[Qgis-user] Fwd: SciPy 2014: Proceedings, and one more chance to submit!
Apologies for cross-posting! SciPy 2014 submission deadline extended! SciPy 2014, the thirteenth annual Scientific Computing with Python conference, will be held this July 6th-12th in Austin, Texas. SciPy is a community dedicated to the advancement of scientific computing through open source Python software for mathematics, science, and engineering. The annual SciPy Conference allows participants from all types of organizations to showcase their latest projects, l earn from skilled users and developers, and collaborate on code development. Due to popular demand, the deadline for submitting talks, tutorials and posters has been extended to April 1, 2014 - no 'foolin!' We encourage submissions related to general scientific computing with Python, one of the two special themes for this year, or the domain-specific mini-symposia held during the conference. Take a look at a few talks [1] from previous years, our guidelines for this year [2], and we look forward to reviewing submissions! Submit your abstracts today [3]! [1]: http://conference.scipy.org/past.html [2]: https://conference.scipy.org/scipy2014/participate/presentations/ [3]: https://conference.scipy.org/scipy2014/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] manageR doesn't work well
I realise this post was made ages ago, but I have just uploaded a 'fixed' version of manageR that solves this problem. Some testing was done with datasets provided by Paulo van Breugel and Eelke Folmer (offlist). Some changes to sp from a while back seem to have been the culprit, but I think I've sorted it out now... Problems with manageR (rpy2) on Windows persist, but if anyone has any fixes, workarounds, or useful information about getting manageR and/or rpy2 working nicely, please don't hesitate to post something here: http://www.carsonfarmer.com/2012/10/manager-and-rpy2-installation-problems/ Cheers, Carson On Sat, Aug 11, 2012 at 9:34 PM, Eelke Folmer e.o.fol...@gmail.com wrote: Hi, I realize this is an old thread. I am getting some files to load nicely into manageR but not others (which I can load directly using readOGR). Same error as reported below. I find manageR extremely useful when it works and it would be nice if it would always work. OS linux mint R 2.15.1 QGIS 1.8 Are there fixes/workarounds? Thanks, Eelke I have tested manageR on Ubuntu Gnome with QGIS 1.6 and R 2.11.1 and now the same shapefile that I was testing can be loaded. Now, I can perform some analysis on it. Is it because I was on Windows 7 that manageR was not working? I still have an issue with manageR on Ubuntu. I cant load the shapefile with the option Import layer from canvas, and receive this error message: Error in `[.data.frame`(data, match.ID[1]) : undefined columns selected When I load the data with the option Import layer attribute it seems to work. Someone have an idea why the first option is not working? Anybody has successfully used manageR in a Windows 7 environment? Thank you for your help, Maxime -- Carson J. Q. Farmer (PhD) Centre for GeoInformatics School of Geography and Geosciences University of St Andrews [w] www.carsonfarmer.com [t] @CarsonFarmer https://twitter.com/CarsonFarmer [e] carson.far...@gmail.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Using CRS to convert from Lat Long to Irish National Grid
Hi Kurt, Unfortunately, I think you may have misinterpreted what 'on the fly projection' and 'set layer CRS' are for. Your layer's CRS should be set to whatever the coordinates are actually measured in, and if your layers are indeed in lat/long (probably WGS84), then this should stay that way. If you change the project CRS to Irish National Grid (are you sure you want IRENET95/Irish Transverse Mercator? When I work with Irish data I usually use TM75 /Irish Grid [EPSG code: 29903]), then turn on 'on the fly projection', things should just line up (assuming you have the layer CRSs defined correctly). If you're concerned about it, you can also right click on a layer and select save as... to export to a new projection (but again, this assumes you have the initial CRS correctly defined. Do the layers that you are using have .prj files associated with them, if yes, then QGIS *should* automatically pick up the correct CRS, so no need to 'set layer CRS' at all. HTH, Carson On Tue, Mar 27, 2012 at 7:14 PM, Kurt Springs ferret_b...@mac.com wrote: Hi Folks, I'm in a bit of a pickle. I am preparing some maps for a grant proposal and wanted to add some good vector maps for lakes and oceans. The problem is these vector maps are in latitude/longitude and I need to convert them to Irish National Grid. I tried using v.proj in GRASS but ran into problmes (and that is a different list group anyway). After searching the internet I discovered CRS. I made sure properties was set to IRENET95/Irish Transverse Mercator and checked Enable 'on the fly' CRS transformation. Then I right clicked the vector layer and selected Set Layer CRS and set it, again, for IRENET95/Irish Transverse Mercator. If I accept what is there already as right, all the lakes wound up in South America. It looks like the lat/long numbers didn't convert over. Is there a way to manually move them into position and make it away that this is it's right and proper position under IRENET95/Irish Transverse Mercator? Thanks for any help. Kurt D. Springs ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Dr. Carson J. Q. Farmer Centre for GeoInformatics (CGI) School of Geography and Geosciences Irvine Building, University of St Andrews St Andrews, Fife, KY16 9AL Scotland, UK ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: Import and open DBF tables in QGIS
Timmie, But how do I convert data in the DBF into a point layer based on lat/lon columns? That will more than likely require you to convert your dbf to a csv file and import it that way using the delimited text plugin... Carson -- Dr. Carson J. Q. Farmer National Centre for Geocomputation (NCG) National University of Ireland, Maynooth (NUIM) Maynooth, Co. Kildare, Ireland Centre for GeoInformatics (CGI) School of Geography and Geosciences University of St Andrews St Andrews, Scotland, UK ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Voronoi polygon errors
Hi Morten, Using the fTools plugin and using transparency in the symbology shows this: http://osgeo-org.1803224.n2.nabble.com/file/n6995908/fTools_Voronoi.png Doing the same using MMQgis Voronoi show this: http://osgeo-org.1803224.n2.nabble.com/file/n6995908/Voronoi.png fTools add some directly wrong polygons while MMQgis just doubles up some of the polygons Yes, I have found similar problems recently, unfortunately, I haven't had the time to fix them yet. The module that we use to calculate the tessellation is not ideal, and as soon as it makes its way into GEOS, I'd like to use the JTS voronoi polygons solution in QGIS. Please file a ticket in the bug tracker for now, and I'll see if I can work out a workaround. In the mean time, if someone else can get to this sooner, feel free to submit a patch as well! Cheers, Carson -- Carson J. Q. Farmer National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: [Qgis-developer] Sponsoring Development.
Just a quick thought, which is sort of based on the 'groupon' concept that appears to be quite popular at the moment: Say a user/group/company wants a feature/bug fix/whatever; they could nominate this work on the QGIS website, where developers could take a look (perhaps there could also be an automated email to the developers list or a separate list so developers don't have to manually check the page all the time). If a developer decided it was something they might like to work on, they could provide an estimate of cost, including the cost of a proper estimate. This would then be added to the nominated task on the website, and would open up the task for 'bidding', such that any similarly interested groups could offer up as much as they were wiling to offer (perhaps some minimum here could be established). Eventually, if the task was popular enough, the suggested cost would be reached, and at that stage the developer could begin development. If the minimum cost was not reached (perhaps within a certain time limit), then the task would be dropped from the page, and all parties who had initially 'bid' on the task would get their 'bid' back. This whole process is then quite open and transparent, and if users see that a task it close to reaching the desired cost, they might be more inclined to put forward that final bid to get it started! This suggestion still doesn't really address the issue of an initial estimate, but perhaps the initial estimate cost could be shouldered by the original nominating group/user? Just a thought, Carson On Sat, Jun 18, 2011 at 1:53 PM, Ramon Andinach cust...@westnet.com.au wrote: Hello all (developers and non-developers both), Consider this a reaction to have you considered sponsoring development. From a non-developer. Who is still trying to understand how the sponsoring development idea works. It is likely to be a bit long. If you have time, I'd appreciate it if you could read and comment on the long version. If not, this is a short version: 1. For me it would be easier to sponsor development, if I knew what it would cost. 2. Numbers of people are asking for the same features, and numbers of people are saying they're small and can't afford development. I've had a bit of a conversation with Paolo, and now realise that 1. is a chicken and egg situation, and hence awkward, but 2. could be helped by making groups of people who want a feature to sponsor it. So I'm wondering, from those who've had experience; a.) how does one get around, the I'd like a cost estimate but the cost estimate takes time and about half the work problem? b.) has anyone tried putting groups of sponsors together? If so, how did it go? This is the long version. It's mostly what I'd been through with Paolo, but expanded a bit more so my thought process is (hopefully) a bit clearer.[*] I'm attached to one of the many small companies that make use of QGIS. I had thought that it would be good to provide support to QGIS, and I had been thinking in the form of sponsoring development to go after either a few annoying bugs or one or two features that I'd like. While I was thinking about this a few thoughts occurred. 1. For me, and I suspect many others, it would be very useful to be able to go my boss and say, I'd like us to support QGIS develop a useful feature, and it will cost this much. ie, have a good estimate.[!] 2. I'm also noticing; a. a number of features have been requested by a number of different people. A good example of this is multi-column legends in the composer.[@] b. a number of different people have (essentially) said, we're really small and can't afford to sponsor development. I remember reading on one of the QGIS lists that many feature developments were not as expensive as most people thought, I recall €2-300 being mentioned.[#] Somehow I've put these together and bits together and realised that if there were 10 users who wanted a useful feature then suddenly they only need to provide €20-30, which is much more manageable. I've asked Paolo for some thoughts and Paolo pointed out that: 3. There have previously been problems with payment after the development was done, and 4. To get a really good estimate, this often costs about half the total cost of the project so they may unwilling to work through to that point with out some certainty of payment. So from my non-developer stand point this makes 1. and 4. a problem. But for the purposes of going forward, there are two ways of short-circuiting this that might work: 5. Developer takes initiative - to attract development, features wanting sponsorship get worked to a point where an estimate of total cost can be made. (Probably not viable - see [%]) 6. Users take initiative - For the purposes of getting a group of sponsors running, start with an assumed cost, which can be refined later. So, from the User Initiative end (6.) a work-flow
Fwd: [Qgis-user] QgsVectorLayer causes Failed to load error
I'd like to 'second' this observation. No matter what combination of PYTHONPATH, LD_LIBRARY_PATH etc I try, I can't seem to get this working either. I'm forwarding this thread to the developers mailing list as well. Any suggestions? I've never had this problem before, though I'm sure its something I'm doing :-p Carson # Hello, I know this problem has been discussed many times, but the usual remedies are not working. First I run the following commands from the shell: export LD_LIBRARY_PATH=/usr/local/qgis/lib export PYTHONPATH=/usr/local/qgis/share/qgis/python Then I run the following program: from qgis.core import * qgis_prefix = '/usr/local/qgis/' QgsApplication.setPrefixPath('/usr/local/qgis/', True) QgsApplication.initQgis() vlayer=QgsVectorLayer('./tl_2009_09001_faces.shp','tl_2009_09001_faces','ogr') print vlayer.isValid() I get the error message Failed to load. I am using the 1.18 debian packages. It works fine if I run these commands from the python console in qgis. Any suggestions? Thanks. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] RE: manageR doesn't work well
I added R folder in the PATH environment variable but its not helping me with my problem. Actually, manageR can be loader correctly in QGIS but when I try to import a shapefile with the tool Import Layer from Canvas, I cannot perform analysis on this data. It seems manageR cannot load the data which is a simple polygon shapefile with an attribute table of strings and numbers. When I type ls() or objects() in manageR I got the awnser character(0) which means there is no variable loaded. Im on Windows 7 32bit, QGIS 1.7.0 R 2.11.0 and Rpy2 2.0.3-1 Anybody have successfuly performed an analysis on a shapefile with manageR ? Lots of people have, so it is possible ;-) Did you check that both the sp and rgdal packages were installed as I mentioned before? What happens if you type something like the following into the manageR console: library(rgdal) layer - readOGR(C:\path\to\your\layer.shp, layer=shape) also, see ?readOGR to make sure your arguments are correct. Alternatively, you can use the Analysis Spatial operations Load OGR data menu if you like. Carson Date: Mon, 23 May 2011 02:42:11 -0700 From: [hidden email] To: [hidden email] Subject: RE: manageR doesn't work well Hi, a very common source of problems with R and QGIS is not having the bin folder of C:\Program Files\R-x.y in your PATH environment variable. It is necessary and not created by R installation automatically. Vaclav 2011/5/22 Carson Farmer [hidden email]: hmm, Ok, well the only other thing I can think of is that you might need to install the following packages: install.packages(c(sp, rgdal)) Carson On Sun, May 22, 2011 at 3:22 PM, burton449 [hidden email] wrote: Hi Carson, Sorry, my mistake, I use R 2.11.0 because in this version the executable are stored in a subdirectory that rpy2 can read. Newer version of R its not working with rpy2. I will try your trick to change the code in the __init__.py but I dont think it would solve my problem. Actually manageR is loading in QGIS but its not working properly. Thank you Maxime Date: Sun, 22 May 2011 06:11:10 -0700 From: [hidden email] To: [hidden email] Subject: Re: manageR doesn't work well Hi Maxime, Im using manageR 1.0, QGIS 1.7 and 1.6 and R 1.11.0 on Windows 7 Are you sure you're using R 1.11.0? That's a pretty old version! Also, which version of rpy2 are you using? Furthermore, I attach an email from another manageR using with a possible solution for Windows 7 issues: I had a problem getting ManageR to run on QGIS 1.60 (OSGeoW4 install) with R-2.12.1 (32 bit) on Windows 7 64 bit systems. Rpy2 complained about not finding R.dll. Newer versions of R place the executable files in a new subdirectory, i386, below the bin directory on Windows 7 systems. After searching the net for a while, I finally found the following post, which seems to fix the problem: http://www.mail-archive.com/rpy-list@.../msg02779.html Try adding these two lines to rinterface/__init__.py # Load the R dll using the explicit path # First try the bin dir: Rlib = os.path.join(R_HOME, 'bin', 'R.dll') # Try bin/i386 subdirectory seen in R 2.12.0 ## ADDED ## if not os.path.exists(Rlib): ## ADDED ## Rlib = os.path.join(R_HOME, 'bin', 'i386', 'R.dll') ## ADDED ## # Then the lib dir: if not os.path.exists(Rlib): Rlib = os.path.join(R_HOME, 'lib', 'R.dll') # Otherwise fail out! if not os.path.exists(Rlib): raise RuntimeError(Unable to locate R.dll within %s % R_HOME) Hope that helps a bit, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list [hidden email] http://lists.osgeo.org/mailman/listinfo/qgis-user If you reply to this email, your message will be added to the discussion below: http://osgeo-org.1803224.n2.nabble.com/manageR-doesn-t-work-well-tp5543144p6391395.html To unsubscribe from manageR doesn't work well, click here. View this message in context: RE: manageR doesn't work well Sent from the qgis-user mailing list archive at Nabble.com. ___ Qgis-user mailing list [hidden email] http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list [hidden email] http://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list [hidden email] http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: manageR doesn't work well
Hi Maxime, Im using manageR 1.0, QGIS 1.7 and 1.6 and R 1.11.0 on Windows 7 Are you sure you're using R 1.11.0? That's a pretty old version! Also, which version of rpy2 are you using? Furthermore, I attach an email from another manageR using with a possible solution for Windows 7 issues: I had a problem getting ManageR to run on QGIS 1.60 (OSGeoW4 install) with R-2.12.1 (32 bit) on Windows 7 64 bit systems. Rpy2 complained about not finding R.dll. Newer versions of R place the executable files in a new subdirectory, i386, below the bin directory on Windows 7 systems. After searching the net for a while, I finally found the following post, which seems to fix the problem: http://www.mail-archive.com/rpy-list@lists.sourceforge.net/msg02779.html Try adding these two lines to rinterface/__init__.py # Load the R dll using the explicit path # First try the bin dir: Rlib = os.path.join(R_HOME, 'bin', 'R.dll') # Try bin/i386 subdirectory seen in R 2.12.0 ## ADDED ## if not os.path.exists(Rlib): ## ADDED ## Rlib = os.path.join(R_HOME, 'bin', 'i386', 'R.dll') ## ADDED ## # Then the lib dir: if not os.path.exists(Rlib): Rlib = os.path.join(R_HOME, 'lib', 'R.dll') # Otherwise fail out! if not os.path.exists(Rlib): raise RuntimeError(Unable to locate R.dll within %s % R_HOME) Hope that helps a bit, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] RE: manageR doesn't work well
hmm, Ok, well the only other thing I can think of is that you might need to install the following packages: install.packages(c(sp, rgdal)) Carson On Sun, May 22, 2011 at 3:22 PM, burton449 burto...@sympatico.ca wrote: Hi Carson, Sorry, my mistake, I use R 2.11.0 because in this version the executable are stored in a subdirectory that rpy2 can read. Newer version of R its not working with rpy2. I will try your trick to change the code in the __init__.py but I dont think it would solve my problem. Actually manageR is loading in QGIS but its not working properly. Thank you Maxime Date: Sun, 22 May 2011 06:11:10 -0700 From: [hidden email] To: [hidden email] Subject: Re: manageR doesn't work well Hi Maxime, Im using manageR 1.0, QGIS 1.7 and 1.6 and R 1.11.0 on Windows 7 Are you sure you're using R 1.11.0? That's a pretty old version! Also, which version of rpy2 are you using? Furthermore, I attach an email from another manageR using with a possible solution for Windows 7 issues: I had a problem getting ManageR to run on QGIS 1.60 (OSGeoW4 install) with R-2.12.1 (32 bit) on Windows 7 64 bit systems. Rpy2 complained about not finding R.dll. Newer versions of R place the executable files in a new subdirectory, i386, below the bin directory on Windows 7 systems. After searching the net for a while, I finally found the following post, which seems to fix the problem: http://www.mail-archive.com/rpy-list@.../msg02779.html Try adding these two lines to rinterface/__init__.py # Load the R dll using the explicit path # First try the bin dir: Rlib = os.path.join(R_HOME, 'bin', 'R.dll') # Try bin/i386 subdirectory seen in R 2.12.0 ## ADDED ## if not os.path.exists(Rlib): ## ADDED ## Rlib = os.path.join(R_HOME, 'bin', 'i386', 'R.dll') ## ADDED ## # Then the lib dir: if not os.path.exists(Rlib): Rlib = os.path.join(R_HOME, 'lib', 'R.dll') # Otherwise fail out! if not os.path.exists(Rlib): raise RuntimeError(Unable to locate R.dll within %s % R_HOME) Hope that helps a bit, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list [hidden email] http://lists.osgeo.org/mailman/listinfo/qgis-user If you reply to this email, your message will be added to the discussion below: http://osgeo-org.1803224.n2.nabble.com/manageR-doesn-t-work-well-tp5543144p6391395.html To unsubscribe from manageR doesn't work well, click here. View this message in context: RE: manageR doesn't work well Sent from the qgis-user mailing list archive at Nabble.com. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Re: CLip and reprojection on the fly
I think that requiring all layers to be on the same CRS for processing makes sense, we can live with that. Perhaps this fact should be stated in the documentation and even in the menu where the user selects reprojection on the fly (for example, adding only for display of vector layers) and/or in all fTools menus (and/or fTools could actually check that CRS is consistent across layers and warn the user (rather than preventing him/her of actually performing the operation). I think I'll opt for the warning in fTools functions, however, does this not already happen? I'm pretty sure the dialog that pops up after the operation has completed says something like Warning: Non-matching CRSs detected, results might be unexpected or something to that effect (I don't actually have my result computer here to check)? Carson ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] lines to polygons
This tool essentially expects you to have your data in the format produced by polygons to lines. In other words, where each line is it's own polygon boundary, and as far as I can remember, the line should be closed (i.e. starts and ends at the same point). Carson On Fri, Mar 18, 2011 at 1:00 PM, Duarte Carreira dcarre...@edia.pt wrote: Hi. I’m trying to use this function and need some help. What are the requirements for this tool? Does it work for a single closed line? Does it work with several connected lines that make a ring? Does it work with spaghetti lines? Thanks, Duarte ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Very slow performance with large SHP files, with over 200k objects
Porting fTools to C++ is already under way, but it is extremely slow at the moment (due to my PhD!). If there are any C++ devs out there with an interest in speeding these operations up, please don't hesitate to contact me! My other comment, which is frequently given on the R mailing lists, is this: There are rarely any problems that can't be broken down into smaller components; if you have issues with visualizing/working with large vector layers, why not try sub-setting the layers into manageable pieces? Carson On Tue, Mar 8, 2011 at 6:16 PM, Agustin Lobo alobolis...@gmail.com wrote: At least regarding the vector operations (ftools), it seems that the slowness is because of python code. During FOSS4G in Barcelona we raised the question of rewriting all that part in c++ Agus 2011/3/7 Giovanni Manghi giovanni.man...@gmail.com: Agreed, this is a serious problem, and should be dealt with. There is a ticket on this, please have a look to it. it is even worst when you try edit those vectors. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Incorrect Results in Buffer
Hi Frederick, The situation: I have my project SRS set to EPSG:900913 (web mercator). As a layer I have a line-layer also with EPSG:900913 as a projection. The project-wide units are meters. I now want to add a 250m buffer around the lines so i click vector-geoprocessing tools-Buffer(s), select my line-layer, type in 250 for 250 meters, check dissolve buffer results ans set a filename. Then the buffer is created, but unfortunately, when I export the buffer as kml and check the buffer width in Google Earth it is around 150-160 meters, so far off my 250meters. I also checked the distance with the qGIS measurement-tool - same result. By 'same result' here, do you mean it measures 150-160 metres in QGIS as well? The lines are located in London. I have tried to use simple WGS84 and the british nationale grind, but none of them worked. What does this mean? No output was created, or they produced similarly 'wrong' results? This has to do something with differente base-ellipsoids I think, but I did not get to the bottom of the problem. Could anybody please help me with this? Well one possible issue could be due to the fact that fTools (i.e. the vector menu), does not take into account the project CRS _or_ 'on the fly projection'. In fact, it only considers the CRS of the unput layer. This being the case, if the units for your input layer aren't in metres, then neither will your output. There are several reasons for why fTools does this, though it's possible that this will be changed in the future. Does that shed any light on the error? Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] ftools error in the recent update
I was not aware of this problem. Could you please update to the most recent version of fTools via the Python repositories, and then test and confirm that this is still an issue. If it is, could you please forward the error message that you are getting. Regards, Carson On Tue, Mar 1, 2011 at 9:15 AM, Carson Farmer carson.far...@gmail.com wrote: This is likely due to an update I made last night. Apologies for that! I have uploaded a new version which should not have these problems. Please test and confirm that it is fixed. Regards, Carson On Tue, Mar 1, 2011 at 3:26 AM, maning sambale emmanuel.samb...@gmail.com wrote: I get this error: Couldn't load plugin fTools due an error when calling its classFactory() method Traceback (most recent call last): File /Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 138, in startPlugin plugins[packageName] = package.classFactory(iface) File /Users/maning/.qgis/python/plugins/fTools/__init__.py, line 36, in classFactory from fTools import fToolsPlugin File /Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 279, in _import mod = _builtin_import(name, globals, locals, fromlist, level) File /Users/maning/.qgis/python/plugins/fTools/fTools.py, line 37, in import resources_rc File /Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 279, in _import mod = _builtin_import(name, globals, locals, fromlist, level) ImportError: No module named resources_rc Python version: 2.5.1 (r251:54863, Sep 1 2010, 22:03:14) [GCC 4.0.1 (Apple Inc. build 5465)] QGIS version: 1.6.0-Copiapo Copiapo, exported Python path: ['/Applications/Qgis.app/Contents/MacOS/../Resources/python', '/Users/maning/.qgis/python', '/Users/maning/.qgis/python/plugins', '/Applications/Qgis.app/Contents/MacOS/../Resources/python/plugins', '/Library/Frameworks/SQLite3.framework/Versions/3/Python', '/Library/Python/2.5/site-packages/numpy-override', '/Library/Frameworks/GDAL.framework/Versions/1.7/Python/site-packages', '/Library/Python/2.5/site-packages/GDAL-1.5.2-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/setuptools-0.6c8-py2.5.egg', '/Library/Python/2.5/site-packages/python_dateutil-1.4-py2.5.egg', '/Library/Python/2.5/site-packages/PyYAML-3.05-py2.5.egg', '/Library/Python/2.5/site-packages/gantt-0.1-py2.5.egg', '/Library/Python/2.5/site-packages/numpy-1.1.1-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/pycairo-1.6.4-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/Shapely-1.0.6-py2.5.egg', '/Library/Python/2.5/site-packages/pyparsing-1.5.2-py2.5.egg', '/Library/Python/2.5/site-packages/rpy2-2.0.8-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/PIL-1.1.7-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/docutils-0.6-py2.5.egg', '/Library/Python/2.5/site-packages/pyproj-1.8.8-py2.5-macosx-10.5-i386.egg', '/Library/Frameworks/cairo.framework/Versions/1/Python', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python25.zip', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/lib-dynload', '/Library/Python/2.5/site-packages', '/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyObjC', '/Users/maning/.qgis/python/plugins/cadtools/tools', '~/.qgis/python'] -- cheers, maning -- Freedom is still the most radical idea of all -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ -- ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] ftools error in the recent update
This is likely due to an update I made last night. Apologies for that! I have uploaded a new version which should not have these problems. Please test and confirm that it is fixed. Regards, Carson On Tue, Mar 1, 2011 at 3:26 AM, maning sambale emmanuel.samb...@gmail.com wrote: I get this error: Couldn't load plugin fTools due an error when calling its classFactory() method Traceback (most recent call last): File /Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 138, in startPlugin plugins[packageName] = package.classFactory(iface) File /Users/maning/.qgis/python/plugins/fTools/__init__.py, line 36, in classFactory from fTools import fToolsPlugin File /Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 279, in _import mod = _builtin_import(name, globals, locals, fromlist, level) File /Users/maning/.qgis/python/plugins/fTools/fTools.py, line 37, in import resources_rc File /Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 279, in _import mod = _builtin_import(name, globals, locals, fromlist, level) ImportError: No module named resources_rc Python version: 2.5.1 (r251:54863, Sep 1 2010, 22:03:14) [GCC 4.0.1 (Apple Inc. build 5465)] QGIS version: 1.6.0-Copiapo Copiapo, exported Python path: ['/Applications/Qgis.app/Contents/MacOS/../Resources/python', '/Users/maning/.qgis/python', '/Users/maning/.qgis/python/plugins', '/Applications/Qgis.app/Contents/MacOS/../Resources/python/plugins', '/Library/Frameworks/SQLite3.framework/Versions/3/Python', '/Library/Python/2.5/site-packages/numpy-override', '/Library/Frameworks/GDAL.framework/Versions/1.7/Python/site-packages', '/Library/Python/2.5/site-packages/GDAL-1.5.2-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/setuptools-0.6c8-py2.5.egg', '/Library/Python/2.5/site-packages/python_dateutil-1.4-py2.5.egg', '/Library/Python/2.5/site-packages/PyYAML-3.05-py2.5.egg', '/Library/Python/2.5/site-packages/gantt-0.1-py2.5.egg', '/Library/Python/2.5/site-packages/numpy-1.1.1-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/pycairo-1.6.4-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/Shapely-1.0.6-py2.5.egg', '/Library/Python/2.5/site-packages/pyparsing-1.5.2-py2.5.egg', '/Library/Python/2.5/site-packages/rpy2-2.0.8-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/PIL-1.1.7-py2.5-macosx-10.5-i386.egg', '/Library/Python/2.5/site-packages/docutils-0.6-py2.5.egg', '/Library/Python/2.5/site-packages/pyproj-1.8.8-py2.5-macosx-10.5-i386.egg', '/Library/Frameworks/cairo.framework/Versions/1/Python', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python25.zip', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/lib-dynload', '/Library/Python/2.5/site-packages', '/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/PyObjC', '/Users/maning/.qgis/python/plugins/cadtools/tools', '~/.qgis/python'] -- cheers, maning -- Freedom is still the most radical idea of all -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ -- ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] divide poligons
Hi Dario, I have a layer of polygons, these polygons are cut by two parallel lines. Sometimes just one line crosses the polygon, dividing it into two. need to create new polygons, formed by the polygon area that is contained between the lines, and the areas that are outside the inner lines, and the second case to create new polygons formed by the two areas divided by the line. Is there any plugin or geoprocess in quantum gis what running this? I can only do the reverse process, which is the polygon cut the lines that intersect with it, but I can not do otherwise with the lines dividing the polygon. I don't know of any plugin that will do this, but it can certainly be done using the Python scripting interface in QGIS. The attached Python script *should* do what you want for most basic applications. A usage example is given at the top of the script, but basically you just save the script somewhere where the QGIS Python console can find it (best bet is your ~/.qgis/python folder where all your plugins are installed, if you don't know where this is, the Python plugin installer should indicate this on the main dialog). Then simply type (into the QGIS Python console): canvas = qgis.utils.iface.mapCanvas() layer_a = canvas.layer(0) # polygon layer layer_b = canvas.layer(1) # line layer from split_polygons import split_polygons split_polygons(layer_a, layer_b, /home/username/Desktop/output.shp) This assume that your polygon layer in the top layer in the layer list (and is visible), and the line layer in the second from the top (and is also visible). The 3rd argument to split_polygons is the output path for the resultant shapefile, and can be any valid path string, so on Windows it might be something like: C:\workingfolder\output.shp Let me know if you need any further help with the script. It's really just a quick stab at this. I tested it using very basic polygons and lines that I hand digitised for testing purposes. Eventually I'll try to make it into a plugin, but until then it should at least get you going. Regards, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ split_polygons.py Description: Binary data ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] line to polygons
This feature will be added to the latest version of QGIS (I might have already done so :-p). If you can't wait, email me off list, and I'll come up with something available now. Carson On 24 February 2011 14:08, Dario dari...@yahoo.com.br wrote: how to convert lines to polygons? I've seen this tool in other's sig and I missed this in qgis. Thanks Dario ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Select by location - Problem
Hi Freddy, Are your two layers using the same CRS? Even with 'on the fly projection' on, this tool will not find intersections unless they are in the same projection. In fact, all the vector menu tools follow this general 'rule'. Carson 2011/2/14 Frederick Löbig ze...@zeroxweb.de: Hey there, I want to use the select by location function to select buildings wich are within a certain distance from a cable. I started by generating a buffer around the line-parts. Now I want to use the function select by location to select every building wich intersects with that buffer. But somehow, when I hit OK, the prograssbar starts to move to 100%, finishes, but doesn't select anything. I wanted to find out why that is so I created a new project, added some points (shapefile), added a polygon (shapefile) and tried to select the intersecting points, but with no success. Why is that? This is what I did: Select features in points that intersect features in polygon. Modify current selection by creating new selection. I also tried to flip polygon and points. Can anybody help me with this please? Best, Freddy Frederick Löbig Röderichstraße 59 60489 Frankfurt am Main --- E:: frederick.loe...@grunsnid.de P: +49 (0) 69 - 78 99 52 41 M: +49 (0) 174 - 70 89 296 --- Office: euNetworks GmbH Ludwig-Landmann-Straße 405 60486 Frankfurt am Main P: +49 (0) 69 - 90 554 - 532 E: frederick.loe...@eunetworks.com S: floebig This email and any attachments may contain confidential and/or legally privileged information. If you are not the intended recipient, please delete the email without reading it and notify the sender. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Jenks breaks available ?
Jérôme, You shouldn't have to download anything extra, and your OS shouldn't matter either. Are you positive that you are in fact using New Symbology? You may have to enable it by clicking on the New symbology button on your layer's Style tab. Once that has been activated, it should just be a matter of selecting the right mode as Marco has pointed out. Carson On 2 February 2011 22:00, Jérôme - GeoRezo.net jer...@georezo.net wrote: Hi Marco, Yes, It seems like the documentation I have read, but I don't see any mode except equal interval, quantiles and empty. I'm under Windows OS, does it matter ? Thanks, Jérôme -Message d'origine- From: Marco Hugentobler Sent: Wednesday, February 02, 2011 10:45 PM To: qgis-user@lists.osgeo.org Cc: Jérôme - GeoRezo.net Subject: Re: [Qgis-user] Jenks breaks available ? Hi Jérôme In the vector properties dialog, you need to change to new symbology (Style- New symbology). Then classification to 'Graduated'. There is a combo box 'Mode' where you can select Jenks classification (natural breaks). Regards, Marco Am Mittwoch, 2. Februar 2011, um 21.56:23 schrieb Jérôme - GeoRezo.net: Hello, When I read the QGIS documentation, I see the jenks break classification method is available. But I can't see it on the Copiapo software (neither the trunk version). What can I do to get this classification method ? Thanks Jérôme ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Dr. Marco Hugentobler Sourcepole - Linux Open Source Solutions Churerstr. 22, CH-8808 Pfäffikon SZ, Switzerland marco.hugentob...@sourcepole.ch http://www.sourcepole.ch Technical Advisor QGIS Project Steering Committee ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Nearest neighbour analysis
Hi Kurt, I've been playing with some of Qgis's vector analysis tools. Has anyone tried using the Nearest neighbour analysis, under Vector=Analysis Tools? I have tried it and after seeing the black and white wheel for a while, nothing happens. How long should it take, depending on the population size? I've tried populations as small as five and bigger. I just tested this using the 'popp' point layer from the vmap0 QGIS sample data, and it ran in about 1 second (incidentally, the nearest neighbour index turns out to be 0.4 for this dataset). I also tested it with larger and smaller layers and all seemed fine. Which OS and version of QGIS GDAL are you running? Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] using manageR
Hi all, there appears to be an issue with rpy2 and the latest version of R (2.12.0). I'm currently trying to figure out what the issue is. If you have an immediate need to get your R-based plugins working, I would suggest you fire off an email to the rpy2 mailing list here: http://rpy.sourceforge.net/maillist.html Carson On 12 November 2010 12:15, Dr. F. Patrick Graz fg...@unam.na wrote: Hi all, I have tried to get manageR to work on a windows XP box (R2.12 QGIS 1.5/1.6)but don't seem to have any luck. To the best of my knowledge I have all the necessary extensions installed in R (ade4, aspace, sp, spgrass6, rgdal) adehabitat and have rpy2 installed. When I tried using QGIS 1.5 manageR would tell me that it could not find the r212.dll (I didn't write that error msg down...) but at least it tried... With 1.6 extension does not respond at all (i.e. you click on its icon and nothing happens). I have tried uninstalling and re-installing R and qgis but it's still not working. Where would I need to look to find out if my installation is sufficiently complete - and should be working. Is there a compatibility issue between the versions of the software - or software and extensions? Another thought - when I upgraded from R2.10 to R2.12 on an Ubuntu machine I could also not access manageR anymore... Any help would be welcome. Patrick -- Dr. F. Patrick Graz Snr. Researcher, Multidisciplinary Research Centre, University of Namibia ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Overview (inset map ) in map composer
Hi Marco, You can simply add another map to the canvas, and then set the extents and scale to only cover your area of interest. Carson On 27 October 2010 13:59, Marco Tuckner marcotuck...@public-files.dewrote: Dear all, I quite like the new print composer. But I need a hint: How do I achive a small overview map connced to the main view? The aim is to show in the overview map, via a rectangle which area is shonw in detail on the main map inset. Example: http://www.colorado.edu/geography/foote/maps/assign/cityrank/tips_city_rank_files/insertmapelements.gif (taken from: http://www.colorado.edu/geography/foote/maps/assign/cityrank/tips_city_rank.html ) Thanks a lot in advance for any hint, Marco ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Plug-in not working: spqr
spqr requires rpy (rather than rpy2). You should be able to install both rpy and rpy2 on the same system, so it shouldn't be a problem to install rpy and get going with spqr. Carson On 21 October 2010 01:26, Phil Morefield philmorefi...@yahoo.com wrote: I must have tried to install it a thousand times. Every time I get the same message: The plug-in is broken. Python said: Couldn't obtain version from output of 'R --version'. Other plug-ins relying on R work fine. R --version gives me long string that includes the version number. Anyone have a bright idea? ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] polygon direction/orientation
Perhaps you could elaborate a bit more here? How do you define the azimuth of a complex shape? Say I have a rectangle like this [], what is the azimuth? An example might help? Carson On 13 October 2010 17:08, simogeo simon.geor...@gmail.com wrote: Hi, I'd like to know if there is a plugin to calculate a polygon orientation. Basically, if I have a basic rectangle (or even better a complex shape), I want to know his azimuth I ve seen the azimuth and distance plugin ... but i don't really understand how it works and I'm even not sure it does that job. Any idea ? Many thanks, simo -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/polygon-direction-orientation-tp5631577p5631577.html Sent from the qgis-user mailing list archive at Nabble.com. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: polygon direction/orientation
Well I'm still not exactly sure it is you want, but I'm fairly sure there isn't a plugin to do this sort of thing. You could certainly do this from the Python console, or the other option would be to convert your polygons to lines, then use the azimuth tool on those lines? Carson On 13 October 2010 17:29, simogeo simon.geor...@gmail.com wrote: Hi Carson, I call it azimuth but don't give too much importance to the terminology. I just want to know the angle from North And South axis. http://osgeo-org.1803224.n2.nabble.com/file/n5631658/azi.jpg Keep it simple with a rectangle for now (forget complex shape) -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/polygon-direction-orientation-tp5631577p5631658.html Sent from the qgis-user mailing list archive at Nabble.com. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] spatialite (and postgis) queries
Have a look at this: http://www.carsonfarmer.com/?p=713 and the RT Sql Layer plugin Carson On 30 September 2010 13:15, Ricardo Filipe Soares Garcia da ricardo.garcia.si...@gmail.com wrote: Hi list Some questions on building querys with spatialite and postgis: 1 - Is it possible to build a query where two (or more) layers are involved? Something like: SELECT a.* FROM a, b WHERE Contains(b, a) and get a visual result in the main Qgis display? I know I can do such a query using the spatialite manager, but the return value is visualized only as tabular data. 2 - Is it possible to dynamically create new geometries? For example, write a custom query that creates a buffer around a point and store it in a temporary layer? From what I have been investigating it seems that these things are not possible. Am I wrong? This kind of functionality would be really awesome. -- ___ ___ __ Ricardo Garcia Silva ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: OSM plugin similar to Google Layers Plugin
The OpenLayers plugin will do just what you want, and it's really quite good. I use it all the time. Carson On 26 July 2010 18:21, Timmie timmichel...@gmx-topmail.de wrote: Isn't the OpenLayers plugin what you ask for ? Yes, thanks for the hint. I only knew the OpenStreetmap Editor Plugin. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] managerR Python bug
I am aware of this bug, and it will be fixed in the next release of manageR, which is a complete rewrite of the current version with many new features and bug fixes. Thanks for the report! Carson On 27 July 2010 00:00, pavel pavel.hnil...@gmail.com wrote: There is bug after calling managerR Traceback (most recent call last): File /home/pavel/.qgis/python/plugins/manageR/manageR.py, line 2110, in commandOutput self.appendText(unicode(output)) File /home/pavel/.qgis/python/plugins/manageR/manageR.py, line 2057, in appendText cursor = self.textCursor() RuntimeError: underlying C/C++ object has been deleted Verze Pythonu: 2.6.5 (r265:79063, Apr 16 2010, 14:15:55) [GCC 4.4.3] QGIS verze: 1.5.0-Tethys Tethys, exported Python cesta: ['/home/pavel/.qgis/python/plugins/GeoCoding', '/home/pavel/.qgis/python/plugins/elevation', '/usr/share/qgis/python', '/home/pavel/.qgis/python', '/home/pavel/.qgis/python/plugins', '/usr/share/qgis/python/plugins', '/usr/lib/python2.6', '/usr/lib/python2.6/plat-linux2', '/usr/lib/python2.6/lib-tk', '/usr/lib/python2.6/lib-old', '/usr/lib/python2.6/lib-dynload', '/usr/lib/python2.6/dist-packages', '/usr/lib/python2.6/dist-packages/Numeric', '/usr/lib/python2.6/dist-packages/PIL', '/usr/lib/python2.6/dist-packages/gst-0.10', '/usr/lib/pymodules/python2.6', '/usr/lib/python2.6/dist-packages/gtk-2.0', '/usr/lib/pymodules/python2.6/gtk-2.0', '/usr/lib/python2.6/dist-packages/wx-2.6-gtk2-unicode', '/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode', '/usr/local/lib/python2.6/dist-packages', u'/home/pavel/.qgis//python/plugins', '/usr/share/qgis/python/plugins/fTools/tools', '/home/pavel/.qgis/python/plugins/cadtools/tools', '~/.qgis/python', '/usr/share/qgis/python', '/usr/share/qgis/python/', '/usr/share/qgis/python/', '/usr/share/qgis/python', '.', '/home/pavel/.qgis/python/plugins/ziplayers/logic', '/home/pavel/.qgis/python/plugins/ziplayers/gui', '.', '/home/pavel/GISDataBase/cr-grass-jtsk-0.3.2'] -- pavel pavel.hnil...@gmail.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] (no subject)
Except that will remove all plugins! What you probably really want is: rm -rf /Users/hermanpalaquium/.qgis/python/plugins/contour Which will only remove the contour plugin, which is failing to load because matplotlib isn't installed... I think you can also do this from the Python plugin installer by selecting to remove the plugin? Carson Traceback (most recent call last): File /Applications/Qgis.app/Contents/MacOS/../Resources/python/qgis/utils.py, line 119, in loadPlugin __import__(packageName) File /Users/hermanpalaquium/.qgis//python/plugins/contour/__init__.py, line 28, in from contour import Contour File /Users/hermanpalaquium/.qgis//python/plugins/contour/contour.py, line 38, in import matplotlib.pyplot as plt ImportError: No module named matplotlib.pyplot -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How to make point density layer?
Vector Research Tools Random points should do what you want... Carson On 9 July 2010 06:04, Wirote Laongmanee wirot...@gmail.com wrote: Dear QGIS-User, Could someone direct me to make the point density layer from polygon feature with attribute data? I am working on biodiversity of mollusca in mangrove area, and would like to present the density of mollusca species in area with dot density present. I try to deal with grass v.kernel but not succes with the module need point layer so I have not that data. hope someone can help. thank you in advanced. -- Wirote Laongmanee http://wmap.wordpress.com http://parn-site.blogspot.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] mapserver export plugin bug
Potential small bug found during a training course: If there are two versions of the same PostGIS layer open and symbolised, one with a WHERE clause, and the other without (i.e. one should have a filter and one shouldn't), when exporting to a map file (layers only), both layers appear to have the filter applied. Can anyone else confirm this? We're using QGIS 1.4 with latest mapserver export plugin, using local postgis server Let me know if you need any further info... Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] icons for the vector/ftools toolbox?
They are in the ftools folder Just curious, what do you need them for, and would you like the originals? Carson On 16 June 2010 10:45, maning sambale emmanuel.samb...@gmail.com wrote: They are not available in the qgis icons folder in the svn. Will be used for training tutorials. -- cheers, maning -- Freedom is still the most radical idea of all -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ -- ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] icons for the vector/ftools toolbox?
Well I think I've probably released the icons under GPL... but I don't really care, do what you want with them :-) They are all based (loosely) on previous qgis icons (and the gis theme icons as well). Carson On 16 June 2010 18:53, Goyo goyod...@gmail.com wrote: Hello, El mié, 16-06-2010 a las 11:03 +0100, Carson Farmer escribió: They are in the ftools folder Just curious, what do you need them for, and would you like the originals? This reminds me that I've thinking about a modified version of the Extract nodes icon for the Points2One plugin. Is this allowed? If so what are the requirements (credit, copyright notice, license...)? regards Goyo -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] conditional dissolve
What about Vector Geoprocessing tools Dissolve With this tool, you are able to process 'only selected features', which could be done ahead of time for the countries you wish to dissolve further. This is a Python tool, so for extremely large datasets it might be a bit slow... Carson On Mon, May 24, 2010 at 2:30 PM, A. Marcia BARBOSA anamarciabarb...@gmail.com wrote: Hi, I'm using the shapefile of the GADM database of Global Administrative Areas (http://www.gadm.org), but the subdivisions of some countries (such as Spain, Slovenia and others) are too small. In order to get divisions that are more evenly sized among all countries, I need to dissolve sub-regions to regions, but only within some of the countries. Is there a way to use a conditional dissolve on only some selected countries? Cheers Márcia ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] conditional dissolve
Good point Pedro, my suggestion wouldn't output all the required features, only those that were initially selected... You can of course also edit the table in QGIS if you are using a relatively recent version, which supports adding fields and a field calculator. Carson On Mon, May 24, 2010 at 3:51 PM, Pedro Tarroso ptarr...@mail.icav.up.pt wrote: Hi I would create a new field in the attribute table to be filled with the condition. I believe the simplest way is to use a dbf editor (like openoffice spreadsheet or old versions of excel) to create the condition field (same code for shapes to be dissolved). Then I would use the Dissolve tool from fTools plugin on that field. Hope that it helps. Boa sorte, Pedro -Original Message- From: qgis-user-boun...@lists.osgeo.org on behalf of A. Marcia BARBOSA Sent: Mon 5/24/2010 2:30 PM To: qgis-user@lists.osgeo.org; grassuser Subject: [Qgis-user] conditional dissolve Hi, I'm using the shapefile of the GADM database of Global Administrative Areas (http://www.gadm.org), but the subdivisions of some countries (such as Spain, Slovenia and others) are too small. In order to get divisions that are more evenly sized among all countries, I need to dissolve sub-regions to regions, but only within some of the countries. Is there a way to use a conditional dissolve on only some selected countries? Cheers Márcia ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Q-gis plugin missing ?
Vector Research tools Vector grid Carson On Tue, May 18, 2010 at 10:46 AM, Didier Genier didier.gen...@gmail.com wrote: Hello everybody, I use Q-Gis 1.4 under Ubuntu 10.4. Today I need to create a graticule and my memory tell me that I can find this in Plugins... But... no more graticule creator. Somebody know where I can find this tool instead create handly over 2000 polygones ? Thanks ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Displaying all bands from a multi-band Gtiff
you *could* just load the layer 6 times and symbolize each band separately? Carson 2010/5/13 António Rocha antonio.ro...@deimos.com.pt: Greetings I have imported a Geotiff image with 6 bands. Is there a Way of having all 6 bands listed in Layer manager instead of having just the file? Thanks Best regards, Antonio __ Information from ESET NOD32 Antivirus, version of virus signature database 5111 (20100513) __ The message was checked by ESET NOD32 Antivirus. http://www.eset.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] custom crs and output prj
Just a quick question that a colleague of mine asked me last night... Are there any known issues with standard parallels when creating the prj file of an output layer from qgis using a custom CRS? Basically, my colleague imported a layer of points into QGis from their postgis database, and then created a custom CRS (Settings Custom CRS) with the following proj4 string: +proj=lcc +lat_1=50 +lat_2=50 +lat_0=50 +lon_0=-107 +x_0=5632642.22547 +y_0=4612545.65137 +a=6371200 +b=6371200 +units=m +no_defs and assigned it to the imported layer within the layer properties. When they then right-clicked on the layer and selected 'Save as shapefile..' and selected their custom CRS from the dialog that pops up, the output prj file was this: PROJCS[Lambert_Conformal_Conic,GEOGCS[unnamed ellipse,DATUM[D_unknown,SPHEROID[Unknown,6371200,0]],PRIMEM[Greenwich,0],UNIT[Degree,0.017453292519943295]],PROJECTION[Lambert_Conformal_Conic],PARAMETER[latitude_of_origin,50],PARAMETER[central_meridian,-107],PARAMETER[scale_factor,1],PARAMETER[false_easting,5632642.22547],PARAMETER[false_northing,4612545.65137],UNIT[Meter,1]] Obviously the first second standard parallel have not been properly defined within the output .prj file. Is this a known issue, or perhaps something that we've both missed? Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] ESRIs ArcGIS lyr-files
Is there any tool to convert ESRIs lyr-files readable in QGIS? Or do ArcGIS have any other format-system that you can use in QGIS? For instance shp-files can get very stranges coulors or symbols if you open them in QGIS. That's simply because shapefiles don't store symbology themselves. If you want your layers to look like they do in ArcGIS, you have to adjust the symbology of your layers (you can also create a style for for your layers so that they always look the same when you load them). This stuff is all available in the QGIS manual here: http://qgis.org/en/documentation/manuals.html Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] How do I draw a line?
Hi Brett, How do I draw lines or add symbols? Can this then be saved off as a vector layer. There is some great documentation here in the QGIS manual for this sort of thing: http://qgis.org/en/documentation/manuals.html For drawing lines (i.e., editing), see the vector editing chapter, and for adding symbols, see working with vector data. You can also save the symbology that you define to be used by other vector layers. For future reference, this is all in the manual, so it's best to consult there before posting questions here. Hope that helps, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] proj file and QGIS
it's possible you prj file isn't getting read properly? what software did you use to create the prj file? you can check the properties of the layer to see if your prj info is correctly specified, and if not, change it manually there... you could also then use the define projection tool from the vector tools to properly specify your prj... Carson On Tue, Apr 13, 2010 at 3:42 PM, Yves Jacolin yjaco...@free.fr wrote: Le mardi 13 avril 2010 16:38:39, Micha Silver a écrit : I'm not sure I understand. What did you expect to happen? With OTF enabled, when you open a vector which is projected in some different CRS, the it should appear reprojected into the project CRS. Hi Micha, When I open a file in projection XXX in a QGIS project with a projection YY + OTF enabled I would like that QGIS read the prj file of my shapefile and reprojected it correctly. My tests showed that the prj file is not read/used by QGIS. Am I wrong ? Is it a known limitation depending the prj file? Regards, Y. -- Yves Jacolin http://yjacolin.gloobe.org ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: [Qgis-developer] Simplify the download pages
+1 Just some thoughts, I think the best way to do things is to make it really easy for *new* people to find the version they need immediately, and those who are already using qgis, can click a link or two to get more specific or more unstable versions. The table is extremely difficult to navigate (I've just recently be told this by several of my colleagues), and links to new pages would likely be easier to use. In my opinion, current version should be right on the download page with links to windows, linux, and mac right there. Then the LTS version should be a separate page, with windows, linux, and mac. It would be relatively easy to also have a 'quick' link which simply downloads the 'Current Version' for whichever operating system the user is using to access the page... Carson On Mon, Apr 12, 2010 at 11:23 AM, Otto Dassau otto.das...@gmx.de wrote: Hi, maybe Werner can have a look and try to improve the website. Do you have any suggestions, what we should concentrate on to make it easier to understand, because we already tried to some time ago (probably not very successful :() ? Regards, Otto Am Mon, 12 Apr 2010 09:07:37 +0200 schrieb Paolo Cavallini cavall...@faunalia.it: On Sun, 11 Apr 2010 16:09:38 -0700, Alex Mandel tech_...@wildintellect.com wrote: Based on some feedback I've gotten from some users the download pages are still too complicated and have too many choices. It's not clear to anyone but advanced and involved users what the right thing to get is. +1 for me. Thanks Alex for pointing this out. All the best. ___ Qgis-developer mailing list qgis-develo...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: [Qgis-developer] Simplify the download pages
+1 from me for Martin's suggestions... very logical and neat. The faster people can find what they need, the faster they can start playing with QGIS, the faster they tell their friends about it! Carson On Mon, Apr 12, 2010 at 10:03 PM, Martin Dobias wonder...@gmail.com wrote: On Mon, Apr 12, 2010 at 1:09 AM, Alex Mandel tech_...@wildintellect.com wrote: Based on some feedback I've gotten from some users the download pages are still too complicated and have too many choices. It's not clear to anyone but advanced and involved users what the right thing to get is. I also get feedback from people that the pages are confusing. I post my suggestions that might improve the usability (not limited to downloads): 1. Main page The text content is too dull to read it. People are in a hurry and usually want to know a) what is qgis, b) how does it look like c) how to get it. Therefore I suggest: - a short statement about QGIS in larger font + link: learn more (leading to about QGIS page) - big download button on the right side - small screenshot below the download button + link: more screenshots - below this there could be a news section (hackfests, releases, ...) 2. About page I would suggest to merge it with features page and make the screenshot smaller (again with link to more screenshots) because otherwise it doesn't bring any news besides the short history. 3. Download page For a good orientation, I would suggest to have these 4 options (aligned in a 2x2 table, large font): - Current version - Long term support version - Plugins - Sample data Each option would be a link to a separate page and could have a small annotation text below the link. Finally at the end of the page there could be a list of pages for older releases. 4. Download page for any version First a short introduction what the version is about (current release / LTS / older release). No tables, just a section (ideally with a platform icon for easier orientation): - WINDOWS - standalone - with/without grass - osgeo4w - instruction - MAC - instructions - LINUX - instructions for various distributions - SOURCE I believe this would make the first impression a bit better... Regards Martin ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] translating manual to portuguese
Hi Carlos, Have a look here for the list of people working on the various translations of the manual: http://www.qgis.org/wiki/Manual_Translation Also, currently the only 'end-user' version of the manual is the PDF version, however, there is currently work under way to provide an html version as well. In terms of working on the manual translations, information regarding this is available from here: http://www.qgis.org/wiki/Manual_Translation#Translating_the_english_documentation. However, you're probably better off talking to the lead translator for Portuguese first. Regards, Carson I'm translating the manual QGIS 1.4 for Portuguese and would like to know if there's somebody else in that effort. Currently I'm in Chapter 5 Working with vector data. Taking advantage, there is a manual QGIS in another format than. Pdf? -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] CRS for a start
Hello All, MN I mean in QGIS I can open now a holiday photo, go to layer properties MN and get an impresion from it's metadata, that it is already MN georeferenced: MN Layer Spatial Reference System: MN +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs MN which is of course not true. But we have to think about novice GIS MN users who might either go dizzy or get bad habits. I agree, the layer properties should not use this as default if prj is missing or should clearly indicate somehow that this is a guessed CRS, not necessarily a real one. I agree as well. In case of no prj or other CRS information and no default CRS defined, it would likely be best if the CRS was set to Unknown (Assumed Geographic) or something like this. It wouldn't be too hard to add this to the current CRS db as an additional available CRS, and when users have a quick look at a layer's CRS, they will instantly see that they have to properly define the CRS if they want to use the layer properly. Just my two cents! Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: Join Attributes - no Shapefile createt (QGIS 1.4)
Excellent! I've changed how Join Attributes works a bit (in trunk), so hopefully problems like this will be less frequent in the future. If you have a chance, I'd appreciate a few tests to make sure that what was working before is *still* working :-) Cheers, Carson On Wed, Mar 10, 2010 at 9:04 PM, Claas Leiner claas.lei...@eschenlaub.de wrote: Thanks for answers, when I openend the termine.dbf with OpenOffice.org, delete the dbf-infos in the column-heads, save the file as *.odt and then save the file as *.dbf (utf8), I can join the termine.dbf. The encoding was the problem, I think. Claas - Dr.-Ing. Claas Leiner Praxis für Landschaft, Vegetation und freie Geoinformationssysteme Wilhelmshöher Allee 304 E 34131 Kassel Tel. 0561/6026527 claas.lei...@eschenlaub.de http://www.eschenlaub.de/landveg Bernd Vogelgesang schrieb: Tested with attached shapefile and dbf file, however, I suspect it has something to do with the encoding of your shapefile (how was it created?), because while this file does not work, other shapefiles (using for example UTF-8) work fine, including other shapefiles joined with your dbf file. Can you provide any further details? Carson Hi Claas and the others, this shapefile was created by me (nice surprise to find it as an issue here ;) ) I digitized it from a WMS-Layer with QGIS 1.4 OSGEO4W-Installation on XP in UTF-8 with the first 3 table columns. The other data columns were added in OpenOffice Calc and several corrections of the dbf were made in Calc as well. Can this be the reason? Did do this more often and haven't had problems before. Is there sth particular stored within the shape file itself about the database structure that is now leading to the malfunction? (No idea about the inner anatomy of shapes) If this is not the case, could it be then some kind of data corruption caused by compressing for sending by email? (just a wild guess) Bernd ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] some impressions from my students
Hi Geofrey, +1 from me on this one... though I think there have been reasons given in the past as to why this is not the case? Carson On Thu, Mar 11, 2010 at 8:13 PM, Geofrey Sanders geof...@weathercall.net wrote: This is nice, but a little annoying if you want to change the behavior more than often. Maybe this could be a drop-down list in the results dialog? So one could change the way it works more interactively. Shouldn't the list of found features be sorted in layer order when Identify Features is in 'top-down' mode? Geofrey Sanders WeatherCall Customer Care geof...@weathercall.net voicemail: 1 (800) 260-6695 On Wed, Mar 10, 2010 at 11:11, Carlos Grohmann carlos.grohm...@gmail.com wrote: Andreas (and all), thanks for your reply, I'll pass that to my students. I've using GRASS for a few years, for my research, but now that I started teaching, QGIS is the way to go. The students are loving it. (teach, it's so much easier than ArcGIS!). As for the identify features issue: Identify features: is there a way to identify one feature that's partially visible, but the layer is not selected, so I can find out to which layer it belongs? This is already possible. You need to change the behavior: Options -- MapTools -- Identify Mode -- set to top down or top down, stop at first - depending if you want to get all hits or want to stop at the first hit. You need at least QGIS 1.4 or higher. This is nice, but a little annoying if you want to change the behavior more than often. Maybe this could be a drop-down list in the results dialog? So one could change the way it works more interactively. I'll keep you guys posted about the experiences of my students. best Carlos -- Prof. Carlos Henrique Grohmann - Geologist D.Sc. Institute of Geosciences - Univ. of São Paulo, Brazil http://www.igc.usp.br/pessoais/guano Linux User #89721 Can’t stop the signal. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Join Attributes - no Shapefile createt (QGIS 1.4)
Hello Claas, Whenn I want to join a DBF-File to a Shapefile, there was no new Shapefile createt. Look at the Example! In QGIS 1.3 it runs with the same files! The Example: I want th join the table termine.dbf to the Shapefile LKE_MUE. Target Vektorlayer: LKR_MUE Target Join Field: GEM_ID Join Data Join DBF File: termine.dbf join field: GEM_ID OutputShapefile: test.shp But there was no Shapefile createt! The same at QGIS 1.3: Shapefile was createt! please test it with the example-Files in attachment! Tested with attached shapefile and dbf file, however, I suspect it has something to do with the encoding of your shapefile (how was it created?), because while this file does not work, other shapefiles (using for example UTF-8) work fine, including other shapefiles joined with your dbf file. Can you provide any further details? Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: [Qgis-developer] announcing DPSimplify
Hello list, I'm a bit late coming into this discussion, by I thought I might be a good place to make a few comments: New plugins that add new functionality are always very welcome, however I would also like to encourage plugin developers to have a look at (particularly core plugins) existing plugins, and if they find something they would like to improve/replace, to do so! I don't have a lot of time to update fTools, but improvements are always welcome, and if they are added/applied to fTools directly, then the whole QGIS community benefits from the improvements/changes without having to install another plugin (and without duplication in the eyes of the user). And to make myself clear: I do not want to discourage Alexander to develop the plugin!! Because if I'm correct, the current vector-menu stuff is actually cpp ported from the former python plugin as well. Just to clarify, most of the fTools functions have still not been ported to cpp, and in fact anything running from fTools at the moment is still using the original Python implementation. So again, I would encourage developers of fTools functionality to try to include them with fTools so that they can be installed by users by default. Patches are always welcome, and credit will always be given where credit is due! Regards, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Re: [Qgis-developer] announcing DPSimplify
We'll be happy to move the plugin to fTools when we're done with it which will greatly improve its functionality. In general, we see most of our development in Vector area (Statist, JoinLines, DPSimplify to name the few) as potentially included in fTools (Vector) or enhancing present tools. Great! Just what I was hoping for :-) Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Problems with scripts and multiple lines in editR and manageR
Hi Henrik, When I send multiple lines (using the console-button or ctrl-enter) from editR to manageR I get into problems Renshapefull - read.shp(REN236_cut01.shp) Renshape - convert.to.simple(Renshapefull) gives me the following error message Error: unexpected symbol in Renshapefull - read.shp(REN236_cut01.shp) Renshape - convert.to.simple(Renshapefull)Renshape My set is as follows: LinuxMint 7 (Ubuntu 9.04) R 2.10.1-2jaunty0 QGIS 1.4.0 Enceladus rpy2 2.0.8-1 fTools 0.5.10 manageR 0.8 I think you've found a bug here, so unfortunately at the moment there is no 'workaround'. I've started updating manageR again these past few days, so I'll add this to my TODO list :-) Apologies for the inconvenience, and hopefully I'll get this fixed soon! Regards, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Distorted Maps
Ahmed, Thanks a lot. The suggestions worked flawlessly; I'm glad things worked for you however, on some occasions the cartogram plugin gave the following error: ...path .../doCartogram.py, line 246, in getInfo dSizeError = max(dPolygonArea, dDesired) / min(dPolygonArea, dDesired) #calculate size error... ZeroDivisionError: float division Yes, I haven't had a chance to fix this yet... it's really a quick fix, I'll try to find some time this week to have a quick look at it :-) Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Distorted Maps
Hi dassouki, Can the following map types be done with QGIS or any other software: http://www.worldmapper.org/countrycartograms/cartograms/world.jpg : Distorted map based on field values The above is actually an area-cartogram, and yes using the cartogram creator plugin (should be working, if not, let me know). http://kelsocartography.com/blog/wp-content/uploads/2008/03/carbonatlas.pdf : Cartogram Possibly using the diagram overlay (and some post-processing in inkscape or other vector graphics package)? http://www.girardin.org/fabien/blog/wp-content/_images_maps_peopleonthemove_groot.jpg : Separated polygons No, but have a look at R for this type of thing. It would probably be relatively simple, you should just have to figure out how to scale the individual features (lot's of cartogram algorithms out there for this type of application). Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] build virtual raster
Actually, the error is referring to this: AttributeError: type object 'QString' has no attribute 'tr' Which has nothing to do with GDAL. Having said that, it's possible that you also have the below mentioned problem. The specific error above is likely due to a bug though... Carson On Fri, Jan 15, 2010 at 4:12 PM, Giovanni Manghi giovanni.man...@gmail.com wrote: Hi, works fine here (version 0.0.31) and xp. Looking the error message it seems you miss the gdal utilities or you miss to add the path to the utilities bin directory in the path environment variable of your os. cheers -- Giovanni -- On Fri, 2010-01-15 at 16:50 +0100, marcozani...@geosweb.it wrote: hi, i want to report an error in tool gdal using build virtual raster, when i try to use this tool appears the error: Traceback (most recent call last): File C:\Documents and Settings\marco\.qgis\python\plugins\GdalTools\tools\dialogBase.py , line 85, in processError msg = QString.tr(The process failed to start. Either the invoked program is missing, or you may have insufficient permissions to invoke the program.) AttributeError: type object 'QString' has no attribute 'tr' The S.O. is winxp. marco zanieri ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation National University of Ireland, Maynooth, http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] manipulating shapefiles
Hi sunny, There is no define projection tool in the tools menu. Which version of QGIS r u using? I am using MIMAS ver 1.3.0 The define current projection tool should be under the data management tool in the tools (or vector) menu. Regarding the second method if I right click and click save as shapefile it only asks the place to save and not CRS. It will, that's the next step... Carson -- Carson J. Q. Farmer National Centre for Geocomputation National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. http://www.carsonfarmer.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] spatialite and ftools
Hi Lionel, Hi all, Can't apply some vectors operations via the ftools toolbox (intersect, convex hull, ...) on layers imported from a spatialite db (the test-2.3.sqlite available at http://www.gaia-gis.it/spatialite/resources.html). Is it normal? Shouldn't be ;-) Could you please supply an error message or description of exactly what is going wrong? Thanks, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: What is is a qgis problem? (it was Re: [Qgis-user] Scattergram with compiled qwt5.2.0)
page in which I will propose a set of critical tasks to be accomplished by a GIS software, along with an score of operationality and comments for the specific case of QGIS on the different OS for which binary versions exist. Hopefully other users will add their opinions. In an equivalent way, I'll try to set up another page for the plugins, so that users can have a fast check on the degree of operationality of a giving plugin prior to actually installing it. Great, this is the type of thing that helps clarify what needs to be done. I also think it's important to acknowledge that plugins are indeed a separate thing, and many *are* simply proofs of concepts, *not* ready for production use. It's up to users to tell the plugin authors they are interested, and to support further development! I think that QGIS is not far from such an operational point and that making an effort on reaching it rather than on developing newer tools for a while would make a lot of sense... for users. Obviously, developers will do what they will be willing to do. All what users can do is telling other users what the situation is. Agreed! Carson -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Is there anyway to link a picture with a vercor element?
Yup! Right-click layer properties actions will do this... Check the user-manual for exact implementation etc... Carson 2009/11/7 wangxuan lz...@msn.com: Is there anyway to link a picture with a vercor element? In arcview there is a hotlink tool for this purpose as i know. Thanking you in advance, With Warm Regards 聊天+搜索+邮箱 想要轻松出游,手机MSN帮你搞定! 立刻下载! 搜索本应是快乐的,不是么? 快乐搜索,有问必应!微软隆重推出! 立即试用! ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] SDA4PP
Yup, it looks like you need to install these 4 packages (mgcv rgdal maptools spatstat). Use install.packages() from the R console (a normal R console will give you more feedback, or since you are working on windows, you can use the Rgui to do this), and specify these packages. Carson Hi, now I see SDA4PP in Qgis (I'm using Qgis1.3 on winxp), but the problem is that when i try to work appears the follow messages: R library; mgcv rgdal maptools spatstat could not be loaded. Please install ' mgcv rgdal maptools spatstat ' package(s). R library; rgdal rggobi could not be loaded. Please install ' rgdal rggobi ' package(s). R library; rgdal iplots could not be loaded. Please install ' rgdal iplots ' package(s). Maybe i have to install some libraries for R??? thanks ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] SDA4PP
you also need to install the win32api python libraries: http://rpy.sourceforge.net/rpy_download.html See the above link, especially the section about notes for windows users. Carson On Fri, Oct 30, 2009 at 10:51 AM, marcozani...@geosweb.it marcozani...@geosweb.it wrote: After configured the new user variable: Name: R_HOME Value: C:\Programmi\R\R-2.9.1 when I go to install the plugin I have a new problem, Qgis want Python: win32api I don't know what I have to do... ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] manageR plugin
Hmmm, Rpy2 should support all versions of R barring any major changes. I'm running R 2.10.0 on my machine with manageR working nicely... @marco zanieri: This is a common problem with R for windows... all you should have to do is add your R.exe (RHOME, or R install path) to your path environment variable. See here for more info/help: http://cran.r-project.org/bin/windows/base/rw-FAQ.html#Does-R-use-the-Registry_003f http://vlaurie.com/computers2/Articles/environment.htm Cheers, Carson On Thu, Oct 29, 2009 at 9:27 AM, Anne Ghisla a.ghi...@gmail.com wrote: On Thu, 2009-10-29 at 08:54 +0100, marcozani...@geosweb.it wrote: Hi, I'm trying to use manageR plugin on Qgis 1.3Mimas for winxp, before i installed R 2.10, after installed the plugin manageR, but it doesn't work, the python errore message is the follow: Traceback (most recent call last): [..] import rpy2.rinterface as rinterface File C:/Programmi/Quantum GIS Mimas/./python\rpy2\rinterface\__init__.py, line 22, in This might be because R.exe is nowhere in your Path.) RuntimeError: Unable to determine R version from the registery.Calling the command 'R RHOME' does not return anything. This might be because R.exe is nowhere in your Path. Versione Python: 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)] Sentiero Python:['C:/Programmi/Quantum GIS Mimas/./python', [..] Anybody knows the solution?? I'm afraid that R 2.10 is not yet supported by rpy2 [1], better downgrading to 2.9. Enjoy manageR! Anne thanks all marco zanieri __ [1] http://rpy.sourceforge.net/rpy2/doc/html/overview.html#installation ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Cartogram creator not working
Hi guys, No problem - could the plugin check if the layer is a polygon layer? Yes, certainly, does it not already do this? I thought I had put this check in, will fix later today if I have time... You should consider that sometimes 0 are present? (ZeroDivisionError: float division) I agree - that should be checked and caught - I had the same error. But I am also just a user and not the author. Yes, this should probably be caught, though certainly not allowed... will also add this check later... At this stage, the plugin is really just a fun little tool for making cartograms... In fact, it's not even really the best cartogram algorithm out there... Carson -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] creating a point, free basemaps and going past 180 degrees
Hi Mike, Three questions from someone newish to qgis: 1. how do you put point data on a map in qgis. This seems to be the simplest thing to do in most other gis systems but the most difficult in qgis or have I completely missed something. E.g. I have a file of lat long coordinates or ordnance survey coordinates in an excel file and simply want to plot them out, how do I do that? I have actually done it but only via another gis (then saving and replotting the resulting vector format file in qgis) or via a .kml file again generated elsewhere. If you have the points in an excel file, you can simply save this as a csv, and open this directly in QGIS. Have a look at the manual [1], which gives you a nice walk-through of everything you need to do to get things going. In particular, have a look at section 12.3 (Delimited Text Plugin). 1. 2. how to get hold of free basemap outline data e.g. countries of the world. I have tried very many different sources and still not found a nice set of data that is relatively easy to use. In this case, you should be looking for a shapefile, and there are many nice ones out there via Google, example: http://www.bluemarblegeo.com/products/worldmapdata.php?op=download 1. 2. how to display and use maps that are not centred on the prime meridian and go past 180 degrees e.g. maps of Russia? For this, you will want to find out the standard projections for Russian data. Certainly a shapefile of the world will display data over Russia, but you will need to find out what the relevant projections are before you do any real work or mapping. 1. This is for a project to plot records of species in Russia i.e. plot the location of a sighting, seems straightforward enough but actually turns out to be very difficult. QGIS behaves fairly similarly to most other GIS packages, with perhaps a bit more emphasis on 'plugins' (which is what you need to get csv files working). Once you get the right data, and understand a bit about the projection(s) that you need to be working in, things will go quite smoothly. For a nice intro to GIS, and some excellent information on projections and how to work with them in QGIS, have at A Gentle GIS Introduction, also on the manual page [1]. [1] **http://www.qgis.org/en/documentation/manuals.html Regards, Carson -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Error with manageR (and python console)
Hi Agus, What version of rpy2 did the easy-install install? Carson On Tue, Oct 20, 2009 at 1:47 PM, Agustin Lobo aloboa...@gmail.com wrote: Hi! I've just installed R (2.8.1), python-dev, rpy2 (through easy-install) and manageR (qgis 1.3.0) on ubuntu 9.04 jaunty and get this error after issuing any wrong command in the manageR console, i.e.: a = 1? Error: unexpected end of input in a = 1? and a window opens with: An error has occured while executing Python code: Traceback (most recent call last): File build/bdist.linux-i686/egg/rpy2/rinterface/__init__.py, line 108, in consoleFlush sys.stdout.flush() AttributeError: QgisOutputCatcher instance has no attribute 'flush' Python version: 2.6.2 (release26-maint, Apr 19 2009, 02:11:59) I get the same error if I run the rpy2 test mentioned in http://rpy.sourceforge.net/rpy2/doc/html/overview.html#installation in the qgis python console import rpy2.tests import unittest # the verbosity level can be increased if needed tr = unittest.TextTestRunner(verbosity = 1) suite = rpy2.tests.suite() tr.run(suite) Any idea on how to fix this? Apparently, the rpy2 installation went ok. Agus -- Dr. Agustin Lobo Institut de Ciencies de la Terra Jaume Almera (CSIC) LLuis Sole Sabaris s/n 08028 Barcelona Spain Tel. 34 934095410 Fax. 34 934110012 email: agustin.l...@ija.csic.es http://www.ija.csic.es/gt/obster -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] python error spqr
As per the rpy website, you also need to install numpy and the winapi python package: http://rpy.sourceforge.net/rpy_download.html If you are using the OSGeo installed qgis, you will also probably need to make sure to use the OSGeo installer to install rpy and the various other python libraries required... Hope that helps, Carson On Wed, Oct 14, 2009 at 11:25 AM, Markus Nater mark.na...@gmail.com wrote: well, the thing is, that I would like to use this module, of course. so, when I'm looking into C:\OSGeo4W\apps\python25\lib\site-packages, I can see that there are some files called rpy. As well I just installed rpy1.0-RC2 onto my system. but as the install directory the installer gives me always C:\Python25\Lib\site-packages\. could this be a problem may be? Borys Jurgiel schrieb: Dne středa 14 října 2009 11:36:17 Markus Nater napsal(a): Hello List I have always an error when I'm opening QGIS, that it can not load th spqr plugin as it doesn't find the win32api. I have installed everything trough th Osgeo4w installer. I also have python26 and python30 installed on my system. But honestley, I don't know what this all does together. Can somebody help me on this? It's because the SPQR plugin needs the python-rpy module (I don't remember whether this one is available in OSGeo4Win, but I mean rpy, not rpy2, what is required by other R-related plugins!). If you can't install this module and you don't need the SPQR plugin, you can just remove the spqr directory from: C:/Dokumente und Einstellungen/markus/.qgis//python/plugins ___ Qgis-user mailing listqgis-u...@lists.osgeo.orghttp://lists.osgeo.org/mailman/listinfo/qgis-user ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] units for Terrain analysis tools
Hi Agus, Hi! Is there a man page for the Terrain analysis tool? I just need to know if the slope results are in degrees or percentages. Not that I know of (we are working on the manual page at the moment). However, I don't actually know either, so perhaps Marco can update us on this for the new manual ;-) Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Guide for using the qgis python console
Good idea Augus... I will try to add an example of buffering a point layer, any other takers? Carson On Thu, Oct 8, 2009 at 8:19 AM, Agustin Lobo alobolis...@gmail.com wrote: Hi! Could somebody write few examples of using the qgis python console and (best) post them to the user's corner? I think that this is a very nice feature in qgis that is rarely used. Thanks! Agus ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] QGIS 1.3.0 plu-in installation problems
Hi A. P. Dhurandhar, Could you please provide us with some more information here? Did you try using the Plugin intaller? If yes, what were the errors messages that you received etc.? This will allows us to help you better... Carson On Thu, Oct 8, 2009 at 8:03 AM, Ashokaditya Prakash Dhurandhar apdhurand...@rediffmail.com wrote: Dear All I could not install the following plug-in. Kindly help/guide me to install them correctly in QGIS Mimas 1.3.0 1. spqr 2. SDA4PP 3. HomeRange_plugin 4. Contour 5. Mapfile tools 6. qgCSW 7. Rasterlang 8. pyArchInit Thanks A. P. Dhurandhar A. P. Dhurandhar Scientific Officer-F Atomic Minerals Directorate for Exploration.AMD-Complex, Civil Lines, Nagpur (M.S.) PIN 440 001 http://sigads.rediff.com/RealMedia/ads/click_nx.ads/www.rediffmail.com/signatureline@middle? ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: R: Re: [Qgis-user] manage R behaviour
Hi Ale, No new yet, but the information you provided below might be helpful. I changed the way manageR communicates with R slightly (it actually works better the way it is, but for some reason windows doesn't show results...). I will try a few things tonight, and let you know how it goes. I may have some things for you to test if you have some time, as I don't have access to Windows myself...? Carson On Mon, Sep 21, 2009 at 5:55 PM, Alessandro Sarretta alessandro.sarre...@inwind.it wrote: Hi Carson, do you have news about this problem? For your information, I noticed that using the R console from SDA4PP plugin, I have no problems and I can see variables created form the console of manage R too... I rememebr you that I'm using QGIS trunk, installed by OSGeo4W in Windows XP, R2.9.0, manageR 0.7.2 thanks Ale alessandro.sarre...@inwind.it ha scritto: Hi Carson, I tried with a simple point layer called SAMA. Data are loaded correctly, but if I try to use ls() or names(SAMA) I have no results... If I instead do plot(SAMA$X) I obtain correctly the plot. So data are loaded, it seems a problem with the print output on the manageR console Tell me if I can test something... thanks Ale Messaggio originale Da: carson.far...@gmail.com Data: 26/08/2009 11.10 A: Alessandro Sarrettaalessandro.sarre...@inwind.it Cc: qgis-user@lists.osgeo.org Ogg: Re: [Qgis-user] manage R behaviour Hi guys, Does any of the text show up after you load a layer via Ctrl-L or anything like that? What about if you try to save a graphic (this should export a command to the manageR console)? Based on the versions of the various software required, I can't see why this isn't working. It must be a Windows thing, but unfortunately, I don't have access to a Windows machine at the moment. Cheers, Carson On Tue, Aug 25, 2009 at 10:12 PM, Alessandro Sarretta alessandro.sarre...@inwind.it mailto:alessandro.sarre...@inwind.it wrote: Hi Carson, same behaviour for me, using QGIS trunk e QGIS 1.1, installed by OSGeo4W in Windows XP. R2.9.0 manageR 0.7.2 qt4-libs 4.5.2-1 pyqt4 4.5.2-5 python-rpy2 2.0.3-1 and congratulations, your plugin is improving really well! thanks Ale Carson Farmer ha scritto: Hi Filip, Dear all, I finally got to work manage R plug-in (version 0.7.2 woks, I use R 2.9.1, Qgis 1.0.2, Win XP). But I am confused by its behaviour. The console doesn't return any results. I mean, when I type: $ x-1 $ y-2 $ x+y Nothing is returned, even though the variables x and y exist (they are listed on the Environment tab). However, when I load a shape file with Ctrl+L, the console writes out a message QGIS Vector Layer Name: ... etc. Is this a standard behaviour of manage R? no it is not the standard behaviour... I'm not sure why you aren't getting any output to the console with normal R commands. I haven't testing this plugin on Windows yet, so perhaps I'll give this a try tonight and see if I can get the same behaviour. What versions of Qt and Rpy are you running? --Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com http://www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] distorted map presentation in wgs84
Have you enabled 'on the fly projection'? Click button in lower right-hand corner of QGIS window, and click 'enable on the fly projection' Are you sure the layer is in WGS84? Do you have the project CRS the same as the layer CRS? Carson On Fri, Sep 18, 2009 at 10:56 AM, j. z. zbudniewk...@interia.pl wrote: I've opened my first data in QGIS and found it displays distorted comparing to what it looks like in MapInfo Professional. The dataset is TAB. I attach the view in MIPro and QGIS. I tried the same with shp and the effect is the same. Anyone can tell how to make it look better in QGIS? -- Zobacz jak mieszka Norbi! Sprawdz http://link.interia.pl/f2345 ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Overlay request
Jacolin, I tried to use spatial select in fTools (search toolsspatial select I am not sure of the title in english as my GUI is in french) but it fails with an error message. Could you please post the fTools error message? Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Projection
Sarel, You certainly shouldn't have to save the shapefile to get the correct projection... did you try refreshing the mapcanvas after enabling on the fly projection (though this shouldn't be required either)? Carson On Mon, Aug 31, 2009 at 8:13 PM, Sarel Coetzer geotech.sa...@gmail.comwrote: Hi Magnus I am using shapefiles. I had to save the shapefile with the new CRS to get the projection correct and reload. Sarel On Mon, Aug 31, 2009 at 9:02 PM, Magnus Homann mag...@homann.se wrote: Sarel Coetzer skrev: Hi Giovanni Yes I have tried the OTF facility and still the layers wont overlay. The issue is that changes can be made to the CRS but it does not take effect until the layer file is saved with the new CRS values and is required to be reloaded in a new session. Surely the layers should refresh with the newly selected CRS and display in the correct location unless I am missing something fundamentally. Yes, it should change immediately. Is it raster or vector layer? Rasters won't reproject. Magnus -- http://sarelgis.blogspot.com/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] manage R behaviour
Hi Filip, Dear all, I finally got to work manage R plug-in (version 0.7.2 woks, I use R 2.9.1, Qgis 1.0.2, Win XP). But I am confused by its behaviour. The console doesn't return any results. I mean, when I type: $ x-1 $ y-2 $ x+y Nothing is returned, even though the variables x and y exist (they are listed on the Environment tab). However, when I load a shape file with Ctrl+L, the console writes out a message QGIS Vector Layer Name: ... etc. Is this a standard behaviour of manage R? no it is not the standard behaviour... I'm not sure why you aren't getting any output to the console with normal R commands. I haven't testing this plugin on Windows yet, so perhaps I'll give this a try tonight and see if I can get the same behaviour. What versions of Qt and Rpy are you running? Cheers, Carson -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: manageR question - 'QXmlStreamReader' is not defined error
hmmm, this must be a function that was added with Qt4.5... sorry about that! I'll try to implement this without that function... you may consider upgrading to Qt4.5, as I suspect this is also why you were having trouble with the xml reader as well... I will let you know where I get with this asap. Carson On Mon, Aug 24, 2009 at 4:46 PM, Rainer M Krug r.m.k...@gmail.com wrote: On Mon, Aug 24, 2009 at 4:41 PM, Carson Farmercarson.far...@gmail.com wrote: Hi Rainer, Hi I tried to use manageR again, but I get that dreaded 'QXmlStreamReader' is not defined error (see below). This was raised already a few times, but I did niot find a fix. Is there any progress? There is progress yes... I have removed it as a dependency in the newer version of manageR. This newer version will be totally reworked, and will be released in the next few weeks (probably). Unfortunately, it still needs work, so I won't be able to release it right away. In the mean time, try changing line 8 of your 'config.ini' file from 'auto_completion: commands.xml' to 'auto_completion: None'. This file is located in your manageR folder: /home/username/.qgis/python/plugins/manageR. You won't have autocompletion enabled, but if you can live without that for a while, you'll be able to use manageR without problems (hopefully ;-p). Thanks Carson I am looking forward to the new version. The modification in the ini file improved it - I can start manageR - but as soon as I type anything, I get the following error: An error has occured while executing Python code: Traceback (most recent call last): File /home/rkrug/.qgis//python/plugins/manageR/QConsole.py, line 142, in keyPressEvent if not self.isCursorInEditionZone(): File /home/rkrug/.qgis//python/plugins/manageR/QConsole.py, line 385, in isCursorInEditionZone block = self.document().lastBlock() AttributeError: lastBlock Python version: 2.5.2 (r252:60911, Jul 22 2009, 15:52:25) [GCC 4.2.4 (Ubuntu 4.2.4-1ubuntu3)] Python path:['/usr/share/qgis/python', '/home/rkrug/.qgis//python/plugins', '/usr/share/qgis/python/plugins', '/usr/lib/python25.zip', '/usr/lib/python2.5', '/usr/lib/python2.5/plat-linux2', '/usr/lib/python2.5/lib-tk', '/usr/lib/python2.5/lib-dynload', '/usr/local/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages/Numeric', '/usr/lib/python2.5/site-packages/PIL', '/usr/lib/python2.5/site-packages/gst-0.10', '/var/lib/python-support/python2.5', '/usr/lib/python2.5/site-packages/gtk-2.0', '/var/lib/python-support/python2.5/gtk-2.0', '/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode', '/home/rkrug/.qgis/python/plugins/fTools/tools'] Cheers Rainer Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ -- Rainer M. Krug, Centre of Excellence for Invasion Biology, Stellenbosch University, South Africa -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: manageR question - 'QXmlStreamReader' is not defined error
Hi Rainer, Hi I tried to use manageR again, but I get that dreaded 'QXmlStreamReader' is not defined error (see below). This was raised already a few times, but I did niot find a fix. Is there any progress? There is progress yes... I have removed it as a dependency in the newer version of manageR. This newer version will be totally reworked, and will be released in the next few weeks (probably). Unfortunately, it still needs work, so I won't be able to release it right away. In the mean time, try changing line 8 of your 'config.ini' file from 'auto_completion: commands.xml' to 'auto_completion: None'. This file is located in your manageR folder: /home/username/.qgis/python/plugins/manageR. You won't have autocompletion enabled, but if you can live without that for a while, you'll be able to use manageR without problems (hopefully ;-p). Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Fwd: [Qgis-user] polygon centroids
-- Forwarded message -- From: Carson Farmer carson.far...@gmail.com Date: Wed, 29 Jul 2009 07:08:17 +0100 Subject: Re: [Qgis-user] polygon centroids To: Geofrey Sanders geof...@weathercall.net Hi Geofrey, This is a known issue that has cropped up relatively recently, and I am currently working to fix things... apologies for the inconvenience, and I will try to fix this asap! Carson On 7/28/09, Geofrey Sanders geof...@weathercall.net wrote: I've just used the fTools 'polygon centroids' tool, and the resulting points are all wrong. Each one is outside its parent polygon to the southwest. Is there something I need to do to the originating layer beforehand, or to the result layer afterword? Geofrey Sanders Weather Call Customer Care geof...@weathercall.net voicemail: 1 (800) 260-6695 ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] rpy2 isntallation fails under Ubuntu Jaunty for R 2.9.1
Nikos, To me it seems that _currently_ the source 2.9.1 R fails to support rpy2 compilation (or I just compile/install it in the wrong way) and the binaries (deb's) fail to support comilation/installation of spgrass6. If you're going to compile R from source, you need to make sure to configure with shared libraries enabled for Rpy2 to work properly. I didn't see whether you had done this earlier or not... $ ./configure --enable-R-shlib $ make $ make install Cheers, Carson Ubuntu-users, can you execute G-gmeta6() in latest R-2.9.1 installed from ubuntu repositories for Ubuntu Jaunty (64-bit)? Thanks, Nikos ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ On 7/28/09, Nikos Alexandris nikos.alexand...@felis.uni-freiburg.de wrote: To me it seems that _currently_ the source 2.9.1 R fails to support rpy2 compilation (or I just compile/install it in the wrong way) and the binaries (deb's) fail to support comilation/installation of spgrass6. Ubuntu-users, can you execute G-gmeta6() in latest R-2.9.1 installed from ubuntu repositories for Ubuntu Jaunty (64-bit)? Thanks, Nikos ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson Farmer National Centre for Geocomputation John Hume Building, National University of Ireland, Maynooth, Maynooth, Co. Kildare, Ireland. www.carsonfarmer.com ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: Error loading HomeRange plugin on Mac OSX[was: Re: [Qgis-user] Fwd: Hello, ]
Hi all, With all this, I was able to install and enable the HomeRange plugin in Qgis 1.1.0 once - it loaded and showed up in the plugins menu. After restarting Qgis, I got an error loading HomeRange: Traceback (most recent call last): File , line 2, in File /Users/kyngchaos/.qgis//python/plugins/HomeRange_plugin/__init__.py, line 32, in from HRplugin_main import HRPlugin File /Users/kyngchaos/.qgis//python/plugins/HomeRange_plugin/HRplugin_main.py, line 40, in from HRplugin_dialog import Dialog File /Users/kyngchaos/.qgis//python/plugins/HomeRange_plugin/HRplugin_dialog.py, line 44, in from HRplugin_algorithm import * File /Users/kyngchaos/.qgis//python/plugins/HomeRange_plugin/HRplugin_algorithm.py, line 46, in import rpy2.robjects as robjects File /Library/Python/2.5/site-packages/rpy2/robjects/__init__.py, line 12, in import rpy2.rinterface as rinterface File /Library/Python/2.5/site-packages/rpy2/rinterface/__init__.py, line 6, in R_HOME = os.popen(R RHOME).readlines() IOError: [Errno 4] Interrupted system call This appears to be a general PyQt problem with 'popen', and appears to be especially problematic for macs. I think what's happening is that PyQt is interrupting the (slower?) os.popen command, making it impossible for rpy2 to find RHOME. This is why things work when entered into a normal console... I have yet to find a way to effectively fix it, but I'm going to look into it further tonight, so hopefully I'll have a solution in the next few days. It actually doesn't happen all the time, which makes it slightly harder to pin down. ... Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] ManageR not running
Hi Gavin, It looks like your version of R doesn't have the lsf.str function available for some reason. Similarly to what I suggested to Agus, try changing your auto_completion variable in your config.ini file located in your manageR directory from commands.xml (or Auto) to None. This will tell manageR to completely ignore autocompletion (so obviously it won't be available for you), but at least you'll be able to start using manageR. In the mean time, I'll try to figure out why you don't have this base function? To help me, please provide your R version, QGIS version, and Rpy2 version (plus any other info that you think might be helpful). Cheers, Carson Workaround sugested by Carson while he finds a final fix: I'm still working on this, but I don't know what is causing this error. Technically, the QXmlStreamReader is part QtCore, so I don't really know why this isn't working... For now, if you simply change the auto_completion variable in your config.ini file located in your manageR directory from commands.xml to Auto, manageR will skip the xml parsing step, and simply read the autocommands from your default R environment (i.e. the auto complete suggestions will be based on the packages you have set to automatically load when R is loaded (base, graphics, stats, etc.). -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Error at starting manageR
Hi Agus, I'm having the following error at starting manageR using R 2.9, rpy2-2.04, qgis 1-0-2 and manageR 0.6.8 on ubuntu 8.04 hardy: An error has occured while executing Python code: Traceback (most recent call last): File /home/alobo/.qgis//python/plugins/manageR/manageR.py, line 29, in run d = manageRDialog.manageR( self.iface, self.version ) File /home/alobo/.qgis//python/plugins/manageR/manageRDialog.py, line 46, in __init__ int( parser.get('general', 'delay') ) ) File /home/alobo/.qgis//python/plugins/manageR/completer.py, line 27, in __init__ self.loadSuggestions( commandList ) File /home/alobo/.qgis//python/plugins/manageR/completer.py, line 136, in loadSuggestions xml = QXmlStreamReader( document.toByteArray() ) NameError: global name 'QXmlStreamReader' is not defined This is not an Rpy2 issue, it's a Qt issue. The latest version of manageR uses the QXmlStreamReader to read the command completion info from an xml file. You likely don't have the QtXml stuff installed, which is what is causing this error. I'm going to make it so you don't have to load the commands from the xml file (in fact, the version in my google code repository already has this feature), but the way it is currently set up, you do... Sorry for the confusion, and if I get a chance tonight, I'll update the manageR version to this latest version. Cheers, Carson ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] basic raster processing
John, I'm relatively new to QGIS. I've used it for viewing various sources of data and some vector editing and geoprocessing. Now, I'd like to do some basic raster processing, like simply multiplying and adding rasters, conditional expressions (e.g., if value 0, then = 0, else value), slope, aspect, etc What is the method to do these via QGIS? GRASS may be an option but I understand it takes some preprocessing to get your files into GRASS datasets, which could be a lot of work (numerous data sets, some several GBs in size.)Thanks. Have a look at Barry Rowlingson's rasterlang plugin: http://www.maths.lancs.ac.uk/~rowlings/Qgis/Plugins/plugins.xml Barry also has a google code page which would likely have his latest version/improvements: http://code.google.com/p/bsrplugins/source/browse/#svn/trunk Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Error in download webpage?
All, I noticed that already too - but .. AFAIK theres no bug in the Website itself - It seems that sometimes some parts are somehow not rendered correctly - Or even not delivered to the browser .. a simple click on reload always solved the problem for me .. Not for me! I am having the same trouble others are having on Firefox and Opera, but Epiphany works nicely right away?! No suggestions though, as I don't have time at the moment to take a closer look... C ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] merging of R plugins?
Hi Ricardo, I'd like to suggest to the authors of the 2 great plugins manageR and spqr that they combine their efforts into an R super plugin! :) I'm not sure if Barry is interested in continuing to work on his spqr plugin, and as it stands, spqr requires rpy, and manageR requires rpy2, so integration isn't ;quite so simple (though it can certainly be done)... once I have more time (after the new QGIS manual is released), I'm going to add quite a few new features to manageR, including several 'point and click' tools, so perhaps this could be one of them... Carson ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: [Qgis-developer] problem in projection
Hi Bijay, Hi All, I am using Qgis 1.0.0 in ubuntu 8.04.Actually after loading a Raster layer when i try to select change co-ordinate Reference system (CRS)in project properties it shows only three i.e Geographic co-ordinate system Projected co-ordinate system User defined co-ordinate system You will need to expand one of the above tree items to view the CRS under them... to do this, click the + symbol and select the CRS you want (you will have to know whether it is a Geographic, Projected, or User defined CRS). You can also use the search tools to help you find the CRS you are looking for... Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Fwd: Re: [Qgis-user] Assigning a keyboard shortcut to a plugin]
So this is possible in a plugin? Kewl! Slightly off-topic, would it be nice to create a plugin for customizing key-bindings of QGIS functions? This would certainly be useful, the only issue is that many plugins and tools manage their key bindings themselves, so it would be difficult to change these without direct access to the plugin in question... ...or maybe not if someone else knows some Qt magic that I don't ;-p Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Plans to improve manage-R
Hi Nikos, I don't want to repeat how useful your plugins are. Rather, I want to ask if you plan to improve manage-R: * command syntax support/highlighting yes, eventually... * command auto-complete function definitely... soon * customisable appearance (font shape/size, background color, etc. -- separate from default qt-config) I have started to address this (you can change the background and text colours by adjusting the [theme] variables in the plugins .ini file (see manageR help). Hopefully I'll add some gui options to the manageR dialog... the only issue is that according to the QGIS gui guidelines, only the main application is supposed to have a menu bar, so I will likely have to find alternative ways of doing this... Hopefully that's what you were hoping to hear. Please let me know if you have any further suggestions, or would like to contribute at all. Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Plans to improve manage-R
Agus et al., I personally would add a button to save the plotting window as emf, svg, bmp etc (as the windows R GUI does). Is this hard? no shouldn't be too hard, I will add this to the todo list ;-) C -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] fTools error
Kosza, ...and what version of qt, did you compile QGIS yourself? Carson hi i get the following popup on startup: Couldn't load plugin fTools due an error when calling its initGui() method Traceback (most recent call last): File , line 1, in File /home/toni/.qgis//python/plugins/fTools/fTools.py, line 195, in initGui menuBar = self.iface.mainWindow().menuBar() AttributeError: menuBar Python version: 2.5.4 (r254:67916, Feb 18 2009, 03:17:34) [GCC 4.3.3] in background (on console): t...@erasmus:~/bin/qgis/qgis_unstable/build$ ../apps/bin/qgis Python support ENABLED :-) Warning: Object::connect: No such slot QgsWFSPlugin::setCurrentTheme(QString) Loaded : fTools (package: fTools) Loaded : MapServer Export (package: mapserver_export) Segmentation fault t...@erasmus:~/bin/qgis/qgis_unstable/build$ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Relational Databases and PostGIS formatting of Vector Data
Peter, What tool did you use to import the layer into POSTGIS? Quantum GIS. My guess is you actually used the SPIT plugin, which is a C++ plugin included with QGIS, and is a gui frontend to shp2pgsql... Carson ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Relational Databases and PostGIS formatting of Vector Data
Yes, that is correct. Are there any other 'shp ingesters' for use with QGIS? AFAIK the PostGIS manager plugin is also able to load shapefiles into PostGIS, and this is a nice simple way to manage your database directly from within QGIS. I am thinking that my complaint regarding proper normal form for vector data ingested into postgresql should also be tempered with the idea that any database user could reorganize the ingested data into any format they desire. Therefore, it's not as though anything is actually irreparably disorganized or broken. Technically one could just add a trigger to the system catalogs to check if a new table has been added to the database and then go from there. Yes, I think you're probably right here. It would be difficult to create a tool that would import data into pgsql the way that everyone or anyone would like... so KISS is the best solution (keep it simple s...) from here it's up to the database maintainer to keep things the way they want it... Th postgis user lists would probably benefit from this discussion, have you suggested similar things there? Most of us on the QGIS lists aren't database experts, so a better discussion would probably come out of the postgis lists. Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Relational Databases and PostGIS formatting of Vector Data
On Thu, Apr 9, 2009 at 7:53 PM, Peter Willis pet...@borstad.com wrote: Carson Farmer wrote: Peter, What tool did you use to import the layer into POSTGIS? Quantum GIS. My guess is you actually used the SPIT plugin, which is a C++ plugin included with QGIS, and is a gui frontend to shp2pgsql... Just to clarify: SPIT plugin is not a frontend to shp2pgsql, it has its own logic. I stand correctly ;-) C ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Manage R
Alessandro, in Windows all packages (included rgdal) are installed in C:\Programmi\R\R-2.7.0\library\. I tried to set lib.loc and libpath but without good results. I don't know if I made some errors with paths, but I tried numerous ones... Ale hmm I wonder if this has something to do with the osgeo4w install of these programs... I'll have a poke around and see what I come up with... are you using the osgeo4w installer? Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Manage R
Alessandro, Hi Carson, I tried to use the Ctrl+F command in the manageR interface to export a R layer to a file, but I had this message: Unable to find R package 'rgdal'. but using R interface I installed rgdal and I can load it without problem (with library(rgdal) command). If I use library(rgdal) in the manageR interface I have this message: Errore: caricamento pacchetto/namespace fallito per 'rgdal' (in italian) Error: loading package/namespace failed for 'rgdal' (in english) The Ctrl+M command works fine. What could be the problem? I'm using QGIS 1.0.1 (OSGEO installer) and R-2.7.0 in Windows XP. This might have something to do with the fact that rgdal is often installed in a separate directory than other R packages (because it depends on proj4 and gdal/ogr. When trying to load the library in manageR, try specifying the lib.loc or libpath parameter(s), you will have to figure out where these packages are installed first, as I do not have a Windows machine to check this on. If this doesn't work, please let me know, and I'll try to think of something else... lib.loc: a character vector describing the location of R library trees to search through, or 'NULL'. The default value of 'NULL' corresponds to all libraries currently known. Non-existent library trees are silently ignored. libpath: a character string giving the complete path to the package. About this problem, I updated the plugin and now it's works: the fields are in the original order! Thank you very much!!! Great! I don't know why I didn't get this fixed sooner ;-) Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] Re: Manage R
Alessandro, I updated manageR plugin and now It works perfectly in my notebook! Great! Excellent, I'm glad to hear it. The whole Rpy, Numpy, R, and QGIS install process is not as easy as I'd like it to be, so it's good to hear that some are getting it to play nicely! I noticed that, when I load a layer in manageR, the order of the fields of the table seems to be random. It's a bug or it's a normal behaviour of sp package that I'm not able to manage? Well it's a bit of both: PyQGIS and RPy use python dicts to store attribute data etc., and at some point between reading the attributes from QGIS and converting to R the fields get randomised (python dicts store key-value pairs in random order to speed retrieval). So it's nothing to do with R. I am going to have a look at this today, because in the past I have been able to overcome this problem. Thanks for reminding me ;-) p.s. I hope to have the time to test manageR and to prepare a small basic statistical course with QGIS+manageR for my colleagues. Your plugin is a great tool! :-) This is very nice to hear! I'm hoping to do the same here, so let me know about any and all bugs you find while testing, and I'd love to hear how your course goes and what content you end up using. Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Python scripting
Alessandro et al., I'm also interested in using python and QGIS for simple scripts espacially for batch processing, and some examples could be very useful! Attached is a python script for performing some basic geoprocessing functions on vector layers. The header of the file contains usage examples to help get you started... it's probably not the cleanest python code, nor the most pythonistic... but you get the idea ;-) Hope this helps to get you started... The other good resource for python scripting is: http://wiki.qgis.org/qgiswiki/PythonBindings Cheers, Carson Thanks Ale georgew ha scritto: ThanKs Alex, the problem is I have not been able to find any example that is free standing, all seem to be plugins or use QT to generate a UI. Can you point me to a working example, however simple (e.g. read shapefile, project,write shapefile) that can set me off on the right path? Many thanks G. ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ from PyQt4.QtCore import * from qgis.core import * class GeoprocessingEngine( ): ''' USAGE: GeoprocessingEngine( func, layerA, layerB, outPath, encoding, param, merge ) func : geoprocessing function 1: Buffer 2: Convex Hull 3: Difference 4: Dissolve 5: Intersection 6: Union 7: Symetrical Difference 8: Clip layerA : QgsVectorLayer layerB : QgsVectorLayer outPath : string - /home/cfarmer/Desktop/test.shp encoding : default is 'System' param : a parameter, may be used for buffer, and dissolve merge : should the results be merged (buffer) EXAMPLE: # import engine from Geoprocessing import GeoprocessingEngine layerA = QgsVectorLayer(/path/to/layer.shp, layerA, ogr) layerB = QgsVectorLayer(/path/to/layer.shp, layerB, ogr) # create geo engine geo = GeoprocessingEngine( 5, layerA, layerB, '/home/cfarmer/Desktop/test.shp') # compute geoprocessing event, and output result outlayer = geo.compute() # compute() returns the output layer as a QgsVectorLayer This alows us to link multiple runs together: geo1 = GeoprocessingEngine( 5, layerA, layerB, '/home/cfarmer/Desktop/test1.shp') outlayer = geo1.compute() geo2 = GeoprocessingEngine( 3, layerA, outlayer, '/home/cfarmer/Desktop/test2.shp') outlayer = geo2.compute() ... ... temp files are created for better usage of memory when using large layers ''' def __init__( self, function, layerA, layerB, outputName, encoding = 'System', param = 0, merge = False ): self.myFunction = function self.success = False self.layerA = layerA self.layerB = layerB self.param = param self.merge = merge self.outputName = outputName self.encoding = encoding def compute( self ): check = QFile( self.outputName ) if check.exists(): if not QgsVectorFileWriter.deleteShapeFile( self.outputName ): return None self.geoprocessing( self.myFunction, self.layerA, self.layerB, self.param, self.merge, self.outputName, self.encoding ) return QgsVectorLayer( self.outputName, temp, ogr ) def geoprocessing( self, function, myLayerA, myLayerB, myParam, myMerge, myName, myEncoding ): self.myFunction = function self.myLayerA = myLayerA self.myLayerB = myLayerB self.myParam = myParam self.myMerge = myMerge self.myName = myName self.myEncoding = myEncoding self.vlayerA = self.myLayerA if self.myFunction == 1 or self.myFunction == 2 or self.myFunction == 4: ( self.myParam, useField ) = self.checkParameter( self.vlayerA, self.myParam ) if not self.myParam is None: if self.myFunction == 1: geos, feature, match = self.buffering( useField ) elif self.myFunction == 2: geos, feature, match = self.convex_hull( useField ) elif self.myFunction == 4: geos, feature, match = self.dissolve( useField ) else: self.vlayerB = self.myLayerB if self.myFunction == 3: geos, feature, match = self.difference() elif self.myFunction == 5: geos, feature, match = self.intersect() elif self.myFunction == 6: geos, feature, match = self.union() elif self.myFunction == 7: geos, feature, match = self.symetrical_difference() elif self.myFunction == 8: geos, feature, match = self.clip() def buffering( self, useField ): GEOS_EXCEPT = True FEATURE_EXCEPT = True vproviderA = self.vlayerA.dataProvider()
Re: [Qgis-user] new manageR
Hi gang, I don't actually use Numeric directly, this is likely an rpy2 issue. I'll ask around on that list to see if I can see a simple solution... I'll keep you updated on my progress... Carson There is a dependency on Numeric. Apparently Carson needed some functionality from Numeric that is unavailable in numpy. Carson: is this something that cannot be worked around? Numeric has been replaced by numpy, and there is no easy_install method for Numeric. This seems problematic. John On Mar 29, 2009, at 7:44 PM, Maxim Dubinin wrote: Hi Carson, great news, I'm using R a lot and the idea of interfacing it with QGIS is great. I have some problems with making manageR work. Though it seems that all the components are there (python-rpy2, python-numpy): http://gis-lab.info/images/screenshots/20090329-fqt-109kb.jpg I'm still getting this error after installing and clicking on manageR button Traceback (most recent call last): File C:/Documents and Settings/mdubinin/.qgis//python/plugins\manageR\manageR.py, line 28, in run import manageRDialog File C:/Documents and Settings/mdubinin/.qgis//python/plugins\manageR\manageRDialog.py, line 6, in from QLayerConverter import QVectorLayerConverter, QRasterLayerConverter File C:/Documents and Settings/mdubinin/.qgis//python/plugins\manageR\QLayerConverter.py, line 4, in import Numeric, array ImportError: No module named Numeric Âåðñèÿ Python: 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)] Ïóòü ïîèñêà Python:['C:/OSGeo4W/apps/qgis/./python', 'C:/Documents and Settings/mdubinin/.qgis//python/plugins', 'C:/OSGeo4W/apps/qgis/./python/plugins', 'C:\\WINDOWS\\system32\\python25.zip', 'C:\\OSGeo4W\\apps\\Python25\\DLLs', 'C:\\OSGeo4W\\apps\\Python25\\lib', 'C:\\OSGeo4W\\apps\\Python25\\lib\\plat-win', 'C:\\OSGeo4W\\apps\\Python25\\lib\\lib-tk', 'C:\\OSGeo4W\\apps\\qgis\\bin', 'C:\\OSGeo4W\\apps\\Python25', 'C:\\OSGeo4W\\apps\\Python25\\lib\\site-packages', 'C:\\OSGeo4W\\apps\\Python25\\lib\\site-packages\\win32', 'C:\\OSGeo4W\\apps\\Python25\\lib\\site-packages\\win32\\lib', 'C:\\OSGeo4W\\apps\\Python25\\lib\\site-packages\\Pythonwin', 'C:\\OSGeo4W\\apps\\Python25\\lib\\site-packages\\wx-2.8-msw-unicode', 'C:\\Documents and Settings\\mdubinin\\.qgis\\python\\plugins\\fTools\\tools'] -- Best regards, Maxim Вы писали 29 марта 2009 г., 19:26:25: CF Hello listers, CF I am pleased to announce a new version of manageR is now available in my CF plugin repository (http://www.ftools.ca/cfarmerQgisRepo.xml or via the CF plugin installer using 3rd party repos). I am particularly happy with CF this version, as I think it is a major improvement over the older CF manageR. The interface is cleaner, and the console is more like a proper CF R console, so R users will likely find it easier to use. Multi-line CF commands can be entered line by line, or pasted into the console (type CF Ctrl+H in the console to see usage details), and layers can be imported CF and exported to and from manageR using simple keyboard commands. CF This plugin is still in relatively early stages of development, but it CF should be safe enough to not destroy your data ;-) If you would like to CF help me improve manageR, and make it more stable, please report any bugs CF or suggestions using my google-code site: CF http://code.google.com/p/ftools-qgis/ or if you prefer, you can email CF me at: carson_dot_farmer_at_gmail_dot_com. I will also add more CF information to http://www.ftools.ca/manageR.html over the next few days. CF Requirements: QGIS version 1.x - http://www.qgis.org/index.php CF Rpy2 version 2.0.3 - http://rpy.sourceforge.net/rpy2.html CF R version 2.7.1 or higher (= 2.8.0 recommended) - CF http://www.r-project.org/ CF Numpy version 1.x.x - http://numpy.scipy.org/ CF Cheers, CF Carson ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] new manageR
Hi Jürgen, Hi Maxim, On Sun, 29. Mar 2009 at 21:44:54 -0500, Maxim Dubinin wrote: I'm still getting this error after installing and clicking on manageR button Traceback (most recent call last): File C:/Documents and Settings/mdubinin/.qgis//python/plugins\manageR\manageR.py, line 28, in run import manageRDialog File C:/Documents and Settings/mdubinin/.qgis//python/plugins\manageR\manageRDialog.py, line 6, in from QLayerConverter import QVectorLayerConverter, QRasterLayerConverter File C:/Documents and Settings/mdubinin/.qgis//python/plugins\manageR\QLayerConverter.py, line 4, in import Numeric, array ImportError: No module named Numeric Hm, reminds me of http://trac.osgeo.org/osgeo4w/ticket/65 somehow. Might installing R 2.6.2 and python-rpy help? Nope, don't do this! manageR only works with the new rpy2, and newer versions of R... having said that, the Numeric dependency has been removed (just now), and I'll upload a new version in about 10 minutes! Cheers, Carson ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
Re: [Qgis-user] Vector Layer Translate Feature
Pietro, I'm writing a Python plugin to allow the user to translate a whole vector layer by a given shift. I use the translateFeature() of the QgsVectorLayer class but if the layer is zoomed the function translates only the visualized features. Can someone point me a way to act on the whole layer regardless of the current zoom? In your provider.select() call, what do you use for the spatial filter? If you want to run through all features in the layer, make sure you don't specify any bounds in the rect variable: attrs = provider.attributeIndexes() provider.select(attrs) or if that doesn't work, specify the extent of the layer as the rect using layer.extent(), which is inherited from QgsMapLayer... Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
[Qgis-user] new manageR
Hello listers, I am pleased to announce a new version of manageR is now available in my plugin repository (http://www.ftools.ca/cfarmerQgisRepo.xml or via the plugin installer using 3rd party repos). I am particularly happy with this version, as I think it is a major improvement over the older manageR. The interface is cleaner, and the console is more like a proper R console, so R users will likely find it easier to use. Multi-line commands can be entered line by line, or pasted into the console (type Ctrl+H in the console to see usage details), and layers can be imported and exported to and from manageR using simple keyboard commands. This plugin is still in relatively early stages of development, but it should be safe enough to not destroy your data ;-) If you would like to help me improve manageR, and make it more stable, please report any bugs or suggestions using my google-code site: http://code.google.com/p/ftools-qgis/ or if you prefer, you can email me at: carson_dot_farmer_at_gmail_dot_com. I will also add more information to http://www.ftools.ca/manageR.html over the next few days. Requirements: QGIS version 1.x - http://www.qgis.org/index.php Rpy2 version 2.0.3 - http://rpy.sourceforge.net/rpy2.html R version 2.7.1 or higher (= 2.8.0 recommended) - http://www.r-project.org/ Numpy version 1.x.x - http://numpy.scipy.org/ Cheers, Carson -- Carson J. Q. Farmer ISSP Doctoral Fellow National Centre for Geocomputation (NCG), National University of Ireland, Maynooth, Email: carson.far...@gmail.com Web: http://www.carsonfarmer.com/ http://www.ftools.ca/ ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user