Hi All,
Using QGIS 3.10.2 on Windows x64, installed via OSGeo4w.
When opening a .qgz file with data in ESRI code 102008 and the project in
EPSG 4326, I get a warning - "Cannot use project transform between
ESRI:102008 and Unknown CRS"
Upon clicking the Details button, a window pops up -
Hi All,
I was recently noticing an issue when applying graduated styling to a layer
based on a field. Basically, in some instances the lower bounds for the
lower-most class were rounded up slightly at the nth decimal place, so the
feature with that lowest value was not actually shown. And on the
I'll file a bug when I can deal with an issue logging into the issue
tracker system, but if somebody else can do it quickly and beats it to me,
just report back. Thanks all!
On Fri, Oct 5, 2018 at 4:29 PM Michael Treglia wrote:
> Alright - I get the exact same issue in the nightly dev vers
ipir
> * Mastering QGIS 2nd Edition:
> *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> ******
>
>
&g
; *
> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
> * Hire me: http://goo.gl/BYRQKg
>
> **********
>
>
> On Fri, 5 Oct 2018 at 21:59, Michael Treglia
, Oct 5, 2018 at 4:01 PM Michael Treglia wrote:
> Whoops! Forgot the key information:
> (Running on Windows 7 Pro x64)
>
> QGIS version
>
> 3.2.3-Bonn
>
> QGIS code revision
>
> 9b176802e5 <https://github.com/qgis/QGIS/commit/9b176802e5>
>
> Compiled a
2.2.4
Compiled against GEOS
3.6.1-CAPI-1.10.1
Running against GEOS
3.6.1-CAPI-1.10.1 r0
PostgreSQL Client Version
9.2.4
SpatiaLite Version
4.3.0
QWT Version
6.1.3
QScintilla2 Version
2.10.1
PROJ.4 Version
493
On Fri, Oct 5, 2018 at 4:00 PM Michael Treglia wrote:
> Hi All,
>
>
Hi All,
Just checking if others are observing something similar:
* I was writing data to gpkg files from a postgis database.from the
Database Manager. (e.g., select a layer from the PostGIS database and hit
the "export to file" button at the top.
* The resulting gpkg layer loses data in a column
018 01:11 PM, Michael Treglia ha scritto:
> > Hmm, I'm curious to learn more about the issues you are describing. I
> > have my rasters stored as in-db rasters, and have no prob bringing
> > them into QGIS for visualization. And I haven't done much processing
> > of the in
Cavallini wrote:
> Hi Michael,
>
>
> Il 09/15/2018 12:46 PM, Michael Treglia ha scritto:
> > Hi Paolo,
> >
> > I use PostGIS rasters... Any questions in mind?
> >
> thanks for your reply. On QGIS 3.2 I found a number of important
> limitations in PGRast
Hi Paolo,
I use PostGIS rasters... Any questions in mind?
Best,
Mike
Please pardon any typos, this message was sent from a mobile device.
On Sat, Sep 15, 2018, 4:57 AM Paolo Cavallini wrote:
> Hi all,
>
> I'd be happy knowing whether there are PostGIS Raster users around.
>
> Thanks.
>
> --
,
>
> You have various selection tools in the GUI. (yellow box Icon with an
> arrow). If you use shift + left mouse click, you can add to the current
> selection. I think it is Ctlt + left mouse click in some version of QGIS.
>
> Nicolas
>
> On 2018-09-12 11:12 AM, Michael T
Hi All,
I'm doing some work that entails fixing up some digitization based on
per-pixel image classification. Sometimes there are polygons with lots of
rings contained, so I'm using the Delete Ring tool, but that requires
clicking on every individual ring. Is there a way to delete multiple rings
Hi Rick,
Here's what I've done albeit this isn't as smooth as directly doing "save
as" to the gpkg file...:
Save the file as another file type (or another gpkg file);
You can then drag layers from the Layers panel to the .gpkg file in the
Browser panel.
I hope that helps!
Mike
On Wed, Jun 13,
page. There is no need to
> go to the All Downloads page.
>
> On May 13, 2018, at 6:53 PM, Michael Treglia <mtreg...@gmail.com> wrote:
>
> Hi All,
>
> I'm not a Mac user myself, but updating a tutorial to 3.0(.2) for new(ish)
> users and wanting to include info on wher
Hi All,
I'm not a Mac user myself, but updating a tutorial to 3.0(.2) for new(ish)
users and wanting to include info on where to find info for installing on
Macs, realizing how many folks are Mac users.
When I go to the main download page (
https://www.qgis.org/en/site/forusers/download.html)
Hi All,
Working on QGIS 2.18, and in searching the web for how to export a geopdf,
most of what I'm finding is a few years old. Any guidance on the current
'best' or 'easiest' way to go from a composer or (individual vector GIS
layer?) to a georeferenced PDF that can be read by PDF Maps?
Thanks!
The other thing I might suggest is writing the postgis-users list to get
any input from there, especially on the database end of things:
https://lists.osgeo.org/mailman/listinfo/postgis-users
Hope that helps!
Cheers,
mike
On Thu, Jun 15, 2017 at 1:49 PM, Árni Geirsson wrote:
>
PM, Even Rouault <even.roua...@spatialys.com>
wrote:
> On mardi 6 juin 2017 14:41:19 CEST Michael Treglia wrote:
>
> > Hi All,
>
> >
>
> > I have a gpkg file into which I exported a bunch of layers from ArcGIS.
>
> > When drag the gpkg file into the QGIS
Hi All,
I have a gpkg file into which I exported a bunch of layers from ArcGIS.
When drag the gpkg file into the QGIS desktop (2.18.8 & 2.18.9), most
layers show up as not having a geometry type, though the geometries appears
fine in both Arc (10.3.1) and QGIS 2.14.3, on a different PC.
Can
Polygon or Multipolygon depending on the input, your_srs_code
> should be the same as testshape's
>
> QGIS can analyze geometry columns and detect the type (and probably SRS),
> however only relations with geometry fields defined in this way are listed
> in geometry_columns.
>
> Bernhar
Hi All,
I'm running a PostGIS query to create a view, buffering a polygon - viewing
the result in DB Manager, the associated icon, rather than being polygons,
is a question mark, and in the info tab for the layer, I see the warning '
There is no entry in geometry_columns!'
That said, the layer
Also, there were a couple of blog posts from Anita Graser recently that
look relevant (disclaimer: I have not yet given them a good read...). See
the recent posts here: https://anitagraser.com/2017/02/03/gradient-arrows/
and https://anitagraser.com/2016/12/30/new-style-flow-map-arrows/
Cheers
Great, Thanks Jürgen - will give it a go, and write back if I have any
issues. Looking forward to trying 3.0!
Mike
On Mon, Mar 13, 2017 at 5:03 PM, Jürgen E. Fischer <j...@norbit.de> wrote:
> Hi Michael,
>
> On Mon, 13. Mar 2017 at 16:53:14 -0400, Michael Treglia wrote:
>
Hi All,
Was considering adding QGIS 2.99 nightly build to my stack (via OSGeo4W
installer) to start exploring it, but realize it installs/uses Python 3.
Thus, will there be conflicts if I have 2.18.x and 2.99 installed
concurrently? (Figured I'd ask before I cost myself time and added some
Not integrated with QGIS, but there is an R package designed to help
process images from Camera traps - possibly it could work for your
situation?
https://cran.r-project.org/web/packages/camtrapR/index.html (the paper
describing the package can be found here::
gt;
> On Jan 26, 2017 11:26 AM, "Michael Treglia" <mtreg...@gmail.com> wrote:
>
>> If you have QGIS installed and open, go to Help -> About, and it'll show
>> those details.
>> Hope that helps,
>> mike t
>>
>> On Thu, Jan 26, 2017 at
If you have QGIS installed and open, go to Help -> About, and it'll show
those details.
Hope that helps,
mike t
On Thu, Jan 26, 2017 at 1:05 PM, Mike wrote:
> I'm looking at QGIS 2.18.3, but am trying to find the version of GDAL used
> for this. Where can I find it?
>
>
Hi Grant - good question. Looks like a similar question came up on Stack
Exchange last spring. Does it sound like this answer works for you?
http://gis.stackexchange.com/questions/187699/how-to-create-a-qgis-map-of-unprojected-data
(Ultimately the suggestion is to assign it to a UTM or foot
Hi All,
With 3d-vector datasets, I'm wondering if there is a good way to convert to
a raster representing height.
Case in point - 3-D Building data for NYC:
http://www1.nyc.gov/site/doitt/initiatives/3d-building.page
The ESRI Multipatch format comes as gdb files, which I can import into
QGIS,
In my training, one thing I found immensely valuable, was even a small
amount of cross-training. For example, if the course is primarily given
with Arc, showing students how easily similar operations can be conducted
in a differnent tool - your course might give 'proficiency' in a main tool
of
Also, for what it's worth, I developed the tutorial you're referencing (
http://mltconsecol.github.io/QGIS-Tutorial/). Note- it hasn't been
updated since version 2.12 (when I was last developing it for teaching
material) - thus, the operations should generally work as described, but
there may
There actually is a plugin to call on NVIDIA CUDA-enabled GPUs, called CUDA
Raster - not sure if it will work on Macs, as it is 'Only tested to work on
linux machines', but worth looking into
You can find the project in the plugin repository; the github page for it
is here:
.)
Learning new stuff every day :-). Glad to find this so easy to do!
On Thu, Oct 13, 2016 at 4:35 PM, Michael Treglia <mtreg...@gmail.com> wrote:
> Hi All,
>
> I'm working to create a map of a pretty linear area that runs ~30 degrees
> off of N.
>
> In addition to the
Hi All,
I'm working to create a map of a pretty linear area that runs ~30 degrees
off of N.
In addition to the focal area, I have some bordering regions (e.g.,
counties) that I want displayed, just to help show context. .
I was playing around with rotating the map in the print composer, and it
GeoPackage might have some utility - especially in being able to package up
data and share it (http://www.geopackage.org/). I haven't used it at all,
but have thought about it as I'm trying to make data more usable across
users and platforms... (It stores data in a SQLite db, and has support via
Hi All,
the below e-mail came across the r-sig-geo listserv, but thought it would
be of interest to QGIS users too.
Best,
mike
-- Forwarded message --
From: Richard Barnes
Date: Mon, Aug 29, 2016 at 4:58 PM
Subject: [R-sig-Geo] ArcGIS File Geodatabase Format
To:
I used to use Manifold a lot, as that's what I originally learned on.
Still would, but been making a concerted effort to stick with FOSS tools.
But yes, Manifold has, and seems to be further developing their GPU
capabilities. Mike Sumner has even been developing an R package to
interface with
aybe I’m mistaken. Thanks again in advance for your trouble!
>
>
>
> Best regards,
>
> Douwe
>
>
>
> *Van:* Michael Treglia [mailto:mtreg...@gmail.com]
> *Verzonden:* dinsdag 14 juni 2016 17:27
> *Aan:* Douwe van Rees <douwevanr...@xs4all.nl>
> *CC:* qgi
The file should come with a .img file - as noted in a stack exchange
answer, "The ige file is just an indexing file to address large files that
exceed 32bit addressing space. The file that you work with is the img." (
http://gis.stackexchange.com/questions/55299/mysterious-problems-with-ige-file
)
le.com/gdal-dev-OGR-How-to-access-Coded-Value-Domains-in-File-Geodatabases-td5180262.html
> ) either, it's in a GDB_Items table in the geodatabase and isn't easy to
> access without some amount of work.
>
> Not exactly an answer, but more info, cheers,
>
> Justin
>
> On Mon, Ju
Hi All,
I'm trying to work with a planimetric dataset available here:
https://data.cityofnewyork.us/Transportation/NYC-Planimetrics/wt4d-p43d,
which is available in a FileGDB format.
When I load the layers from the gdb in QGIS, some fields are field with
numeric values (e.g., entries in the PARK
If you're comfortable with R at all, that functionality is in the 'aspace'
package (function 'calc_sde')
https://cran.r-project.org/web/packages/aspace/
Hope that helps!
mike
On Thu, May 19, 2016 at 10:04 AM, Philip Pierdomenico
wrote:
> I have never found an analogous tool
Ah, didn't google hard enough before - Solved my problem by Creating
Spatial Index, following solutions here:
http://gis.stackexchange.com/questions/131996/shapefile-layers-in-qgis-dont-display-unless-i-zoom-out
Cheers and have a great weekend,
MIke
On Fri, Mar 25, 2016 at 3:57 PM, Michael
Hi All,
I am working with a very large polygon shapefile (~100,000 objects), and
the data import just fine, but when I zoom in, many objects just don't
render once I zoom closer than a certain scale. Are there any rendering
settings I should try to adjust or anything?
I tried this with 2.14 on
Hi Ashish,
Can you please elaborate on what you did? What tool were you using, and
exactly what was your goal? (Was it something through the processing
toolbox? Or the main functions in QGIS?)
These errors kind of look like what I've seen when I use SAGA GIS through
the processing toolbox and
move Processing plugin from your user directory,
> e.g. /Users/evan/.qgis2/python/plugins/processing
>
> 2016-02-03 21:02 GMT+02:00 Michael Treglia <mtreg...@gmail.com>:
> > Hi All,
> >
> > I have a student trying to work with QGIS on a Mac and is having trouble
> >
Hi All,
I have a student trying to work with QGIS on a Mac and is having trouble
starting the Processing Plugin; I'm primarily Windows & Ubuntu user and
thought some Mac users on the list might have some trouble-shooting tips I
can recommend. (It might be something simple - I just haven't
Hi Richard,
I think that's a good suggestion, as I've had the exact same experience
with new users (and it creates some desktop clutter).
As a regular QGIS user, I actually tend to remove the icons other than qgis
desktop and open up anything else I need via start menu or command line.
Thanks!
lean QGIS start each time.
> >
> > Regards,
> > Nathan
> >
> > On Tue, 12 Jan 2016 5:25 am Michael Treglia <mtreg...@gmail.com
> > <mailto:mtreg...@gmail.com>> wrote:
> >
> > Thanks Alex,
> >
> > Good point about Clone
Hi Everybody,
I'm updating some training material I use in a course, and want to make
sure I'm viewing things as new users with a clean install would (while
maintaining a copy with everything as I want it configured). I've figured
out a way to do this, but wanted to see if others have a better
gt; On 01/11/2016 10:59 AM, Michael Treglia wrote:
> > Hi Everybody,
> >
> > I'm updating some training material I use in a course, and want to make
> > sure I'm viewing things as new users with a clean install would (while
> > maintaining a copy with everything as
Hi Sam,
Important point of clarification: Do you want all of the individual pixel
values? Or aggregate statistics, like min/max/mean/med...?
For the latter, there are a few tools you can use. I typically use a tool
in the Processing Toolbox, implemented in SAGA: Go to Processing Toolbox -
> SAGA
Hi All,
I'm trying to work with the Global Soil Dataset for Earth System Modeling
(available at: http://globalchange.bnu.edu.cn/research/soilw) and having
mixed success with the netCDF files - wanted to get any thoughts from folks
here as I'm pretty new to working with this format, and running
-mail) is GDAL 1.11.2
Any thoughts on this are appreciated - thanks again!
mike
On Fri, Jun 19, 2015 at 11:02 AM, Michael Treglia mtreg...@gmail.com
wrote:
Hi All,
I'm trying to work with the Global Soil Dataset for Earth System Modeling
(available at: http://globalchange.bnu.edu.cn/research
Hi Luciano,
the file that can be opened in notepad is probably has a header of
something like:
ncols
nrows
xllcorner
yllcorner
cellsize
NODATA_value
Followed by the values from your raster next, right?
If so, that is the .asc file that you want - when I export the .asc file
(running QGIS 2.8.1
to be something
wrong either with my OS or my version of QGIS. By the way, I am using the
latest version of QGIS (2.2.0 Valmiera).
Best,
Luciano
El 5/20/2015 a las 1:47 PM, Michael Treglia escribió:
Hi Luciano,
I'm bringing this back to the list so others can chime in and follow
this thread
PM, Michael Treglia escribió:
Hi Luciano,
the file that can be opened in notepad is probably has a header of
something like:
ncols
nrows
xllcorner
yllcorner
cellsize
NODATA_value
Followed by the values from your raster next, right?
If so, that is the .asc file that you want - when I
Hi Patrick,
I haven't had experience with using the intersect tool in QGIS, but looks
like a spatial query (with the Spatial Query Plugin) can do what you want -
see a tutorial here, starting around step 22:
http://www.qgistutorials.com/en/docs/performing_spatial_queries.html
(after you get the
because it depend on Grass 6.4 or Saga? When i run processing -- zonal
statistics noting happens but say I shoukld check the log, but the
log-window does not show anything.
2015-04-20 2:23 GMT+02:00 Michael Treglia mtreg...@gmail.com:
Also, theres a utility in SAGA, implemented within
Also, theres a utility in SAGA, implemented within the Processing toolbox.
See SAGA - Shapes - Grid - Grid statistics for polygons
Lets you calculate:
* Number of Cells
* Minimum
* Maximum
* Range
* Sum
* Mean
* Variance
* Standard Deviation
* Specified Quartiles
Hope that helps,
mike
On Sun,
Hi All,
Was encountering a similar problem with Raster Calculator [albeit a bit
different] just yesterday - I had a layer that had values ranging ~0-1000
(integers). I wanted the layer to represent probability values (ranging
0-1), so I used the raster calculator to divide it by 1000.
I ended up
Hi All,
I had a raster output from a kernel density estimate I produced in R (using
the adehabitatHR package). I imported the layer to QGIS, and it displays by
default without any issue (Rener type: Singleband Gray).
However, when I try changing this to color (Render type: Singleband
Nicolas,
Thanks for the quick response. I might be mis-understanding your
suggestion, so let me know if that seems to be the case.
The problem isn't specifying the min/max values (Loading the Min/Max values
from the raster is not a problem). The problem is that the color ramp
doesn't seem to
Hi All,
Was wondering if anybody knows of any plugins [or built-in features] for
doing contiguous units analysis, such as Paired Quadrat Variance, Blocked
Quadrat Variance, etc. Any suggestions are welcome, as I haven't found
anything for this in my searches yet.
Best,
Mike
Thanks Nicolas - I've been searching around, and can't find anything quite
as 'canned' as I was hoping.
In R, I think I could use 'quadrat' functions of the spatstat package, but
as far as I can find, I'd have to write my own functions for these analyses
around those tools.
-Mike
On Mon, Feb 2,
something
similar to enblend/enfuse (http://enblend.sourceforge.net). I don't
think that enblend/enfuse keeps my georefencing - or does it?
Andreas
On 10.12.2014 16:10, Michael Treglia wrote:
Hi Andreas,
Do you mean that you want to effectively create a stack of rasters (i.e.,
multi-band
Reviving this thread... I was running into similar issues, despite having
the necessary packages installed. Trying to provide useful info for
others who run into this.
I went into the processing History and Log to look at the R execution
console output for error messages and and ran the same
Huh, Thats strange - I just loaded a .img of a DEM on 2.6.1 (x64, Win 7)
without issue.
If you want to try with the same type of file that I used, you can download
any of the .zip files here:
ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/13/IMG/
Are you able to load other raster
Andreas,
You're running 64bit SAGA, right? (if not sure, click the question mark on
the menu bar, and click About - should be towards the top).
I actually like SAGA because I can throw pretty giant files at it. Just to
test out and make sure, I just loaded in a 10GB GeoTIFF with integer
values,
Hi All,
I was trying to export a fine-scale map (total extent ~75m x 75m) that had
Google Satellite layer from the OpenLayers plugin. It took a bit to render
in the map viewer and print composer, but wasn't unreasonable.
However... At that resolution, I haven't been able to export the map from
Hi Juan,
To display a PostGIS Raster in QGIS, I think you need to use the Database
Manager plugin (DB Manager). If you have it installed/activated, you
would access it from the Database tab in the menu bar at top. (I'm on
QGIS 2.6 and 2.4, but I'd imagine its the same for 2.0).
Is that what
Hi Massimiliano,
Regarding the Home Range Plugin, on Windows it looks like you need QGIS
1.7.3, and possibly an earlier version of R. I haven't tried, but I would
suspect that as long as you install the old (deprecated) adehabitat package
in R, it might work with a newer version of R.
I found
Just to clarify, the goal is to to effectively map the ridges and furrows?
Or am I missing something?
If there's high resolution orthoimagery, you could try to use standard
image classification techniques to classify the ridges and furrows. They're
visible enough on Google Earth that I bet it's
Hi Marilena,
In my experience it seems that if the source data (i.e., original
shapefiles and such) are kept in the same folder location relative to the
.qgs file, the .qgs files should open fine. If you can't do that for some
reason, I don't know what to do, but that might be useful to learn.
though.
Best,
Mike
On Tue, Jul 29, 2014 at 5:19 AM, Paolo Cavallini cavall...@faunalia.it
wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 07/26/2014 07:21 PM, Michael Treglia wrote:
HI Stefan and others,
Thanks for your thoughts and feedback! It would definitely be
great
In 2.4 for me, it is in the bottom of the window/pane that pops up when I
select the identify tool, as mode
Hope that helps,
mike
On Mon, Jul 28, 2014 at 4:15 PM, Andrea Peri aperi2...@gmail.com wrote:
Hi,
In the qgis 2.2 in option-map tools there was the option to set
the mode of identify
(because identify isn't available) if a group
is selected instead of a layer in the TOC. If you confirm this I consider
it a bug.
giovanni
2014-07-28 22:30 GMT+02:00 Michael Treglia mtreg...@gmail.com:
In 2.4 for me, it is in the bottom of the window/pane that pops up when I
select the identify
you tried to create a group and select it in the Legend? Identify is
not avaiable. I'm on a master build right now.
2014-07-28 22:39 GMT+02:00 Michael Treglia mtreg...@gmail.com:
Hmm, weird - what's your setup? I'm on QGIS 2.4, and its working fine for
me on both 64 and 32 bit installs, on Win7
2014-07-28 22:58 GMT+02:00 Michael Treglia mtreg...@gmail.com:
I just created a group of line- based vector layers and the Identify tool
is available. What do you mean by the Legend? (If you mean the Identify
Results pane, I just noticed that the View menu gets grayed out.
mike
On Mon
HI Stefan and others,
Thanks for your thoughts and feedback! It would definitely be great to
have a subsite on QGIS.org, dedicated to tutorials and such (you meant
separate from the Documentation page, right? Or am i misunderstanding?).
I'm sure there's a lot of duplicate work going on to
Hi All,
I've Googled around, and it seems like this isn't currently possible, but
wanted to check with folks on this list for any solution...
A lot of data being produced by agencies is now available only as ESRI .gdb
files. A dataset I'm particularly interested in working with is a gridded
soil
:
Le jeudi 24 juillet 2014 18:19:14, Michael Treglia a écrit :
Hi All,
I've Googled around, and it seems like this isn't currently possible, but
wanted to check with folks on this list for any solution...
A lot of data being produced by agencies is now available only as ESRI
.gdb
too. So no closed-source or
open-source
solutions for raster yet.
Thanks,
Alex
On 07/24/2014 12:56 PM, Michael Treglia wrote:
Hi Even,
Thanks a lot for the quick response - I really appreciate your work in
dealing with the GDB files!
That sounds great! Let me know
Manuel,
Is it giving you any specific error? Or just not run? Or is it freezing up
QGIS?
One thing to try is to make sure it is looking to the appropriate folder
for GRASS - especially if you changed versions of QGIS and GRASS in your
latest OSGEO4W update. To do that:
1) Go to the Processing
?
On 11 Jul 2014, at 01:24, Michael Treglia mtreg...@gmail.com wrote:
Hi All,
I'm teaching a small workshop with QGIS, and some of the participants
are using Macs - I haven't gotten to try it out too much, and generally
things seem to be working okay. But, one of the few Macs I was able to try
Hi All,
I'm teaching a small workshop with QGIS, and some of the participants are
using Macs - I haven't gotten to try it out too much, and generally things
seem to be working okay. But, one of the few Macs I was able to try it on
had the following issue (running OS 10.8.5):
When trying to use
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