is irrelevant to your code. Have a look at
http://docs.geotools.org/latest/userguide/library/coverage/grid.html to see
how to handle raster data in GeoTools.
Ian
2013/1/11 Ian Turton ijtur...@gmail.com
As far as I can see your problem is that you decided to use JAI directly
instead of calculating NDVI
On 3 December 2012 12:25, Fritz Richter rich...@rich-and-high.com wrote:
Hi everyone,
it is pretty stange. I'm playing with my setup for hours, and still can
not make it work.
I'm trying to save a feature to my postgis database. Actually almost
everything is working, except the featureId,
On 2 November 2012 07:08, Sugandha Naolekar sugandha@gmail.com wrote:
Hello!
I am trying to perform an intersect operation with Multipolygon as a Base
layer and MultiLineString as a Data layer.
Also, please find attached code.
Somehow, when I run the code, I am getting an exception
On 26 October 2012 04:37, Philippe Apparicio pappari...@gmail.com wrote:
Hi all,
I have begun recently to use GeoTools. I want to draw several deviational
ellipses and calculate next their intersection and union. I found the
methods for calculating the union and intersection within the
it - it really is essential to using GeoTools
for anything. Then work through the query tutorial
http://docs.geotools.org/stable/tutorials/filter/query.html
Ian
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Everyone hates slow websites. So do we.
Make your
, get the coordinate for that pixel, and
assign a value for the pixel?
Have a look at http://code.google.com/p/spatial-cluster-detection/ for
an example of generating rasters from circles - Points should be a
fairly simple simplification of the method :-)
Ian
--
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On 3 October 2011 10:23, Jody Garnett jody.garn...@gmail.com wrote:
Nick and Harshad:
Thanks to both of you; I will take you both up on that collaboration for a
graph tutorial.
I am working on a release today; but I agree the graph module seems to be
responsible for a lot of questions on the
Is it possible that you have X Y the wrong way round? That is
usually what I've done when non square coverages get index out of
bounds errors.
Ian
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On 11 July 2011 11:15, lexmc lexm...@gmail.com wrote:
No one have a suggestion???
Your database table doesn't have it's SRID/CRS set properly. Refer to
the MySQL documentation for more help.
Ian
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All of the data
On 11 July 2011 15:53, lexmc lexm...@gmail.com wrote:
I have to set the srid from mysql client???
well yes - how else can GeoTools work out what the numbers mean?
Ian
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All of the data generated in your IT
will contain a geometry object that you can then use.
Ian
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All of the data generated in your IT infrastructure is seriously valuable.
Why? It contains a definitive record of application performance, security
the GeoServer log if no where
else) and then run it in a browser window to see if it is being
created correctly.
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/pngREQUEST=GetFeatureInfoBBOX=-139.84870868359,18.549281576172,-51.852562316406,55.778420423828WIDTH=780HEIGHT=330STYLES=SRS=EPSG:4326QUERY_LAYERS=topp%3AstatesVERSION=1.1.1
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that converts coordinates in
pixels?
I think that it extends MouseEvent which will give you getX() and
getY() methods which should give you the pixel positions.
Ian
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You need to have a list of layers and a list of Query_Layers (and all
the layers in query_layers must be in layers). See
http://portal.opengeospatial.org/files/?artifact_id=1058 for more
details.
Ian
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On 23 March 2011 07:46, mounir younes mounir.you...@gmail.com wrote:
Hello everyone ! I need to scale a shapefile ! I need to resize it and make
it smaller ! can someone help ?!
In what way smaller? a smaller file size or a smaller map?
Ian
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On Thu, Feb 17, 2011 at 8:59 AM, Farrukh Najmi
farr...@wellfleetsoftware.com wrote:
Hi Guys,
Any word on this? BTW, Ryan's email a few emails later on the list asks
essentially the same question AFAICT:
Did you include an epsg factory jar? See the example at
using the
free AWS machines with limited disc space or just for people with a
limited amount of space on their install.
There is a java API http://code.google.com/apis/fusiontables/ which
seems at first glance to allow basic SQL (-like) requests.
Ian
--
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either.
Accessing jar files in webstart is (or at least was) a bit of a
nightmare so I'd avoid it if you can.
Ian
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On Thu, Jan 6, 2011 at 4:14 PM, mounir younes mounir.you...@gmail.com wrote:
Hello Guys, I just wanted to ask what is the difference between the
user guide by Jody Garnett
http://docs.codehaus.org/display/GEOTDOC/Home
was lasted edited in 2008
or the manual by Adrian Custer
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On Tue, Dec 21, 2010 at 8:49 PM, Michael Bedward
michael.bedw...@gmail.com wrote:
There was some discussion of a WritableGridCoverage2D class a while
ago between Simone, myself and other list members. It got as far as a
(very) basic example in the demo module
coords instead of image coords?
Ian
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On Tue, Dec 21, 2010 at 12:56 PM, Andrea Aime
andrea.a...@geo-solutions.it wrote:
On Tue, Dec 21, 2010 at 4:29 PM, Ian Turton ijtur...@gmail.com wrote:
That's the sort of thing I was trying, is there a way to do this with
world x,y coords instead of image coords?
I think that is normally
://www.google.com/search?q=open+source+geocoder
Ian
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if there is an easier way to do this?
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On Wed, Dec 1, 2010 at 10:15 PM, Michael Bedward
michael.bedw...@gmail.com wrote:
Cool ! Thanks Ian.
Just compiled it (added FunctionTestSupport class) and all went well.
So far all I've done is look at the unit tests to see what it does. I
think it would be a very handy addition to gt-main.
/geotools-gt2-users
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a Shapefile so I don't
think it is going to be possible.
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2010/9/30 Oleg Evdakov evda...@iwg.uka.de:
Am 30.09.2010 16:09, schrieb Ian Turton:
2010/9/30 Oleg Evdakovevda...@iwg.uka.de:
Dear All,
Is it possible to create shapefiles (*.shp and other related files) in
OutputStream without writing them to filesystem?
You'd need some way to tell
a GeoDatabase then you are stuck using ESRI tools, alternatively
you could use an open standards based solution such as PostGIS to
store your data.
Ian
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to say why you get any answer as opposed
to say an InvalidArgument Exception.
Basically this comes down to the earth being round and the screen being flat.
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),
filterFactory.literal(1.0f));
A width of 1 is the default so there is no need to write it out. Try
setting it to something else and you should see it written out
(anything else is a bug and should be reported I think).
Ian
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library.
I don't think you need to do a conversion, assuming the points are in
the same projection as the polygons JTS and GeoTools will be fine.
Ian
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% discount at amazon) - academic publishers are mad, apparently
they have to charge that much because hardly anyone buys their books
even though they get the content for free.
I'll add a blog post on that to my list of todo blog posts,
Ian
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competency for GIS
professionals. But this week I'm busy with GeoServer docs for the
OSGEO-LIVE DVD.
Ian
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The Palm PDK Hot Apps Program offers developers who use the
Plug-In Development Kit to bring their C/C
). If other databases provided a
similar function they could be extended in a similar way.
For shapefiles and memory stores it might be worth leveraging Lucene
but to be honest I'm not sure that people should be considering that
sort of query against large shapefiles etc.
Ian
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in examples is mostly my fault as
that is where I was working.
This series of posts by Tyler may help -
http://www.geowebguru.com/articles/201-choosing-a-map-projection-part-1
Ian
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there is a parameter to turn that off (try googling it).
is there another projection I could try?
One of the UTM ones may work. Try browsing http://spatialreference.org
to see what looks good.
Ian
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On Sun, Jun 20, 2010 at 8:19 PM, Jody Garnett jody.garn...@gmail.com wrote:
There is already a FAQ; and for common questions a set series of wiki pages
to hand out...
Hmm - there is mention of a faq at http://docs.geotools.org/ but no
link to it. Googling GeoTools FAQ turns up a link (along
answers (but not
until next week as it's the end of term on Wednesday so I have marking
to do this week).
Ian
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You are a very rude person!
Please stop spamming the list with stupid questions multiple times - I don't
know if you have heard of it but there is a very useful tool on the internet
called Google that allows you to search to see if a question has been asked
before I suggest you use it in future
and zoom to full extent.
Feel free to change the code to do something else if that is what you need.
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Also you don't say how you create your featureBuilder - do you use the
schema from the shapefile?
Ian
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On Mon, Jun 14, 2010 at 12:00 AM, Jody Garnett jody.garn...@gmail.comwrote:
Does open street maps publish a WMS? If so what is the link?
http://data1.vizure.net/server/services/osm.xml
Ian
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Congratulations you now have the information you need to proceed with the
CRSLab (http://docs.geotools.org/stable/userguide/examples/crslab.html). If
when you have worked through that page you still have questions please post
them here.
Ian
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.
When and only when you have worked this out will we be able to sort out your
code for you.
Please stop spamming the list with code until you work out some geography.
May be http://en.wikipedia.org/wiki/Map_projection this will help you out.
Ian
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graph
(http://www.citeulike.org/group/9502/article/6600150) that is on my to
do list (but quite low down it :-) I can mail a copy of the PDF to
anyone who's interested.
Ian
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+Examples (at the end).
Ian
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be using to maintain accuracy.
Someone else may be able to help you with that, I don't know if our
filters handle projections well (at all?).
Ian
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Geotools-gt2
implementation jar to be present
when using GeoTools to do any CRS work but I haven't played with
projections for a while.
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and then pass it's graphic to the renderer.
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/long so you probably need to be converting
to/from a projection like EPSG:4326 (see
http://spatialreference.org/ref/epsg/4326/ for more details).
Ian
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to me - use file.toURL instead to get a working URL.
Ian
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See why
will need to add the points to a layer and then style them before
adding them to the map context.
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On Thu, Apr 8, 2010 at 2:22 PM, tor...@gmx.de wrote:
Hi,
can you please tell me the best way to calculate the center point between
two other given points with latitude and longitude?
x=(x2-x1)/2 y = (y2 - y1)/2
Or did you mean something else?
Ian
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the same projection?
Ian
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,
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swing book. I'm seeing this on a Vista 64 bit machine btw.
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).
I can confirm that I have seen this bug too - I was planning on putting it
in JIRA when I had more time to see what was happening.
Ian
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If you use a LinePlacement instead of a PointPlacement then the label
will align with the line and save you calculating the angle for each
label.
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On Thu, Sep 3, 2009 at 10:02 AM, Julian
Hagenauerjulian.hagena...@gmx.de wrote:
Hi,
sorry for writing again. I hope i did not made it onto your ignorelist :-)
Ok, because i can not solve my troubles with the wfs i decided to switch to
postgis. So good, so fine.
Unfortunately my bbox-query
/public_building.png into your browser?
My guess would be you need a 8080 in there.
You can always allow for this sort of thing happening by specifying a
list of external graphics and a final mark in the SLD. See
https://www.e-education.psu.edu/geog585/l5_p6.html
Ian
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http
of this icons must be blinking...
That probably isn't possible and is also not really a good idea -
could you draw a larger or more colourful border to your points.
Ian
--
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http://www.geotools.org
http://pennspace.blogspot.com
support REST webservices but I'm not
sure
You could use SOAP to send the SLD file to a servlet which writes it
to a specific location and then you could use that URL to refer to the
style in your WMS request.
Ian
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On Mon, Jun 22, 2009 at 5:58 AM, Modyelmod...@gmail.com wrote:
Hi,
I would like to send a sld file and save it into any wms. Is it possible to
do that with Geotools labaries?
I've tried with that wms.createPutStyleRequest but there is an error
which means that the operation is not
On Wed, Jun 17, 2009 at 4:45 PM, ATIluong8...@hotmail.com wrote:
Hi,
i am looking at the MapViewer demo in relation to my project and taking
ideas from their into mine, in particular the load function. At present,
the application uses a file-open technique where the user selects the .shp
?
No - as you will see in MapViewer it is easy to style and display a
shapefile (really you need to forget about the dbf file - it's just
part of the shapefile).
Ian
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On Sat, Jun 13, 2009 at 7:24 AM, ATIluong8...@hotmail.com wrote:
Once i have the sld file and parsed it, what do i do next, and how, inorder
to display the roads from my .dbf onto my app?
Any suggestions.
Look at the MapPane demo - it reads in a shapefile and an SLD file and
displays them.
.
If it's code then I'm less able to help, but it may be you are looking
at the concept wrong. You are not in fact trying to render text from a
dbf file but are trying to render a string attribute from your
features. That may help.
Ian
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On Tue, May 19, 2009 at 3:29 PM, nvidia luong8...@hotmail.com wrote:
Hi,
i am currently using geootools with JMapPane. I've noticed that when
i use the JMapPane, i see a cross hair which seem fine to me. However, when
i drag and click on the JMapPane, i am able to draw boxes. How can
On Tue, Apr 14, 2009 at 10:48 AM, Yanaris Jorge Aguirre
yanaris.jo...@dds.desoft.cu wrote:
Hi, I'm using a JMapPane control inside a frame. I make a zoom to the map
and when I resize, maximize, or minimize the frame the zoom's level is
loosed. I would like to maintain the zoom I had when I
to write a new map pane, JMapPane is meant to be an example
of how to do it not a production class.
Are there some plans for revisioning JMapPane class in near future relating
to this issues?
Not at present.
Ian
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On Tue, Jan 27, 2009 at 12:49 PM, nvidia luong8...@hotmail.com wrote:
Hi,
i'm using the tutorials to help me build my gis app to essentially diplay
my shapfile which is done by selecting the file name via java's file menu
item. I a number of files, 1 of which is called ConstructStyle.java
On Sat, Aug 23, 2008 at 5:17 PM, nvidia [EMAIL PROTECTED] wrote:
Ian Turton wrote:
On Sat, Aug 23, 2008 at 12:45 PM, nvidia [EMAIL PROTECTED] wrote:
Hi,
Is it possible to convert the maps on OpenStreetMap to shapefile? and
store this into a database? As the site does not provide any
.
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On Tue, Jul 15, 2008 at 2:34 PM, Tim Swanson [EMAIL PROTECTED] wrote:
I'm working on converting a code base from GeoTools 2.1M2 to 2.5M2. The
code that I currently have uses the StyledMapPane
(org.geotools.gui.swing).
This class doesn't exist in the current version, is JMapPane its
On Thu, Apr 10, 2008 at 4:45 AM, atanu moitra [EMAIL PROTECTED] wrote:
I have got a shape file (named as image.shp) where 3 diffrent points r
given. the name of the gif images are given in the Image field of image.dbf
file.
I want to show those images into JMapPane as an image layer. The
:-)
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) it's rather ugly; 2) this way I don't
know current scale.
Please help me, I have spend much time for it, but still can't solve
this problem.
I think you could listen to change events from the underlying
mapcontext, have a look in the demo of map pane for an example I
think.
Ian
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(), this.getHeight());
((Graphics2D) graphics).drawImage(baseImage, dx, dy, this);
}
lastX = x;
lastY = y;
}
.
Does that help you?
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) * height) / (double)
bounds.height)
+ mapArea.getMinY();
where mapArea is the envelope that represents the bounds of the viewing area.
See JMapPane.mouseClicked(MouseEvent e) for full code examples.
Ian
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On 9/17/07, Govardhan [EMAIL PROTECTED] wrote:
Dear Sir/ Madam,
I want to give arrow style in the lines (Road features). Is there any
way to do this in Geotools.. ??
use the (non standard) mark called arrow as a graphic stroke.
Ian
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On 9/4/07, Polyborus plancus Brasiliensis [EMAIL PROTECTED] wrote:
Hi,
Please, if somebody would help me. I want to do this: when the user
click on the map I want to select the features around, and I really
don't known how to do this.
Take a look at the JMapPane demo, there is a selection
();
double height = mapArea.getHeight();
double mapX = ((x * width) / (double) bounds.width) + mapArea.getMinX();
double mapY = (((bounds.getHeight() - y) * height) / (double)
bounds.height)
+ mapArea.getMinY();
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with geotools?
I think you are discovering why none of us bother with them :-)
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. My initial though was
that you had two symbolizers in one rule which would give this output but
you don't so I'm going for bug.
I'm not sure which renderer geoserver uses so I'm not sure how to proceed
with reporting this, Andrea do you know?
Ian
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On 6/13/07, Jody Garnett [EMAIL PROTECTED] wrote:
If you want to know the status of any module please check this page:
- http://docs.codehaus.org/display/GEOTOOLS/Module+Matrix
The mappane module is unsupported, and does not even have a page yet!
Ian Turton can you take care of this please
On 5/22/07, Ian Turton [EMAIL PROTECTED] wrote:
On 5/10/07, Justin Deoliveira [EMAIL PROTECTED] wrote:
Hi Ian,
Were you creating the geoapi filters using the FilterFactory? I believe
you are correct in that that interface has a dependency on geoapi
geometry. However the FilterFactory2
features
when I query a featureSource with it.
So am I missing something obvious or do I need to start stepping
through in a debugger to see whats really happening in side.
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filters without geoapi geometries.
That sounds right, I'll have a try with FF2 and see how it goes.
Thanks
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as I needed a GeoAPI geometry for my new (GeoAPI) filter
and was unable to find any way to create one, and none of the GeoTools
geometries seem to implement the GeoAPI interfaces. So I gave up and
went back to the deprecated filters.
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. I didn't find anything in GML document about the common point
of inner and outer rings.
That's definitely not allowed in which ever spec it is that defines
Polygons - I forget which spec JTS (and thus GeoTools) implements for
geometry.
Ian
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