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Re: [udig-devel] Get feature on mousePressed method
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Here is the example I mentioned earlier:
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http://svn.refractions.net/udig/udig/trunk/tutorials/net.refractions.udig.tutorials.examples/src/net/refractions/udig/tutorials/examples/PickTool.java
You should be able to pick up all the helpful advice Jesse mentioned in the code there :-)
Jody
On Thu, Feb 12, 2009 at 5:30 PM, Jesse Eichar
<jesse.eichar@xxxxxxxxxxxxxx> wrote:
The ToolContext (obtained using the getContext() method) has methods for generating Boundingboxes in the correct project. Remember that when doing a spatial query on a layer the filter must be in the same projection as the layer (at least for now). So take a look at the context and the layer object for assistance creating the bounding box. The idea of a bounding box filter for a mouse click the point that a pixel covers a lot of ground in the map so you do a BBox query to get the features that intersect with that pixel.
Jesse
On 11-Feb-09, at 6:08 PM, Emily Gouge wrote:
A feature source can take a filter so instead of asking for all features [source.getFeatures()] you can make a filter and only ask for features within that filter [source.getFeatures(myFilter)].
I believe the context associated with your tool should have a getBoundingBox(...) function that should return a bounding box around where the user clicked. You can then use a FilterFactory class to create a filter.
Have a look at the info tool; it sounds like you are doing something similar.
Emily
Alessandro Sferrazza wrote:
Hi uDig'gers!
I have a Class that extend AbstractEditTool.
I need to get the feature selected by clicking on the map, in the
method mousePressed of my class so that I can modify its attributes.
I have worked on the following code
IMap map = ApplicationGIS.getActiveMap();
FeatureSource source=map.getEditManager().getSelectedLayer().getResource(
FeatureSource.class, new NullProgressMonitor());
FeatureCollection collection=source.getFeatures();
But it retuns all the features on Selected layer and not the 'Clicked'
single one.
Regards
Alessandro Sferrazza
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User-friendly Desktop Internet GIS (uDig)
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_______________________________________________
User-friendly Desktop Internet GIS (uDig)
http://udig.refractions.net
http://lists.refractions.net/mailman/listinfo/udig-devel
_______________________________________________
User-friendly Desktop Internet GIS (uDig)
http://udig.refractions.net
http://lists.refractions.net/mailman/listinfo/udig-devel
