Hello GeoTools gurus out there,
Please help me display WMS and shapefile contents in the same MapContext. I am
having trouble adding a WMS layer to MapContext. When I tried to run the
example code, WMSLab:
http://svn.osgeo.org/geotools/trunk/demo/example/src/main/java/org/geotools/demo/WMSLab.java
I selected the NASA WMS server:
http://wms.jpl.nasa.gov/wms.cgi?Service=WMS&Version=1.1.1&Request=GetCapabilities
and the Blue Marble Next Generation, Global MODIS derived image.
The renderer failed and spit out the following error:
http://wms.jpl.nasa.gov/wms.cgi?SERVICE=WMS&LAYERS=BMNG&EXCEPTIONS=application/vnd.ogc.se_inimage&FORMAT=image/png&TRANSPARENT=TRUE&HEIGHT=200&REQUEST=GetMap&BBOX=-180.0,-90.0,180.0,90.0&WIDTH=400&STYLES=&SRS=EPSG:4326&VERSION=1.1.1
get map completed
16/02/2010 5:48:03 PM org.geotools.renderer.lite.StreamingRenderer paint
SEVERE: null
java.lang.NullPointerException
at
org.geotools.renderer.lite.StreamingRenderer.queryLayer(StreamingRenderer.java:768)
at
org.geotools.renderer.lite.StreamingRenderer.processStylers(StreamingRenderer.java:1760)
at
org.geotools.renderer.lite.StreamingRenderer.paint(StreamingRenderer.java:690)
at org.geotools.swing.RenderingExecutor$Task.call(RenderingExecutor.java:148)
at org.geotools.swing.RenderingExecutor$Task.call(RenderingExecutor.java:104)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Any idea what I have done wrong? Is using MapContext the correct way to
combine multiple WMS and shapefile contents?
Thank you very much.
Regards,
Tawan
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