Hi
I am trying to display a map from a web map server.
With some WMS the following code works:
GridCoverageFactory gf = new GridCoverageFactory();
CharSequence cs = "test";
ReferencedEnvelope env = new ReferencedEnvelope(x1,x2,y1,y2, crs);
gridCoverage = gf.create(cs, wmsImage, env);
StyleFactory sf = StyleFactoryFinder.createStyleFactory();
StyleBuilder sb = new StyleBuilder(sf);
Style style = sb.createStyle(sf.createRasterSymbolizer());
context = new DefaultMapContext();
context.addLayer(layer, style);
In some cases I get the following exception, although I get a valid
image from the WMS :
java.lang.IllegalArgumentException: Band number 3 is not valid.
at
org.geotools.coverage.TypeMap.getColorInterpretation(TypeMap.java:522)
at
org.geotools.coverage.grid.Grid2DSampleDimension.getColorInterpretation(Grid2DSampleDimension.java:363)
at org.geotools.cv.SampleDimension.fromGeoAPI(SampleDimension.java:1502)
at org.geotools.gc.GridCoverage.fromGeoAPI(GridCoverage.java:1697)
at
org.geotools.renderer.j2d.RenderedLayerFactory.createRecoloredGrid(RenderedLayerFactory.java:514)
at
org.geotools.renderer.j2d.RenderedLayerFactory.processSymbolizers(RenderedLayerFactory.java:467)
at
org.geotools.renderer.j2d.RenderedLayerFactory.create(RenderedLayerFactory.java:257)
at
org.geotools.renderer.j2d.StyledMapRenderer.addLayer(StyledMapRenderer.java:186)
at
org.geotools.renderer.j2d.StyledMapRenderer.setMapContext(StyledMapRenderer.java:133)
Thanks for any help.
Rainer
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