Not sure, do you want to try "gdalinfo" on one of your rasters and confirm the number of bands available?
-- Jody Garnett On 16 September 2015 at 18:01, Gabriella Turek <gabriella.tu...@niwa.co.nz> wrote: > I have some rasters (PNGs) that when I try to re-style give me the error > > Sep 17, 2015 12:54:31 PM > org.geotools.renderer.lite.StreamingRenderer$RenderRasterRequest execute > WARNING: Band number 3 is not valid. > java.lang.IllegalArgumentException: Band number 3 is not valid. > at > org.geotools.renderer.lite.gridcoverage2d.ColorMapNode.visit(ColorMapNode.j > ava:148) > at > org.geotools.renderer.lite.gridcoverage2d.RasterSymbolizerHelper.visit(Rast > erSymbolizerHelper.java:220) > at > org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.symbolize(Gr > idCoverageRenderer.java:464) > at > org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.renderCovera > ge(GridCoverageRenderer.java:438) > at > org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.renderImage( > GridCoverageRenderer.java:386) > at > org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.paint(GridCo > verageRenderer.java:1141) > at > org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.paint(GridCo > verageRenderer.java:1103) > at > org.geotools.renderer.lite.StreamingRenderer$RenderRasterRequest.execute(St > reamingRenderer.java:3494) > at > org.geotools.renderer.lite.StreamingRenderer$PainterThread.run(StreamingRen > derer.java:3667) > > when I set the style on the layer. I am not too cognisant of rasters, what > am I doing wrong? > What would be the best approach to style this particular type of raster > (if at all) and if so, how do > interrogate the grid coverage to find out how to go about styling? > I cannot catch this exception as it is not percolated to the where I can > catch it so my whole map rendering goes haywire. > Thanx > Gaby > > > ------------------------------------------------------------------------------ > Monitor Your Dynamic Infrastructure at Any Scale With Datadog! > Get real-time metrics from all of your servers, apps and tools > in one place. > SourceForge users - Click here to start your Free Trial of Datadog now! > http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 > _______________________________________________ > GeoTools-GT2-Users mailing list > GeoTools-GT2-Users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >
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