Hi, OpenGeo asked me to look into getting a better GetLegendGraphics output for generic raster. In fact the current one is rather ugly: http://demo.opengeo.org/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=20&HEIGHT=20&LAYER=bluemarble
A colored R.... R what? Ah, "R"aster. However it's quite pixellated and does not really look professional. I've looked around to see what other software does... most of the time (ArcExplorer, ArcGis, OpenJump) there is really no icon at all. uDig as its own little icon. It's sure raster, but maybe a little too simple? See udig.png attached (coming from a screenshot). It's however better than the current R imho. Also tried to look into gvSig but could not make it work at all... with my own JDK it works fine but does not open raster files because it cannot initalize the custom gvSig GDAL extensions, with their own most dialogs are solid gray, which is a known issue on Ubuntu if you use any JRE 1.5. Oh well, if anybody has it working and finds they are using a nice icon, please report? Oh, there is also the icon that we're using in the GeoServer GUI of course. We could consider using that one as well, attached as raster.pngThe main issue I see with the above raster icons is that they don't scale, whilst GetLegendGraphic users can decide how big the icon is...
See for example: http://demo.opengeo.org/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=20&HEIGHT=20&LAYER=bluemarble http://demo.opengeo.org/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=40&HEIGHT=40&LAYER=bluemarble and compare with: http://demo.opengeo.org/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=20&HEIGHT=20&LAYER=topp:states http://demo.opengeo.org/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=40&HEIGHT=40&LAYER=topp:states I guess a better approach would be to have a SVG icon that we can paint at different scales (that would be a bit on the heavy site) or just go plain java2d if the icon is actually simple (like uDig one, but the one we use in GS is just a matter of writing a simple loop too) Thoughts? Cheers Andrea -- Andrea Aime OpenGeo - http://opengeo.org Expert service straight from the developers.
<<inline: udig.png>>
<<inline: raster.png>>
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