Optionally the user can choose to export a World File (.wld) to provide basic georeferencing support. When used with the transparency flag this can create images useful for KML, TMS, or WMS overlays. (e.g. for use in Google Earth or as OpenLayers tiles) If output is redirected to stdout, the world file will be called png_map.wld.
Export of the soil map to PNG format with world file:
g.region raster=soils_Kfactor -p # export PNG file with additional world file r.out.png input=soils_Kfactor output=soils_Kfactor -w # verify gdalinfo soils_Kfactor.png
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