The rgb tag has no wiki summary.
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2answers
71 views
Multi-Band (RGBA) into single band raster
I have the raster which contains 4 bands (RGBA), which ilustrates the pupulation (traffic) density. I want to convert it to the simple gridded ascii, however I'm getting in the trouble when I try the ...
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1answer
204 views
How to force RGB in a raster in QGIS?
I have rasters in 1 band 64bits float that represent real data values and for which I can set min and max using the stretch to min and max option in QGIS.
I would like to convert these rasters to RGB ...
4
votes
1answer
562 views
ArcMap 10 - Extract raster cells from imagery based on RGB value
I've got some aerial photography (format: IMAGINE Image) which is detailed enough to see to fire hydrants and a shapefile of fire hydrants which was digitized based on some CAD data. My project is to ...
3
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0answers
138 views
How to symbolize vector features using RGB values stored in three fields?
I need to symbolize a vector layer in Arcmap based on RGB (or HSB - can do either) values found in fields in the attribute table. I'm working with up to 10 different datasets, each with over 100 ...
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1answer
1k views
GDAL: Convert specific RGB (GeoTIFF) color to transparent
I have an RGB GeoTIFF file and I want to convert a specific RGB colour to transparent. I would like to use GDAL for doing this, but external Python scripts are also an option (though I haven't learned ...
