[Please keep the discussion on the list] On 04/07/11 23:32, Luisa Peña wrote:
Thanks Moritz as soon as I arrive to my office I will give a try. But, for instance, how can I associate those files? I mean, I export myu geotiff as A.tif and my csv as B.csv. How can a GIS software recongize that they are associated with each other?
You would have to find a raster file format which supports this. I don't think geotiff allows you to store the labels, although maybe it is possible within the metadata, but then I'm not sure many programs would recognize this information (e.g. see metadata on colors which GRASS puts into a geotiff but which QGIS does not seem to recognize). Some of the raster formats with header files might allow this, but I don't know.
And as each program handles the information differently, it is often easier to provide the info as separate text files and have the user then import them into their program according to its mode of operation.
Moritz
Thanks 2011/7/1 Moritz Lennert <[email protected] <mailto:[email protected]>> On 01/07/11 15:18, Luisa Peña wrote: Uhm. If this is not possible, how can I export a raster map with labels in a legend? In my experience, the classical way would be to export your raster map into the desired format and then export the labels as a separate legend (text) file with r.category. E.g.: r.out.gdal landclass96@PERMANENT type=Int32 out=myraster.tif r.category landclass96@PERMANENT fs=";" > myrasterlegend.csv and possibly: r.colors.out landclass96@PERMANENT rules=myrastercolors.txt Moritz
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