Is there a way to export all values from a raster to for example a cvs or other textfile or dbf or xls and later import (changed) values from that file back into the raster? For vector-files this is no problem but for raster-files I have not found anything like this. (Important here: the export-file should be a table, not a grid).
The idea is to process raster-data with some external program like excel of statistics-software, to add channels (=columns) based on the data already there or create a new channel by linking data with data from a table. All this can be easily done for vector-layers but apparently not for raster-layers.
THX, stn
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