reads woody growing stock out of a MAgPIE gdx file
Arguments
- gdx
GDX file
- file
a file name the output should be written to using write.magpie
- level
Level of regional aggregation; "cell", "reg" (regional), "glo" (global), "regglo" (regional and global) or any secdforest aggregation level defined in superAggregate
- indicator
If the reported numbers are relative (mio m3/ha) or absolute (mio. m3). Default is relative.