Hi,
it seems to me that r.watershed is broken in the latest grass7 trunk version?
This may be related to r41705?
Example from the r.watershed manual with spearfish data produces an error:
grass_dev/grass_trunk> g.list rast
----------------------------------------------
raster files available in mapset <PERMANENT>:
aspect erosion1 quads soils strm.dist
bugsites fields railroads soils.Kfactor texture
density geology roads soils.Tfactor tractids
elevation.10m landcover.30m rstrct.areas soils.ph transport.misc
elevation.dem landcover.orig rushmore soils.range trn.sites
elevation.dted landuse slope spot.image uparea
erode.index owner soil.br.depth streams vegcover
grass_dev/grass_trunk> g.region rast=elevation.dem
grass_dev/grass_trunk> r.watershed elev=elevation.dem accum=rwater.accum
ERROR: USAGE for basin delineation:
/1/gebbert/src/grass_dev/grass_trunk/dist.i686-pc-linux-gnu/etc/r.watershed.ram
-4 elevation=elevation_map threshold=swale_threshold
[flow=overland_flow_map] [drainage=drain_direction_map]
[depression=depression_map] [accumulation=accumulation_map]
[basin=watershed_basin_map] [stream=stream_segment_map]
USAGE for slope length determination:
/1/gebbert/src/grass_dev/grass_trunk/dist.i686-pc-linux-gnu/etc/r.watershed.ram
[-4] elevation=elevation_map threshold=swale_threshold
[drainage=drain_direction_map] [depression=depression_map]
[accumulation=accumulation_map] [max_slope_length=max_slope_length]
[blocking=overland_blocking_map]
[slope_steepness=slope_steepness_map] length_slope=length_slope_map
[disturbed_land=rill_erosion_map] [slope_deposition=slope_deposition
value or map]USAGE for ARMSED FILE creation:
/1/gebbert/src/grass_dev/grass_trunk/dist.i686-pc-linux-gnu/etc/r.watershed.ram
[-4] elevation=elevation_map threshold=swale_threshold
[flow=overland_flow_map] [drainage=drain_direction_map]
[depression=depression_map] [accumulation=accumulation_map]
[basin=watershed_basin_map] [stream=stream_segment_map]
[half_basin=half_basin_map] ar=ARMSED_file_name
WARNING: Subprocess failed with exit code 1
WARNING: category information for [rwater.accum] in [user1] missing or
invalid
Any suggestions how to fix that?
Best regards
Soeren