[GRASS-dev] r.watershed fails in 6.4 SVN - fixed

[Michael Barton]

On Dec 22, 2008, at 2:19 AM, Markus Metz wrote:

>
>
> Michael Barton wrote:
>> I just updated and compiled today.
> In case you have modified front/main.c to fix that length.slope bug,  
> there may now be a svn conflict in front/main.c. Maybe it works if  
> you delete front/main.c and svn up again to get a new copy. Then,  
> after updating, the patch sent by Glynn or the path for grass64 at  
> [1] can be applied to get a proper error message.
>
> [1] http://trac.osgeo.org/grass/attachment/ticket/398
>
> Markus M
>
>>
>> r.watershed compiles without problems, but it fails when you try to  
>> run it. It worked OK yesterday. Here is the error from Spearfish.
>>
>> GRASS 6.4.svn (Spearfish60_test):~ > r.watershed  
>> elevation=elevation.dem accumulation=atest_delete1
>> ERROR: USAGE for basin delineation:
>>       /Applications/Grass/GRASS-6.4.app/Contents/MacOS/etc/ 
>> r.watershed.ram
>>       -4 el=elevation_map t=swale_threshold [ov=overland_flow_map]
>>       [dr=drain_direction_map] [de=depression_map]  
>> [ac=accumulation_map]
>>       [di=display_map] ba=watershed_basin_map [se=stream_segment_map]
>>
>>       USAGE for ARMSED FILE creation:
>>       /Applications/Grass/GRASS-6.4.app/Contents/MacOS/etc/ 
>> r.watershed.ram
>>       [-4] el=elevation_map t=swale_threshold [ov=overland_flow_map]
>>       [dr=drain_direction_map] [de=depression_map]  
>> [ac=accumulation_map]
>>       [di=display_map] [ba=watershed_basin_map]  
>> [se=stream_segment_map]
>>       ha=half_basin_map ar=ARMSED_file_name
>>
>>       USAGE for slope length determination:
>>       /Applications/Grass/GRASS-6.4.app/Contents/MacOS/etc/ 
>> r.watershed.ram
>>       [-4] el=elevation_map t=swale_threshold  
>> [dr=drain_direction_map]
>>       [de=depression_map] [ac=accumulation_map] [di=display_map]
>>       [ms=max_slope_length] [ob=overland_blocking_map]
>>       [S=slope_steepness_map] LS=length_slope_map  
>> [r=rill_erosion_map]
>>       [sd=slope_deposition value or map]
>> WARNING: Subprocess failed with exit code 256
>> WARNING: category information for [atest_delete1] in [PERMANENT]  
>> missing or
>>         invalid
>>
>> Same (not very informative) error if I use -s or specify ls.factor  
>> for the output
>>

Fixed now. I deleted all of r.watershed, did an SVN update, and  
applied the patch. Thanks for the help.

Any chance that MFD will be backported to 6.4?

Michael