[GRASS-user] Re: r.watershed ending with an error

[Markus Metz]

stephen sefick wrote:
> Sorry patch_dem was patch_map - The process is still stalling however
>   
In what section? What is the size the current computational region, rows
x columns? Did it go into swap space?
> On Fri, Jul 10, 2009 at 7:14 PM, stephen sefick<ssefick at gmail.com> wrote:
>   
>> 6.4.0RC5
>> Mac OS X 10.5.7
>> 1.8Ghz 1GB of RAM-
>>
>>
>> the only input is the raster patch_dem 1/3arc second
>>
>> r.watershed elevation=patch_dem at PERMANENT threshold=10000
>> accumulation=accumulation basin=catch stream=str
>>
>> this exits with the following message:
>> SECTION 1a (of 5): Initiating Memory.
>> ERROR: Raster map <patch_dem at PERMANENT> not found
>> WARNING: Subprocess failed with exit code 256
>> WARNING: category information for [accumulation] in [PERMANENT] missing or
>>         invalid
>> WARNING: category information for [catch] in [PERMANENT] missing or invalid
>> WARNING: category information for [str] in [PERMANENT] missing or invalid
>>
>> I know catch is not in PERMANENT it is an output etc.
>>
>> I have been trying all day with different parameters and I can't
>> figure it out.  I want to delineate watersheds with there aspects and
>> "other cool watershed things".  I also want to get the strahler order
>> for streams.  I was going to use v.strahler, but this addon seems to
>> be defunct.  I have used it but it writes values to a text file...  I
>> am thinking of using SAGA for stream ordering- I believe that it has
>> this particular feature.
>> thanks in advance,
>>
>> Stephen Sefick
>>
>> --
>> Stephen Sefick
>>
>> Let's not spend our time and resources thinking about things that are
>> so little or so large that all they really do for us is puff us up and
>> make us feel like gods.  We are mammals, and have not exhausted the
>> annoying little problems of being mammals.
>>
>>                                                                -K. Mullis
>>
>>     
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