[GRASS-user] announcement of strahler stream order analysis

[Jarek Jasiewicz]

I will upload little newer version without debbuger messages which may 
cause that messages
Now I absolutely sure it is from tcltk, but on my machine it work now 
fine. I tested it also on spearfish dataset, no problem for now.


Jarek


Carlos Grohmann pisze:
> Yes! Runs fine from command line! SO much better than using JGRASS.
>
> cheers
>
> Carlos
>
> On Mon, Jul 27, 2009 at 14:47, Jarek Jasiewicz<jarekj at amu.edu.pl> wrote:
>   
>> Carlos Grohmann pisze:
>>     
>>> This is a module I've been looking for a long time.
>>>
>>> compilation went OK, but when I run it:
>>>
>>>
>>> GRASS 6.5.svn (itarare_250k):~ > r.stream
>>> too many nested evaluations (infinite loop?)
>>>    (procedure "Gronsole::add_data_tag" line 4)
>>>    invoked from within
>>> "Gronsole::add_data_tag $path $ci out"
>>>    (procedure "Gronsole::readout" line 15)
>>>    invoked from within
>>> "Gronsole::readout $path $ci $mark $fh"
>>>    invoked from within
>>> "if [eof $fh] {
>>>                Gronsole::readeof $path $ci $mark $fh
>>>                Gronsole::done_command $path $ci
>>>        } else {
>>>                Gronsole::readout $path $ci $mark $fh
>>>        }"
>>>    (procedure "Gronsole::file_callback" line 2)
>>>    invoked from within
>>> "Gronsole::file_callback .nb.fOutput.gronsole 1 cmdinsert1 file6"
>>>
>>>
>>>
>>>
>>> and then it hangs...
>>>
>>>
>>> cheers
>>>
>>>
>>> Carlos
>>>
>>>       
>> Yes I noticed it, run it form command line with full paramteres without GUI
>> for unknow reason. I also cannot run via GUI. I hope someone more advanced
>> will help me remove that error. I dont know why it happens.
>> Give me feedback if you will run it with success.
>> Jarek
>>     
>>>
>>> 2009/7/26 Jarek Jasiewicz <jarekj at amu.edu.pl>:
>>>
>>>       
>>>> Hi list!
>>>>
>>>> I just finish first version of new grass module r.stream. Module is
>>>> regular
>>>> Grass module, written in C an has no addational dependencies. It was
>>>> compiled with GRASS65 devel  downloaded in last  two week. Source code
>>>> you
>>>> can find here:
>>>>
>>>> http://heretic.livenet.pl/heretic/r.stream.tar.gz
>>>>
>>>> Module compiles and seems to work. Analysis was tested only on one
>>>> dataset.
>>>>
>>>> To compile it copy r.streams directory to your grassXX../raster/  cd
>>>> r.stream run make and make install
>>>>
>>>> What module calculate:
>>>> - strahler stream order
>>>> - shreeve stream magnitude
>>>> - class of topological elements of drainage networks
>>>>
>>>> Module use r.watershed outputs: SDF flow direction and SDF stream
>>>> network.
>>>>
>>>>
>>>> Analysis of r.stream shall be run on same regions setings as r.watershed.
>>>> If
>>>> no, run g.region rast=your_dir_file first. For now module do not check if
>>>> region and rasters are identical. It is planned to add in nearest
>>>> feature.
>>>> It also do not check if dirs and streams are SDF result. Threre are no
>>>> addational description. It will be added after testing.
>>>>
>>>> It works only on cells data. Floating points data are not allowed (and
>>>> have
>>>> no sense).
>>>>
>>>> Module is quite fast. 3000 x3000 cells all three analysis runs no more
>>>> than
>>>> 30 s. on AMD 3800 2GB, Ubuntu 8.04
>>>>
>>>> Module is part of comprehensive project which will add full Horton
>>>> analysis
>>>> and some addational terrrains analysis to Grass. More details in the
>>>> feature. Any cooperation is welcome. The next module I plan is
>>>> directional
>>>> vectorisation of stream network.
>>>>
>>>> For now module is available only form web address pointed below. After
>>>> testing and removing critical errors it will be added to grass add-ons
>>>> (or
>>>> maybe to main branch?).
>>>>
>>>> Any coments, improvements and critics is very welcome.
>>>>
>>>> More advanced Grass developers: Please check my code. Its funny, but I
>>>> don't
>>>> know C.
>>>> General code is based on GRASS r.topindex module (by Keith Beven and
>>>> Huidae
>>>> Cho, strongly modified)
>>>> Strahler stream order algorithm from Saga GIS (by Victor Olaya, modified)
>>>> Shreeve stream magnitude and class of topological network are my own
>>>> ideas
>>>>
>>>> Test and enjoy.
>>>>
>>>> Jarek Jasiewicz
>>>> Adam Mickiewicz University, Poznan
>>>> Geoecology and Geoinformation Institute
>>>> _______________________________________________
>>>> grass-user mailing list
>>>> grass-user at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>>>
>>>>
>>>>         
>>>
>>>
>>>       
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