[GRASS-user] Calculate stream order from digitized hydrology network

Filipe Silva Dias filipesdias at gmail.com
Tue May 15 07:14:24 EDT 2012


Sure, is there a bug tracker for grass gis extensions...?

On Tue, May 15, 2012 at 11:39 AM, Margherita Di Leo <diregola at gmail.com>wrote:

> Hi Filipe,
>
> could you fill a bug report reporting this? Thanks
>
> Best,
> madi
>
> On Mon, May 14, 2012 at 3:53 PM, Filipe Silva Dias <filipesdias at gmail.com>wrote:
>
>> Hi Johannes
>>
>> Yes, its in vector format, but it could be converted to raster if
>> necessary.
>>
>> I installed v.strahler with g.extension, but loading it produced an
>> error. Is there another one?
>>
>> Thanks
>>
>> Traceback (most recent call last):
>>   File "C:\OSGeo4W\apps\grass\grass-6.4.2\etc\wxpython\gui_m
>> odules\prompt.py", line 1105, in OnKeyPressed
>>
>> self.parent.RunCmd(cmd)
>>   File "C:\OSGeo4W\apps\grass\grass-6.4.2\etc\wxpython\gui_m
>> odules\goutput.py", line 523, in RunCmd
>>
>> task = menuform.GUI(show = None).ParseCommand(command)
>>   File "C:\OSGeo4W\apps\grass\grass-6.4.2\etc\wxpython\gui_m
>> odules\menuform.py", line 1732, in ParseCommand
>>
>> blackList = _blackList)
>>   File "C:\OSGeo4W\apps\grass\grass-6.4.2\etc\python\grass\s
>> cript\task.py", line 460, in parse_interface
>>
>> tree = etree.fromstring(get_interface_description(name))
>>   File
>> "C:\OSGeo4W\apps\Python27\lib\xml\etree\ElementTree.py",
>> line 1283, in XML
>>
>> return parser.close()
>>   File
>> "C:\OSGeo4W\apps\Python27\lib\xml\etree\ElementTree.py",
>> line 1636, in close
>>
>> self._raiseerror(v)
>>   File
>> "C:\OSGeo4W\apps\Python27\lib\xml\etree\ElementTree.py",
>> line 1488, in _raiseerror
>>
>> raise err
>> xml.etree.ElementTree
>> .
>> ParseError
>> :
>> no element found: line 1, column 0
>>
>>
>>
>>
>>
>> On Mon, May 14, 2012 at 2:47 PM, Johannes Radinger <jradinger at gmx.at>wrote:
>>
>>> Hi Filipe,
>>>
>>> you mean your hydrological network is in vector format?
>>>
>>> Maybe you  can try the v.strahler add-on but I don't know
>>> how uptodate this module is:
>>>
>>> http://grass.osgeo.org/wiki/GRASS_AddOns#v.strahler
>>>
>>> /johannes
>>>
>>>
>>> Am 14.05.2012 um 13:26 schrieb Filipe Silva Dias:
>>>
>>> > Dear all,
>>> >
>>> > I have a digitized hydrological network and I need to calculate the
>>> stream order (Horton, Strahler etc).
>>> >
>>> > I found r.stream.order but it requires that the hydrological network
>>> comes from a DEM, which in my case produced an hydrological network that is
>>> considerably different than the digitized one (tried both with r.wateshed,
>>> r.terraflow and r.stream.extract).
>>> >
>>> > Is there a tool capable of doing this? Apparently ArcGIS can do this,
>>> but id prefer na open source solution.
>>> >
>>> > Thanks
>>> >
>>> > Best regards
>>> >
>>> > Filipe
>>> > _______________________________________________
>>> > grass-user mailing list
>>> > grass-user at lists.osgeo.org
>>> > http://lists.osgeo.org/mailman/listinfo/grass-user
>>>
>>>
>>
>> _______________________________________________
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>>
>>
>
>
> --
> Ing. Margherita Di Leo, Ph.D.
>
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