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Hi, grass users,
I would like to calculate the directions (or the angles) of a drainage
network which can be raster or vector map ; these directions are not the
drainage direction according to the slope, but the geographic angles
in terms of coordinates (x,y).
The objective is to get a 'wind rose' for each order of the tributaries.
If someone has yet worked or heard about such a work, I'll enjoy to contact him.
Thank's
DELCLAUX Francois
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ORSTOM - Laboratoire d'Hydrologie Phone : (33) 67-61-75-56
BP 5045 Fax : (33) 67-41-18-06
34032 Montpellier Cedex
FRANCE E-mail: delclaux@orstom.orstom.fr
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DELCLAUX Francois
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ORSTOM - Laboratoire d'Hydrologie Phone : (33) 67-61-75-56
BP 5045 Fax : (33) 67-41-18-06
34032 Montpellier Cedex
FRANCE E-mail: delclaux@orstom.orstom.fr
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