Re: [Qgis-user] What is the best way to do a simple watershed analysis on a raster grid?

2013-11-27 Thread G. Allegri
t; qgis-user-boun...@lists.osgeo.org] on behalf of kimaidou [ >> kimai...@gmail.com] >> *Sent:* 26 November 2013 20:43 >> *To:* Alexander Bruy >> *Cc:* qgis-user >> *Subject:* Re: [Qgis-user] What is the best way to do a simple watershed >> analysis on a raster gr

Re: [Qgis-user] What is the best way to do a simple watershed analysis on a raster grid?

2013-11-27 Thread kimaidou
-- > *From:* qgis-user-boun...@lists.osgeo.org [ > qgis-user-boun...@lists.osgeo.org] on behalf of kimaidou [ > kimai...@gmail.com] > *Sent:* 26 November 2013 20:43 > *To:* Alexander Bruy > *Cc:* qgis-user > *Subject:* Re: [Qgis-user] What is the best way to do a si

Re: [Qgis-user] What is the best way to do a simple watershed analysis on a raster grid?

2013-11-27 Thread Lene Fischer
November 2013 20:43 To: Alexander Bruy Cc: qgis-user Subject: Re: [Qgis-user] What is the best way to do a simple watershed analysis on a raster grid? Hi I already tried the saga and grass tools via Processing framework. They are really powerfull, but also really complicated in my opinion. Hard to find

Re: [Qgis-user] What is the best way to do a simple watershed analysis on a raster grid?

2013-11-26 Thread kimaidou
Hi I already tried the saga and grass tools via Processing framework. They are really powerfull, but also really complicated in my opinion. Hard to find the correct algo, the correct treshold, necessity to manually vectorize the produced watershed raster (I have surely missed something here...), e

Re: [Qgis-user] What is the best way to do a simple watershed analysis on a raster grid?

2013-11-24 Thread Alexander Bruy
Hi Rob, you can try to do this with Processing framework. There is at least three different providers that have watershed analysis tools: GRASS, SAGA and TauDEM 2013/11/24 Rob Stewart : > Hi, > What's the best way to do a simple watershed analysis on a raster grid? I'm > wanting to generate rain

[Qgis-user] What is the best way to do a simple watershed analysis on a raster grid?

2013-11-24 Thread Rob Stewart
Hi, What's the best way to do a simple watershed analysis on a raster grid? I'm wanting to generate rainfall/runoff sub-catchment polygons. Rob ___ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user