Re: [GRASS-user] movement direction surface in r.drain

2012-12-23 Thread Markus Neteler
On Sat, Dec 22, 2012 at 10:30 PM, Mohammed Rashad mohammedrasha...@gmail.com wrote: Hi, I made some modifications to the r.drain code (direction part) which gave me the following output? Is this correct?. If so I can finish polishing it ;) Please see the attachments in the ticket[0] [0]

[GRASS-user] r.drain problem when flow reach the border

2012-12-23 Thread Milton Cezar Ribeiro
Dear all, I am running a least cost path analysis combining r.cost and r.drain. But on some cases, when the least cost path between source and target reach the border of my map, r.drain stop on that position, and target point isnĀ“t reached. Running on other softwares the algorithms the source and

Re: [GRASS-user] movement direction surface in r.drain

2012-12-23 Thread Mohammed Rashad
On Sun, Dec 23, 2012 at 10:54 PM, Markus Neteler nete...@osgeo.org wrote: On Sat, Dec 22, 2012 at 10:30 PM, Mohammed Rashad mohammedrasha...@gmail.com wrote: Hi, I made some modifications to the r.drain code (direction part) which gave me the following output? Is this correct?. If

Re: [GRASS-user] r.drain problem when flow reach the border

2012-12-23 Thread Mohammed Rashad
Hi Milton, I think there is a bug in r.drain direction map calculation. see this thread[0] It may take a day or two to get fixed. I will send you a patch as I cant commit ;) [0] http://lists.osgeo.org/pipermail/grass-user/2012-December/066546.html On Sun, Dec 23, 2012 at 11:37 PM, Milton

Re: [GRASS-user] r.drain problem when flow reach the border

2012-12-23 Thread Markus Metz
On Sun, Dec 23, 2012 at 7:07 PM, Milton Cezar Ribeiro miltinho.astrona...@gmail.com wrote: Dear all, I am running a least cost path analysis combining r.cost and r.drain. But on some cases, when the least cost path between source and target reach the border of my map, r.drain stop on that

[GRASS-user] SVM classifier and MeanShift

2012-12-23 Thread Mohammed Rashad
Hi All, I am planning to add SVM classifier to grass based on libsvm. I had a basic version of it in my private repo. I am also planning to do meanshift segmentation module. Is there anyone working on such things currently?. Any users interested? -- Regards, Rashad