Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-02 Thread Markus Metz
Hamish wrote: Markus Neteler wrote: how about replacing r.los with r.viewshed? needs fixing: grass65/dist.i686-pc-linux-gnu/include/grass/iostream/replacementHeapBlock.h:146: warning: 'str' may be used uninitialized in this function (3 times). Did you ever have a look at the compiler

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Martin Landa
2011/12/1 Markus Neteler nete...@osgeo.org: how about replacing r.los with r.viewshed? +1 Martin -- Martin Landa landa.martin gmail.com * http://geo.fsv.cvut.cz/~landa ___ grass-dev mailing list grass-dev@lists.osgeo.org

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Hamish
Markus Neteler wrote: how about replacing r.los with r.viewshed? I'm supportive of that, starting with trunk. (too late for 6.4.2) r.los just doesn't scale. still one final small detail with the color rules I'd like to see: https://trac.osgeo.org/grass/ticket/390 It requires knowing the

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Dylan Beaudette
+1 from me, looking forward to using r.viewshed on some massive maps- would be nice to have it in the standard install of GRASS. Dylan On Thu, Dec 1, 2011 at 12:52 PM, Hamish hamis...@yahoo.com wrote: Markus Neteler wrote: how about replacing r.los with r.viewshed? I'm supportive of that,

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Michael Barton
How does r.viewshed differ from r.los? Michael C. Michael Barton Director, Center for Social Dynamics Complexity Professor of Anthropology, School of Human Evolution Social Change Arizona State University voice: 480-965-6262 (SHESC), 480-727-9746 (CSDC) fax:

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Hamish
Michael wrote: How does r.viewshed differ from r.los? basically it is faster and it scales to large regions well. I don't know the exact O()ness level of it, but r.los becomes very quickly slower after the region size gets bigger than a smallish amount of rows x columns, to the point where it

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Hamish
Markus Neteler wrote: how about replacing r.los with r.viewshed? needs fixing: grass65/dist.i686-pc-linux-gnu/include/grass/iostream/replacementHeapBlock.h:146: warning: 'str' may be used uninitialized in this function (3 times). Hamish ___

Re: [GRASS-dev] GRASS 7: replace r.los with r.viewshed?

2011-12-01 Thread Michael Barton
Thanks. If r.viewshed is fast enough, a Python script could be built that uses r.viewshed to replicate many of the aspects of r.cva. Michael C. Michael Barton Director, Center for Social Dynamics Complexity Professor of Anthropology, School of Human Evolution Social