Re: [GRASS-user] Check for non-overlapping raster maps

2011-08-13 Thread Glynn Clements
Markus Neteler wrote: I have a mapset with 44 raster maps. I want to check that they do NOT have overlapping data areas. ...        r.series method=count Thanks. This is what I was looking for, but obviously not able to find it myself :-( Hermann, if you have any ideas to

Re: [GRASS-user] Check for non-overlapping raster maps

2011-08-12 Thread Glynn Clements
Hermann Peifer wrote: I have a mapset with 44 raster maps. I want to check that they do NOT have overlapping data areas. My thought is to do something like: r.mapcalc checkmap=isnull(map1) + isnull(map2) + ... + isnull(map44) If the min value of the resulting checkmap is 43, then I know

Re: [GRASS-user] Check for non-overlapping raster maps

2011-08-12 Thread Hermann Peifer
On 12/08/2011 08:52, Glynn Clements wrote: Hermann Peifer wrote: I have a mapset with 44 raster maps. I want to check that they do NOT have overlapping data areas. My thought is to do something like: r.mapcalc checkmap=isnull(map1) + isnull(map2) + ... + isnull(map44) If the min value of

Re: [GRASS-user] Check for non-overlapping raster maps

2011-08-12 Thread Markus Neteler
On Fri, Aug 12, 2011 at 12:49 PM, Hermann Peifer pei...@gmx.eu wrote: On 12/08/2011 08:52, Glynn Clements wrote: Hermann Peifer wrote: I have a mapset with 44 raster maps. I want to check that they do NOT have overlapping data areas. ...        r.series method=count Thanks. This is what

Re: [GRASS-user] Check for non-overlapping raster maps

2011-08-12 Thread Hamish
Hermann wrote: Where I would see (perhaps) a small deficit in the communication or documentation is a simple overview about which (raster) modules respect the current region and resolution, and which don't. The issue went over the list [1], but as far as I can see: the documentation did not

[GRASS-user] Check for non-overlapping raster maps

2011-08-10 Thread Hermann Peifer
Hi, I have a mapset with 44 raster maps. I want to check that they do NOT have overlapping data areas. My thought is to do something like: r.mapcalc checkmap=isnull(map1) + isnull(map2) + ... + isnull(map44) If the min value of the resulting checkmap is 43, then I know that the maps are