Re: [GRASS-user] r.region question

2018-08-16 Thread Rich Shepard
On Thu, 16 Aug 2018, Moritz Lennert wrote: When working with the raster approach to geographical data, the user has to make a (more or less arbitrary) choice on the extent of the zone he wishes to work on and on the resolution within that zone. This is what g.region allows you to do: it defines

Re: [GRASS-user] r.region question

2018-08-16 Thread Moritz Lennert
On 16/08/18 16:32, Rich Shepard wrote: On Wed, 15 Aug 2018, Vaclav Petras wrote: No, r.region changes the "region" of the raster map itself, i.e. changes its extent and resolution. The data stays the same. Its changes the metadata. The effect is stretching, shrinking, or moving the raster map.

Re: [GRASS-user] r.region question

2018-08-16 Thread Rich Shepard
On Wed, 15 Aug 2018, Vaclav Petras wrote: No, r.region changes the "region" of the raster map itself, i.e. changes its extent and resolution. The data stays the same. Its changes the metadata. The effect is stretching, shrinking, or moving the raster map. Any suggestions for improvement of the

Re: [GRASS-user] r.region question [RESOLVED]

2018-08-16 Thread Rich Shepard
On Wed, 15 Aug 2018, Vaclav Petras wrote: No, r.region changes the "region" of the raster map itself, i.e. changes its extent and resolution. The data stays the same. Its changes the metadata. The effect is stretching, shrinking, or moving the raster map. Any suggestions for improvement of the

Re: [GRASS-user] r.region question

2018-08-15 Thread Vaclav Petras
Hi Rich, On Wed, Aug 15, 2018 at 5:21 PM, Rich Shepard wrote: > > Does applying r.region to a portion of a large raster map functionally > reduce the size of the map, No, r.region changes the "region" of the raster map itself, i.e. changes its extent and resolution. The data stays the same. Its