[GRASS-user] Low map display resolution in default 6.4 ?

[Markus Neteler]

Hi Felix,

On Fri, Aug 14, 2009 at 11:43 PM, Felix Schalck<felix.schalck at gmail.com> wrote:
...
> 1. DEM resolution:
> $gdalinfo srtm_38_03.tif
...
> Pixel Size = (0.000833333333333,-0.000833333333333)
...
> 2. Region settings:
> $g.region -p
...
> nsres:      0:00:03
> ewres:      0:00:03

which corresponds to:

g.region -g
...
nsres=0.000833333333333331
ewres=0.000833333333333333

That should be fine, but...

> If I interpret those numbers correctly, the region is set to the
> theoretical max. resolution. Again, since I basically did not touch
> the configs during the upgrade procedure (GRASS 6.23>6.4RC5) I thought
> to myself it might just be a configuration change of the default
> driver used by d.rast: in the old version, it took forever to load,
> but the level of details SEEMED much higher, now it loads quasi
> instantly, but looks 'soappy'. What changed ?

(nothing should have changed)

... did you use d.erase to tell the GRASS monitor about the high
resolution? The technology behind all is still the same in 6.4.

Markus