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

[Felix Schalck]

2009/8/17 Moritz Lennert <mlennert at club.worldonline.be>:
> On 16/08/09 21:48, Felix Schalck wrote:
>>
>> After some research, I figured out that:
>>
>> 1) Resolution is not really the problem, since I added a shadings
>> layer which shows the same impressive details level than I used to
>> have in old 6.23. It is really a display question.
>>
>> 2) Perhaps it is the graphic driver. I did not yet found the
>> ./configure summary of the default ubuntu GRASS .deb, but I really
>> doubt that it is built against latest proprietary nvidia 64bits OpenGL
>> libs - which I did in my own compilation of 6.4RC5. Fact is that
>> display has changed for all GRASS operations (not only d.rast), and
>> even though the new display doesn't LOOK very sharp, the levels of
>> details is just the same, but with an impressive gain in speed.
>>
>> What do you think ?
>
> What do you use to display you maps ? If you use the GUI, note that the GUI
> does not necessarily display in the current working resolution, but often
> downgrades resolution for display in order to make it faster.

That's was exactly my question: so GUI (I use wxpython interface) DEOS
resampling to fasten dispay operations !

> However, you
> can constrain the display to your computational region's resolution.

How do you do that ?

> You should see no difference in display if you use x-monitors (i.e. launched
> with d.mon. My memories are a bit weak of that time (long ago), but I think
> that the 6.2 GUI still used x-monitors for display. This has changed since.
>
> Moritz
>