[GRASS-dev] Speed map display in wxGUI on bigger monitors

Markus Neteler neteler at osgeo.org
Mon Aug 13 15:33:04 PDT 2012

On Mon, Aug 13, 2012 at 9:17 PM, Michael Barton <Michael.Barton at asu.edu> wrote:
> The size of the monitor shouldn't have much (or anything in most cases) to
> do with this.

Please try on a big monitor - I am pretty sure it does.

> Important questions:
> Which version is being used?

GRASS 7.svn

> Which OS

Fedora 17, 64bit.

> How is the display set? If it is set to constrain display resolution to
> match map, this could happen. However, the default behavior for a long time
> is to create display output at display resolution (depends on the size of
> the display window). Even with big monitors, this is not a huge file by
> GRASS GIS standards. However, the temp files that are created for the
> displays will be larger when larger windows are used on larger monitors
> (i.e., more pixels to render).

I observe that files in the multi-megabyte range are generated in this case.
Hence it is getting slow...


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