XDRIVER24 (was: Calcomp Drawing Board III)

Malcolm Williamson malcolm at cast.uark.edu
Sun Mar 2 15:55:44 EST 1997


On Sat, 1 Mar 1997, Schmidt wrote:

> Does the XDRIVER24 allow you to display more that 256 colors in GRASS? 
> 
> 
> Jim Schmidt
> GIS Instructor
> Columbia College
> Sonora, Ca.
> avenues at sonnet.com

Nope, it just allows you to display the usual palette of 256 on a true 
color display. d.colormode float does not work with the XDRIVER24, 
either. However, it is _much_ better than what we had before (nothing!).
	-Malcolm Williamson

> > 
> 
> At 07:58 AM 2/27/97 CST, you wrote:
> >
> > Steve --
> >
> >  I went through this just recently.  As Angus suggested, you
> > can use the XDRIVER24 for 24 bit graphics; however that will 
> > not allow you to switch to float colormode. A second solution
> > is to switch X from default of 24 to 8 bit mode when starting
> > the window manager. I am using openwin, so my .login file uses
> > the following line to start openwin:
> >
> > /usr/openwin/bin/openwin -dev /dev/fb defdepth 8
> >
> > 
> > Other applications (notably GRASSLAND) may also malfunction
> > under 24 bit graphics and benefit from the switch to 8bit.
> > Note that if you are also using Arc/Info the documentation 
> > says it requires 24 bit graphics on sol2.5.
> >
> >Eric Ohler
> >USDA-NRCS
> >
> >
> avenues at sonnet.com
> 
> 



More information about the grass-user mailing list