probleme opening monitors

[Markus Neteler]

Hi all,

[...]
> x5              X-windows graphics display     not running
> x6              X-windows graphics display     not running
> CELL            Create GRASS Raster File       not running
> X Error of failed request:  BadMatch (invalid parameter attributes)
>   Major opcode of failed request:  78 (X_CreateColormap)
>   Serial number of failed request:  30
>   Current serial number in output stream:  31
> 
[...]

you can use GRASS with 8bit as well as 24bit. You just have
to set the link in grass42/driver to the proper driver.
The message "X_CreateColormap" indicates that the link is 
currently set to the wrong GRASS-Xdriver.

Available are the following Xdriver:

ls -la /grass42/driver/
   drwxrwxrwx   2 neteler  user         512 Jun 25 17:15 .
   drwxr-xr-x  13 neteler  user         512 Jun 25 17:15 ..
   -rwxrwxr-x   1 neteler  user       96364 Jun 25 17:15 CELL
   lrwxrwxrwx   1 root     other          9 Jun 15 15:21 XDRIVER -> XDRIVER_8
   -rwxr-xr-x   1 neteler  user       41880 Apr  2 10:59 XDRIVER_24
   -rwxr-xr-x   1 neteler  user       41660 Apr  2 10:59 XDRIVER_8

The link MUST certainly fit to the configuration of XSERVER of 
your Linux/SUN/HP, whatever you use. Getting this error message,
you either change the color depth of your X11-XSERVER or the link
onto the GRASS driver.

Hope this helps


    Markus Neteler

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Geographisches Institut           |            Institute of Geography
   Physische Geographie                          Physical Geography 
 & Landschaftsoekologie                        & Landscape Ecology
Universitaet Hannover                 University of Hannover, Germany
                     neteler at geog.uni-hannover.de
             http://www.geog.uni-hannover.de/users/neteler/
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