[GRASS5] Why does v.label require an x display?

[Michael Barton]

Thanks mucho.

Michael
__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics & Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton



> From: Hamish <hamish_nospam at yahoo.com>
> Date: Sun, 16 Apr 2006 13:00:41 +1200
> To: Michael Barton <michael.barton at asu.edu>
> Cc: <grass5 at grass.itc.it>
> Subject: Re: [GRASS5] Why does v.label require an x display?
> 
>> I¹m working with creating a TclTk version of d.label to make postscript text
>> labels (rather than raster text labels) available in the GIS Manager.
>> 
>> I just tried v.label to make a new set of labels and found that it won't run
>> unless an x display is open. No need to have anything showing in the x
>> display, it just has to be open.
>> 
>> Is this really necessary? If not, can it be changed?
> 
> 
> my fault, I'll see if I can change it.
> 
> 
>     if(FontSize->answer) {
>         fontsize = atoi(FontSize->answer);
> 
>         /* figure out space param dynamically from current dispay */
>         if(Along_flag->answer) {
>             if (R_open_driver() != 0)  /* connect to the driver */
>                 G_fatal_error(_("No graphics device selected"));
> 
>             /* Read in the map region associated with graphics window */
>             D_setup(0);
>             space = fontsize / D_get_u_to_d_xconv();  /* in earth units */
> 
>             R_close_driver();
>         }
>     }
>     else
>         fontsize = 0;
> 
> 
> 
> Hamish