The printim
command will produce a PNG or GIF formatted
image file based on the current contents of the metabuffer, which is
usually the stuff displayed on the screen, minus any widgets. The
syntax is:
printim filename options
where:
filename:  
The name of the output file.
If this file exists, it will be replaced.
options:  
gif 
- produce gif output (default is png)
     
black
- use black background (default is current display setting)
     
white
- use white background (default is current display setting)
     
xNNN
- horizontal size in NNN pixels
     
yNNN
- vertical size in NNN pixels
One or more options may be given in any order.
printim
works with GrADS version 1.8 (or higher).
printim
can be used while in batch mode.
The following command produces a 1000x800 PNG image into file out.png:
printim out.png x1000 y800
This command produces a 800x600 GIF image, with a white background, into file gifimage.out:
printim gifimage.out gif x800 y600 white