PRINTIM Options

[Stephen R McMillan]

The current GrADS Documentation Index
(http://grads.iges.org/grads/gadoc/gradcomdprintim.html) lists several
PRINTIM options which I am unable to use. Instructions state "printim
works with GrADS version 1.8 (or higher)." Following is the pertinent
excerpt from my command-line (not scripted) session, NOT in batch mode:

ga-> printim d:\temp\slptmp.gif -b d:\temp\tanom.png -t 0
PRINTIM error:  Invalid option; ignored
PRINTIM error:  Invalid option; ignored
PRINTIM error:  Invalid option; ignored
PRINTIM error:  Invalid option; ignored

I was attempting to create a GIF image from the displayed contoured (gxout
contour) image, the default black background set to transparent, with the
background shaded temperature image tanom.png. The intended background
image (tanom.png) has the same resolution, geo-domain, and pixel size as
the displayed and intended final image.  The image file slptmp.gif was the
result, but showed only the top (contoured slp) image.

Note: Creating images with one or more overlays is not my problem, since I
have plenty experience creating in GrADS then PRINTIMing the results.
However, it would be very useful to take previously-archived images, along
with the transparent color option, and generate new images.

I'm using GrADS version 1.8SL11, downloaded Fall of 2003. A brief search
of the Users Group online archive suggests that the -b -f and -t options
may not be available in this version, notwithstanding the Documentation
Index statement. Can anyone confirm this? If not,will the appropriate
version (1.9?) be available for the Windows NT/XP, etc. platforms?

Steve McMillan
Planalytics
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