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X window requirement for batch jobs: not just for plotting [message #78485] Tue, 22 November 2011 22:26 Go to previous message
MarioIncandenza is currently offline  MarioIncandenza
Messages: 231
Registered: February 2005
Senior Member
So, we all know that if you have a job that generates a plot, and you
need it to run automated, you have to either:
1) use the Z buffer for everything;
2) use the X virtual frame buffer to "spoof" an X terminal;

But this requirement is clearly triggered by commands that have
nothing to do with plotting. The obvious example is widgets, but I am
currently dealing with a piece of code that has no plotting and no
widgets, but at a certain point in the code it insists on having an X
terminal available, and crashes if there is none.

Tomorrow's job is to identify exactly what call is the culprit (I'm
wondering if it isn't maybe READ_TIFF), and figure out a solution
along the lines of #1 above, but I thought I'd ask:

What other types of commands, that I wouldn't expect, might be asking
for an X terminal?

--Edward H.

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