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No enough valid points... [message #58900] Tue, 26 February 2008 07:12
lasse is currently offline  lasse
Messages: 48
Registered: February 2007
Member
Hi there,

I get from time to time the following error message:

IDL: PLOT: Not enough valid and unique points specified.
IDL: Execution halted at: PLOT_ACE_MFI 76 /home/lbnc1/idl_lib/
graphics/plot_ace_mfi.pro
IDL: $MAIN$
IDL: Program caused arithmetic error: Floating illegal operand

Is there a simple way (maybe a compile_opt?) so that this is not an
error and that execution of the program does not stop? Just warn me,
plot an empty coordinate system and continue.

Of course I could count all the ~finite() elements and so on and so on
but that is so tedious! And also, a more philosophical point is that
it is not really an error. It's like setting the x or y range to
something stupid so that nothing is plotted except an empty coordinate
system. And then IDL doesn't complain...

Cheers
Lasse Clausen

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