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cryptic error message from "plot" [message #59873]

Mon, 14 April 2008 11:57

pgrigis
Messages: 436
Registered: September 2007

Senior Member

Hi,

I am reporting this because from the error message it is
not obvious what the problem is and it took a while for me
to figure it out.

I kept getting these errors:

plot,[1,2,3],[4,2,3]
% PLOT: Data coordinate system not established.

until I figured out that my !p.position was invalid

IDL> print,!p.position
1.40000 0.300000 1.70000 0.800000

Of course the solution is to properly set the position,
and is obvious in hindsight, but the error message
is a bit misleading...

Cheers,
Paolo

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