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TITLE property using object graphics [message #77251]

Sun, 14 August 2011 12:24

Mike Potter
Messages: 19
Registered: August 2008

Junior Member

I'm guessing I'm missing something simpe. Being an old-school IDL
programmer I've decided to explore a bit of the object graphics
functions. I immediately ran into a problem just cutting and pasting
from the help file examples. Here's an example:

theory = SIN(2.0*FINDGEN(200)*!PI/25.0)*EXP(-0.02*FINDGEN(200))

p1 = plot(theory, title="Test")

When doing so I get an error message: "PLOT: Graphics window does not
exist".

If I just do the plot with no title it works fine. If I then try:

p1.TITLE = "Test"

I again get the same error message. If I "Print, P1" it gives me a
list of the properties; TITLE = <NullObject>

So what's up?

Thanks!
Mike Potter

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