| Re: changing the format of axis [message #78461 is a reply to message #78363] |
Wed, 23 November 2011 10:20   |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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David Fanning writes:
>
> khorsand10@yahoo.com writes:
>
>> I installed the Coyote Library on my IDL path but now got the
>> following system error:
>> CGPLOT-->Expression must be a scalar or 1 element array in this
>> context<Byte Array[3]>.
>>
>> It's probably because I used '/overplot' or a value color like
>> 'color=[0,0,0].
>> Do you know how I can fix it?
>
> Yes, use color names: color="black".
By the way, if you didn't want to use color names for
some reason (e.g., you prefer writing obscure code that
nobody can understand or you are so anal that you can't
abide any of the 200 standard colors provided) you can
always convert your color triple to a 24-bit value that
can be used by Coyote Graphics routines:
cgPlot, data, COLOR=Color24([154,93,243])
I've been thinking of adding this to the Coyote Graphics
commands directly, but haven't gotten around to it yet. It
won't happen today, because if I don't start cleaning the
house ASAP I'll be living in the same dog house Coyote is
living in!
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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