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Re: stippling or cross hatching in contour plot [message #56274 is a reply to message #56149]

Mon, 08 October 2007 12:30

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

MA writes:

> thanks, that's definitely an improvement. However, I'm still trying to
> hatch only between two levels (significant areas), not hatch all over
> the plot. I've modified your code a bit, and now it's working. I
> basically create a new array from the original, in which I set all
> points I want to hatch to 1, all points I don't want to hatch over to
> 0, then contour at levels 1 and above.

Ah, yes, I see. Each hatching layer is a complete polyfill
that fills ALL the areas above it. (And none below it.)
The polyfills are layered onto one another from bottom
to top. So what you are doing seems reasonable.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		stippling or cross hatching in contour plot By: MA on Fri, 05 October 2007 14:26
		Re: stippling or cross hatching in contour plot By: pgrigis on Mon, 08 October 2007 13:22
		Re: stippling or cross hatching in contour plot By: David Fanning on Mon, 08 October 2007 12:30
		Re: stippling or cross hatching in contour plot By: MA on Mon, 08 October 2007 11:48
		Re: stippling or cross hatching in contour plot By: David Fanning on Mon, 08 October 2007 09:47
		Re: stippling or cross hatching in contour plot By: David Fanning on Mon, 08 October 2007 09:28
		Re: stippling or cross hatching in contour plot By: pgrigis on Mon, 08 October 2007 09:08

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