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Re: Bug in IDLgrPolygon ? [message #33185 is a reply to message #33182]

Thu, 12 December 2002 18:36

Thomas Gutzler
Messages: 44
Registered: November 2002

Member

Karl Schultz wrote:
>
> What you want to do is replace:
>
> [4, 4, 5, 7, 6]] ; vertices 5687
>
> with:
>
> [0, 0, 0, 0, 0]] ; vertices 5687
>
> If you try:
>
> [0, 4, 5, 7, 6]] ; vertices 5687
>
> then IDL skips over the 0 and thinks that the 4 is the vertex count for the
> next polygon.

Yeah, I should have noticed this. doh!

> -1 is the other special value which
> means "stop here, even if there is more data after me" and really only makes
> sense to put in a list after a polygon definition.

Hm, this was my last idea. Just move the 5 elements describing the
polygon I want not be shown to the end and put a -1 in front. But I
thought thats bad programming style, isn't it ?

Thomas

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[Message index]

		Re: Bug in IDLgrPolygon ? By: Karl Schultz on Fri, 13 December 2002 06:30
		Re: Bug in IDLgrPolygon ? By: Thomas Gutzler on Thu, 12 December 2002 18:36
		Re: Bug in IDLgrPolygon ? By: Karl Schultz on Thu, 12 December 2002 11:19
		Re: Bug in IDLgrPolygon ? By: David Fanning on Thu, 12 December 2002 09:55
		Re: Bug in IDLgrPolygon ? By: Thomas Gutzler on Sun, 15 December 2002 19:35

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