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Re: Get coordinates of IDLgrContour object [message #28952]

Tue, 22 January 2002 07:24

karl_schultz
Messages: 13
Registered: August 2001

Junior Member

Marc Schellens <m_schellens@hotmail.com> wrote in message news:<3C4DC3FA.A29C40E9@hotmail.com>...
> Does anybody know a way how to get the
> coordinates (or polygons) of line contours,
> generated as IDLgrContour objects?
> I could not find an easy way, so I am thinking
> of using the CONTOUR procedure with the same input values,
> and retrieve the coordinates through the PATH_XY keyword.
> But its kinda tidious.
> Any help appreciated.
> Thanks,
> marc

Try the ISOCONTOUR procedure. It does exactly what you want. Under
the covers, it uses much of the code used to implement the
IDLgrContour object, so you'll get the same geometry that IDLgrContour
uses to draw the contours.

Karl
RSI

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