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making polygon on top of image in IDL [message #56364] Wed, 17 October 2007 22:48
fanxing_gis is currently offline  fanxing_gis
Messages: 8
Registered: August 2007
Junior Member
hi all,
how to make a polygon on top of the image being zoomed into,like the
way in ENVI view windows and runs like that if you click on the image
then the polygon center is located at the corresponding positon
simultaneously.
thanks
fanxing

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