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how to fill the region with know boundary directly on the figure

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Ki
Ki 2012-2-29
Hi there, I have a image plotted to a figure and by selecting some point with mouse, I outline the coordinates on the boundary. In side the boundary, there are lots of detail, so how can I fill all pixels inside that boundary with some color directly in the plot?
The coordinates obtained is mathematical coordinates instead of pixel coordinates. Thanks.

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Rick Rosson
Rick Rosson 2012-3-1
>> doc patch

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