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Topic: Finding boundary lines for set of points
Replies: 1   Last Post: Nov 12, 2013 4:31 PM

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Derek Goring

Posts: 3,922
Registered: 12/7/04
Re: Finding boundary lines for set of points
Posted: Nov 12, 2013 4:31 PM
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On Wednesday, November 13, 2013 10:17:07 AM UTC+13, lorderon wrote:
> Hi All,
> I have a large set of points around 5000. When I plot the figure it appears to have 4 different regions. I know what the points are for all the regions. My question is the following:
> Can I somehow only plot the boundary of the regions and basically fill the region?
> Thanks in advance,
> Lorderon

Yes, of course you can.
Use ginput to digitise the boundary of each region, then plot them using patch.
help ginput
help patch

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