Hi all,

Looking for help aggregating some field data subplots to the plot level. In
the attached screenshot, you can see clusters of 4 points (4 subplots = 1
plot). I'd like to create a circle around each cluster that is the smallest
circle that would encompass all 4 points. Sort of like a convex hull, but a
circle (convex hull, in this case, would give me a triangle). Is there a
tool or a series of steps to accomplish this without doing it manually? In
the attribute table, I have a unique ID for each plot/cluster. So for each
plot ID (in this case, consisting of 4 subplots), I'd like to build a
circle around all of the subplots.

I should also mention that it's not always 4 points (subplots), and they
aren't always covering the same size area on the ground.

I have QGIS 2.14.2 as well as one of the nightly builds from a few weeks
ago (can download the newest one if necessary).

Thanks in advance for any ideas/insights! Google has not helped me so much
yet with this one!
Tina


[image: Inline image 2]
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