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Fitting an ROI to a distribution of points [message #47281] Wed, 01 February 2006 09:01
Olivia is currently offline  Olivia
Messages: 16
Registered: February 2006
Junior Member
I have a set of (x,y) coordinates which represent point-like galaxies
in a galaxy cluster. Ultimately I want to describe the shape of the
cluster as an ellipse, but I was planning on making some kind of blob
first. I thought of gaussian smoothing, but I cannot work out how to
get a filled in shape described by pixels to start working with. Does
anyone have any ideas?

Cheers,

Olivia

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