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making a circle of certain values [message #56132]

Mon, 01 October 2007 12:52

rpertaub@gmail.com
Messages: 43
Registered: January 2007

Member

Hi,
I have a set of data points (x,y coordinates) that can be plotted on
my 1240,1024 array. However, they are sparse x,y spots across the
image, and I want to 'thicken' it by drawing a circle with my x,y as
centers. I want to give it a certain radius and a certain value too,
so that the pixels in the circle (the filling) have values and can
thus contribute to my rgb image...
anyone know how to draw a circle, and assign a value to pixels within
that circle?

Thanks!
RP

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