[AstroPy] got centroid?
adrianmpw at gmail.com
Thu Apr 12 18:26:15 EDT 2012
This may not help you because it's not so smart, but to zeroth order, you can
do something like this:
import scipy.ndimage as snd
labels, num = snd.label(imageData > (2.*sigma), np.ones((3,3)))
starCoordinates = snd.center_of_mass(imageData, labels, range(1,num+1))
Obviously it's making some nasty assumptions about the image, but it's at
least a place to start.
On Apr 12, 2012, at 6:12 PM, Wolfgang Kerzendorf wrote:
> Hey all,
> I just wanted to know if anyone has a quick and smart centroid script in any of the python libraries (easily installable). Even better would be star finding algorithms like sextractor.
> AstroPy mailing list
> AstroPy at scipy.org
Department of Astronomy
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