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Definition of pixel centers in centroiding algorithm #47

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mpmdean opened this issue Dec 12, 2018 · 3 comments
Open

Definition of pixel centers in centroiding algorithm #47

mpmdean opened this issue Dec 12, 2018 · 3 comments

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@mpmdean
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mpmdean commented Dec 12, 2018

In order to consistently process image and centroided data. We need to know if the pixel centers are defined at integer or half-integer locations.
@mpmdean mpmdean assigned ambarb and unassigned ambarb Dec 12, 2018
@mpmdean
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mpmdean commented Dec 19, 2018

According to xcam, they are half-integer. The start of the indexing is to be confirmed.

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mpmdean commented Jan 7, 2019

xcam seem to suggest that the center of the first pixel will be at 1.5.

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mpmdean commented Jan 9, 2019

After a few back-and-forths xcam say that the center of the first pixel will be at (1,1)

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@mpmdean @ambarb