Package skyview.util
Class CoordsPixel
- java.lang.Object
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- skyview.util.CoordsPixel
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public class CoordsPixel extends java.lang.Object
This class gives the coordinate values corresponding to a given pixel location in an image.
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Constructor Summary
Constructors Constructor Description CoordsPixel()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static void
main(java.lang.String[] args)
Usage:
java skyview.util.CoordsPixel file lon lat
where file is the name of the FITS file and lon and lat are the celestial J2000 coordinates Note that the pixel coordinates for an NxM image run from 0 to N and 0 to M.
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Method Detail
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main
public static void main(java.lang.String[] args) throws java.lang.Exception
Usage:
java skyview.util.CoordsPixel file lon lat
where file is the name of the FITS file and lon and lat are the celestial J2000 coordinates Note that the pixel coordinates for an NxM image run from 0 to N and 0 to M. The standard definition used within FITS for coordinates (e.g., in the CRPIX values) would range from 1/2 to N+1/2 and 1/2 to M+1/2.- Throws:
java.lang.Exception
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