XMM-Newton Science Analysis System


ssclib (ssclib-4.36.1) [xmmsas_20230412_1735-21.0.0]

raDecToPixels

  interface raDecToPixels
    subroutine raDecToPixelsScalar(ra, dec, wcs, xPixel, yPixel)

      real(double), intent(in)  :: ra,&
                                   dec
      type(WcsT),   intent(in)  :: wcs	! defined in ssclib/wcs_aux
      real(single), intent(out) :: xPixel,&
                                   yPixel
    end subroutine raDecToPixelsScalar

    subroutine raDecToPixelsVector(ra, dec, wcs, xPixel, yPixel)

      real(double), intent(in)  :: ra(:),&
                                   dec(size(ra))
      type(WcsT),   intent(in)  :: wcs	! defined in ssclib/wcs_aux
      real(single), intent(out) :: xPixel(size(ra)),&
                                   yPixel(size(ra))
    end subroutine raDecToPixelsVector

    subroutine raDecToPixelsArray(ra, dec, wcs, xPixel, yPixel)
  
      real(double), intent(in)  :: ra(:,:),&
                                   dec(size(ra,1),size(ra,2))
      type(WcsT),   intent(in)  :: wcs	! defined in ssclib/wcs_aux
      real(single), intent(out) :: xPixel(size(ra,1),size(ra,2)),&
                                   yPixel(size(ra,1),size(ra,2))
    end subroutine raDecToPixelsArray
 
  end interface

This subroutins returns the pixel coordinates for the given set of the celestial coordinates in degree.