This is the command wcs-pv2sip that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
wcs-pv2sip - Convert TPV WCS headers to SIP distortion headers
SYNOPSIS
wcs-pv2sip [options] input-wcs output-wcs
OPTIONS
-o order
SIP polynomial order to fit (default: 5)
-e ext FITS HDU number to read WCS from (default 0 = primary)
-S Do NOT do the wcs_shift thing
-s Treat input as Scamp .head file
-t Override the CTYPE* cards in the WCS header, and assume they are TAN.
-v +verboseness
-W int Set the IMAGEW in the output file
-H int Set the IMAGEH in the output file
-x num x-low (default: 1)
-y num y-low (default: 1)
-X num x-high (default: image width)
-Y num y-high (default: image width)
-a size
Set the pixel values used to compute the distortion polynomials with (default:
closest to 100 yielding whole number of steps)
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