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diff --git a/vo/votools/doc/wcsinfo.hlp b/vo/votools/doc/wcsinfo.hlp new file mode 100644 index 00000000..a387bf4c --- /dev/null +++ b/vo/votools/doc/wcsinfo.hlp @@ -0,0 +1,77 @@ +.help wcsinfo Mar12 votools +.ih +NAME +wcsinfo -- Determine the WCS information of an image +.ih +USAGE +wcsinfo image +.ih +PARAMETERS +.ls image +The input image name. +.le +.ls verbose = no +Print verbose output? +.le + +.ls OUTPUT PARAMETERS +After reading the image, the following task parameters are updated with +the values derived from the input image: + +.nf + (pos = "") POS string + (size = 0.) SIZE value + (ra = 0.) RA value + (dec = 0.) DEC value + (llx = 0.) LLX wcs corner + (lly = 0.) LLY wcs corner + (urx = 0.) URX wcs corner + (ury = 0.) URY wcs corner + (midx = 0.) X wcs midpoint + (midy = 0.) Y wcs midpoint + (scale = 0.) Scale ("/pix) + (rot = 0.) Rotation (deg) + (width = 0.) Plt width (arcmin) + (height = 0.) Plt height (arcmin) + (axmap = "") Axis mapping + (epoch = 0.) Epoch + (equinox = 0.) Equinox + (ctype1 = "") CTYPE1 + (ctype2 = "") CTYPE2 + (crval1 = 0.) CRVAL1 + (crval2 = 0.) CRVAL2 + (crpix1 = 0.) CRPIX1 + (crpix2 = 0.) CRPIX2 + (cd11 = 0.) CD1_1 + (cd12 = 0.) CD1_2 + (cd21 = 0.) CD2_1 + (cd22 = 0.) CD2_2 + (ispix = no) Pixel only coords? +.fi + +.ih +DESCRIPTION + +The \fIWCSINFO\fR task is used to determine the WCS information in an image +in ways which make it easy for script developers to use specific values +easily (e.g. the plate center, scale, size, corners, etc). Images of +arbitrary axis mapping and rotation can be used. If no WCS information +can be found in the image, the \fIispix\fR parameter will be set to +'yes'. + + +.ih +EXAMPLES +1. Summarize the WCS information about the dev$ypix test image: + +.nf + votools> wcsinfo dev$ypix +.fi + +.ih +REVISIONS +. +.ih +SEE ALSO +getcat, getimg +.endhelp |