13.8 COORDINA
\zxhlp{ALTDEF} Sets frequency vs velocity relationship into image header
\zxhlp{ALTSWTCH} Switches between frequency and velocity in image header
\zxhlp{CODECIML} Convert between decimal and sexagesimal coordinate values
\zxhlp{COODEFIN} Define or modify an image axis coordinate description
\zxhlp{COORDINA} Array to hold coordinate values
\zxhlp{COPIXEL} Convert between physical and pixel coordinate values
\zxhlp{COSTAR} Verb to plot a symbol at given position on top of a TV image
\zxhlp{COTVLOD} Proc to load an image into a TV channel about a coordinate
\zxhlp{COWINDOW} Set a window based on coordinates
\zxhlp{EPOCONV} Convert between J2000 and B1950 coordinates
\zxhlp{EPOSWTCH} Switches between B1950 and J2000 coordinates in header
\zxhlp{FRMAP} Task to build a map using fringe rate spectra
\zxhlp{FSHIFT} specifies a position shift - output from fitting routines
\zxhlp{NAXIS} Axis number
\zxhlp{OBEDT} Task to flag data of orbiting antennas
\zxhlp{OBTAB} Recalculate orbit parameters and other spacecraft info
\zxhlp{PIX2VAL} An image value in the units specified in the header.
\zxhlp{PIX2XY} Specifies a pixel in an image
\zxhlp{RASHIFT} Shift in RA
\zxhlp{REGRD} Regrids an image from one co-ordinate frame to another
\zxhlp{RESTFREQ} Rest frequency of a transition
\zxhlp{ROTATE} Specifies a rotation
\zxhlp{SHIFT} specifies a position shift
\zxhlp{SKYVE} Regrids a DSS image from one co-ordinate frame to another
\zxhlp{SYSVEL} Systemic velocity
\zxhlp{VELDEF} Specifies velocity definition
\zxhlp{VELTYP} Velocity frame of reference
\zxhlp{XINC} increment associated with an array of numbers
\zxhlp{XPARM} General adverb for up to 10 parameters, may refer to X coord
\zxhlp{XTRAN} Create an image with transformed coordinates
\zxhlp{XTYPE} X axis (U) convolving function type
\zxhlp{XYRATIO} Ratio of X to Y units per pixel
\zxhlp{ZINC} Set the increment of the third axis
\zxhlp{ZXRATIO} Ratio between Z axis (pixel value) and X axis