WPREP: Write a Record into a Batch Surface Photometry Prep-File

WPREP writes a record into a batch surface photometry preparation file opened using OPREP. The data written in each record are as follows:

• SKY value (from VISTA variable SKY)
• max. radius for photometry (from variable RMAX)
• estimated HWHM for the PSF (from variable PSF)
• contents of the AXES block (from AXES)
• image header.

This information is formatted to be read by RPREP. The file must have already been opened with write-access using the `OPREP W' command.

NOTE: You must compute the image parameters above ahead of time, either outside of VISTA or using the AXES command without the CORR option.

See Also: OPREP, RPREP, CLPREP