.help skiiwrite Mar00 Skywcs .ih NAME skiiwrite -- write the sky coordinate system summary to a file .ih SYNOPSIS call sk_iiwrite (outfd, label, imagesys, mw, coo) .nf int outfd # the input file descriptor char label # the input user label char imagesys # the input image system pointer mw # the input mwcs descriptor pointer coo # the sky coordinate descriptor .fi .ih ARGUMENTS .ls outfd The input file descriptor. .le .ls label The input user supplied label, e.g. "Input System", "Ref System", "Output System" etc. .le .ls imagesys The input image system, e.g. "dev$ypix logical", "dev$ypix world", etc. .le .ls mwcs The input image mwcs descriptor if defined. If mwcs is defined then information about which sky coordinate corresponds to which image axis etc is read from the mwcs descriptor. .le .ls coo The input sky coordinate descriptor. .le .ih DESCRIPTION A summary of the sky coordinate system is written to a file. .ih SEE ALSO skiiprint .endhelp