.TH WCS-PV2SIP "1" "July 2015" "0.56" "astrometry.net"
.SH NAME
wcs-pv2sip \- Convert TPV WCS headers to SIP distortion headers
.SH SYNOPSIS
.B wcs-pv2sip
[options]
\fIinput-wcs\fR \fIoutput-wcs\fR
.SH OPTIONS
.TP
\fB\-o\fR \fIorder\fR
SIP polynomial order to fit (default: 5)
.TP
\fB\-e\fR \fIext\fR
FITS HDU number to read WCS from (default 0 = primary)
.TP
\fB\-S\fR
Do NOT do the wcs_shift thing
.TP
\fB\-s\fR
Treat input as Scamp .head file
.TP
\fB\-t\fR
Override the CTYPE* cards in the WCS header, and assume they are TAN.
.TP
\fB\-v\fR
+verboseness
.TP
\fB\-W\fR \fIint\fR
Set the IMAGEW in the output file
.TP
\fB\-H\fR \fIint\fR
Set the IMAGEH in the output file
.TP
\fB\-x\fR \fInum\fR
x-low (default: 1)
.TP
\fB\-y\fR \fInum\fR
y-low (default: 1)
.TP
\fB\-X\fR \fInum\fR
x-high (default: image width)
.TP
\fB\-Y\fR \fInum\fR
y-high (default: image width)
.TP
\fB\-a\fR \fIsize\fR
Set the pixel values used to compute the distortion polynomials with
(default: closest to 100 yielding whole number of steps)
.SH AUTHOR
The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and
Dustin Lang (CMU).
.SH SEE ALSO
http://astrometry.net