From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

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 noao/imred/vtel/doc/trim.hlp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 noao/imred/vtel/doc/trim.hlp

(limited to 'noao/imred/vtel/doc/trim.hlp')

diff --git a/noao/imred/vtel/doc/trim.hlp b/noao/imred/vtel/doc/trim.hlp
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+.help trim Jan85 noao.imred.vtel
+.ih
+NAME
+trim -- Trim the limb. Zero all pixels off the limb in a full disk image
+.ih
+USAGE
+trim inputimage threshold
+.ih
+PARAMETERS
+.ls inputimage
+Name of data image to trim.
+.le
+.ls threshold
+Squibby brightness value to use as a threshold in determining the limb.
+.le
+.ih
+DESCRIPTION
+Trim scans all the pixels in an image and sets those pixels to zero that
+contain a squibby brightness smaller than the threshold value.  This is
+done in place, that is, the input image gets modified.
+.ih
+EXAMPLES
+1. To trim a data image called 'data' with a squibby brightness threshold
+of 4 (the standard value) the command would be:
+
+.nf
+	vt> trim data 4
+.fi
+
+.ih
+SEE ALSO
+getsqib, putsqib
+.endhelp
-- 
cgit 

