[GRASS-SVN] r34246 - grass/branches/develbranch_6/imagery/i.rectify

[svn_grass at osgeo.org]

Author: msieczka
Date: 2008-11-11 05:43:23 -0500 (Tue, 11 Nov 2008)
New Revision: 34246

Modified:
   grass/branches/develbranch_6/imagery/i.rectify/description.html
Log:
Reverting bad commit.

Modified: grass/branches/develbranch_6/imagery/i.rectify/description.html
===================================================================
--- grass/branches/develbranch_6/imagery/i.rectify/description.html	2008-11-11 10:24:20 UTC (rev 34245)
+++ grass/branches/develbranch_6/imagery/i.rectify/description.html	2008-11-11 10:43:23 UTC (rev 34246)
@@ -1,31 +1,36 @@
 <H2>DESCRIPTION</H2>
 
 
-<EM>i.rectify</EM> uses the control points (GCPs) identified with
+<EM>i.rectify</EM> uses the control
+points identified in 
 <EM><A HREF="i.points.html">i.points</A></EM>
 or
 <EM><A HREF="i.vpoints.html">i.vpoints</A></EM>
 
-to calculate a transformation matrix based on a 1st, 2nd, or 3rd order
-polynomial, and then converts x,y cell coordinates of raster map(s) in the input
-imagery group, created with <EM><A HREF="i.group.html">i.group</A></EM>, to
-target coordinates for each cell in each input raster map. The <em>output</em>
-is a raster map, or a set of them with a transformed coordinate system (i.e., a
-different coordinate system than before it was rectified).
+to calculate a transformation matrix based on a  first,
+second, or third order polynomial and then converts x,y
+cell coordinates to standard map coordinates for each pixel
+in the image.  The result is a planimetric image with a
+transformed coordinate system (i.e., a different coordinate
+system than before it was rectified).
 
 <P>
-Upon completion of <EM>i.rectify</EM>, the rectified image is deposited in the
-target LOCATION, which was selected using
 
-<EM><A HREF="i.target.html">i.target</A></EM> prior to running
 <EM><A HREF="i.points.html">i.points</A></EM>
 or
-<EM><A HREF="i.vpoints.html">i.vpoints</A></EM>.
+<EM><A HREF="i.vpoints.html">i.vpoints</A></EM>
 
-<p>
-By default 
+must be run before <EM>i.rectify</EM>, and both programs
+are required to rectify an image.  An image must be
+rectified before it can reside in a standard coordinate
+LOCATION, and therefore be analyzed with the other map
+layers in the standard coordinate LOCATION.  Upon
+completion of <EM>i.rectify</EM>, the rectified image is
+deposited in the target standard coordinate LOCATION.  This
+LOCATION is selected using
 
-<!--
+<EM><A HREF="i.target.html">i.target</A></EM>.
+
 <H2>Program Prompts</H2>
 
 The first prompt in the program asks for the name of
@@ -167,8 +172,6 @@
 or removed.
 
 <P>
--->
-
 <!--
 Note: In interactive mode it is possible to define a new file name
 for the target images. This is (currently) not provided in command line