[GRASS-SVN] r70171 - grass/branches/releasebranch_7_0/scripts/i.tasscap
svn_grass at osgeo.org
svn_grass at osgeo.org
Wed Dec 28 13:04:32 PST 2016
Author: neteler
Date: 2016-12-28 13:04:32 -0800 (Wed, 28 Dec 2016)
New Revision: 70171
Modified:
grass/branches/releasebranch_7_0/scripts/i.tasscap/i.tasscap.html
Log:
i.tasscap manual: fix example for TOAR input
Modified: grass/branches/releasebranch_7_0/scripts/i.tasscap/i.tasscap.html
===================================================================
--- grass/branches/releasebranch_7_0/scripts/i.tasscap/i.tasscap.html 2016-12-28 20:57:16 UTC (rev 70170)
+++ grass/branches/releasebranch_7_0/scripts/i.tasscap/i.tasscap.html 2016-12-28 21:04:32 UTC (rev 70171)
@@ -6,13 +6,13 @@
The tasseled cap transformation is effectively a compression method to
reduce multiple spectral data into a few bands. The method was originally
developed for understanding important phenomena of crop development in
-spectral space (Kauth and Thomas 1976).
+spectral space (Kauth and Thomas, 1976).
<p>
Tasseled cap coefficients for Landsat 7 ETM+ are at-satellite reflectance
values (C. Huang et al., 2001), the conversion can be achieved with
<em>i.landsat.toar</em>.
<p>
-The following TC components are generated:
+The following tasseled cap components are generated:
<ul>
<li> tasscap.1: corresponds to brightness,
@@ -27,10 +27,13 @@
Calculation of TC maps from North Carolina Landsat 7 ETM scene:
<div class="code"><pre>
-g.region raster=lsat7_2002_10 -p
+# See manual page of i.landsat.toar for preprocessing
+
+g.region raster=lsat7_2002_toar.1 -p
+
i.tasscap sensor=landsat7_etm \
- input=lsat7_2002_10,lsat7_2002_20,lsat7_2002_30,lsat7_2002_40,lsat7_2002_50,lsat7_2002_70 \
- output=tasscap
+ input=lsat7_2002_toar.1,lsat7_2002_toar.2,lsat7_2002_toar.3,lsat7_2002_toar.4,lsat7_2002_toar.5,lsat7_2002_toar.7 \
+ output=lsat7_2002_tasscap
</pre></div>
Results:
@@ -98,13 +101,17 @@
<em>
<a href="i.albedo.html">i.albedo</a>,
-<a href="i.aster.toar.html">i.aster.toar</a>,
+<a href="i.atcorr.html">i.atcorr</a>,
<a href="i.landsat.toar.html">i.landsat.toar</a>,
-<a href="i.atcorr.html">i.atcorr</a>,
<a href="i.vi.html">i.vi</a>
</em>
-<h2>AUTHOR</h2>
+<h2>AUTHORS</h2>
-Markus Neteler, ITC-irst, based on a script by Agustin Lobo
+Dr. Agustin Lobo, original script, 1997
+<p>
+Markus Neteler, ITC-irst, 2001
+<p>
+Converted to Python by Glynn Clements
+
<p><i>Last changed: $Date$</i>
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