[GRASS-SVN] r35421 - grass/branches/releasebranch_6_4/scripts/i.tasscap

[svn_grass at osgeo.org]

Author: neteler
Date: 2009-01-15 13:27:55 -0500 (Thu, 15 Jan 2009)
New Revision: 35421

Added:
   grass/branches/releasebranch_6_4/scripts/i.tasscap/tasscap1.png
   grass/branches/releasebranch_6_4/scripts/i.tasscap/tasscap2.png
   grass/branches/releasebranch_6_4/scripts/i.tasscap/tasscap3.png
   grass/branches/releasebranch_6_4/scripts/i.tasscap/tasscap4.png
Modified:
   grass/branches/releasebranch_6_4/scripts/i.tasscap/description.html
Log:
example added

Modified: grass/branches/releasebranch_6_4/scripts/i.tasscap/description.html
===================================================================
--- grass/branches/releasebranch_6_4/scripts/i.tasscap/description.html	2009-01-15 18:25:57 UTC (rev 35420)
+++ grass/branches/releasebranch_6_4/scripts/i.tasscap/description.html	2009-01-15 18:27:55 UTC (rev 35421)
@@ -1,9 +1,58 @@
 <H2>DESCRIPTION</H2>
 
 
-<EM>i.tasscap</EM> calculates Tasseled Cap (Kauth Thomas) transformation for
-LANDSAT-TM data (TM4, TM5, TM7).
+<EM>i.tasscap</EM> calculates Tasseled Cap (Kauth Thomas, TC) transformation for
+LANDSAT-TM data (TM4, TM5, TM7). The following TC components are generated:
 
+<ul>
+<li> tasscap.1: corresponds to brightness,
+<li> tasscap.2: corresponds to greenness,
+<li> tasscap.3: corresponds to wetness,
+<li> tasscap.4: corresponds to atmospheric haze.
+</ul>
+
+<H2>EXAMPLE</H2>
+
+Calculation of TC maps from North Carolina Landsat scene:
+
+<div class="code"><pre>
+g.region rast=lsat7_2002_10 -p
+i.tasscap -7 band1=lsat7_2002_10 band2=lsat7_2002_20 \
+             band3=lsat7_2002_30 band4=lsat7_2002_40 \
+             band5=lsat7_2002_50 band7=lsat7_2002_70 \
+	     outprefix=tasscap
+</pre></div>
+
+Results:
+<p>
+<center>
+<img src="tasscap1.png" alt="'Brightness' Tasseled Cap component 1">
+<br>
+<i>'Brightness' Tasseled Cap component 1</i>
+</center>
+<p>
+
+<center>
+<img src="tasscap2.png" alt="'Greenness' Tasseled Cap component 2">
+<br>
+<i>'Greenness' Tasseled Cap component 2</i>
+</center>
+<p>
+
+<center>
+<img src="tasscap3.png" alt="'Wetness' Tasseled Cap component 3">
+<br>
+<i>'Wetness' Tasseled Cap component 3</i>
+</center>
+<p>
+
+<center>
+<img src="tasscap4.png" alt="'Atmospheric haze' Tasseled Cap component 4">
+<br>
+<i>'Atmospheric haze' Tasseled Cap component 4</i>
+</center>
+
+
 <H2>REFERENCES</H2>
 
 <ul>

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