[GRASS-SVN] r58494 - grass-addons/grass7/raster/r.shaded.pca
svn_grass at osgeo.org
svn_grass at osgeo.org
Thu Dec 19 14:54:34 PST 2013
Author: wenzeslaus
Date: 2013-12-19 14:54:33 -0800 (Thu, 19 Dec 2013)
New Revision: 58494
Added:
grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.png
Modified:
grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.html
Log:
r.shaded.pca: adding image, improving formatting
Modified: grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.html
===================================================================
--- grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.html 2013-12-19 22:46:26 UTC (rev 58493)
+++ grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.html 2013-12-19 22:54:33 UTC (rev 58494)
@@ -3,22 +3,22 @@
<em>r.shaded.pca</em> is a tool for the generation
of RGB composite of the three main components
of PCA created from different hill shades
-(created by <a href="r.shaded.relief.html">r.shaded.relief</a>).
+(created by <em><a href="r.shaded.relief.html">r.shaded.relief</a></em>).
<h3>Input parameters explanation</h3>
Input parameters are the same as for
-<a href="r.shaded.relief.html">r.shaded.relief</a> module except for
+<em><a href="r.shaded.relief.html">r.shaded.relief</a></em> module except for
an <i>azimuth</i> parameter which is replaced by <i>nazimuths</i> parameter
(we need to specify number of different azimuths rather than one)
and for an <i>nprocs</i> parameter which adds the possibility to run the
-shades creation (<a href="r.shaded.relief.html">r.shaded.relief</a>)
-in parallel. However, the speed of <a href="i.pca.html">r.i.pca</a>
+shades creation (<em><a href="r.shaded.relief.html">r.shaded.relief</a></em>)
+in parallel. However, the speed of <em><a href="i.pca.html">i.pca</a></em>
limits the overall speed of this module.
In order to provide simple interface, it is not possible to customize
principal component analyses which uses the default settings of the
-<a href="i.pca.html">r.i.pca</a> module.
+<em><a href="i.pca.html">i.pca</a></em> module.
<h3>Output parameters explanation</h3>
@@ -29,12 +29,12 @@
If you want to create your own RGB composition, HIS composition or do another
analyses you can specify the <i>pca_shades_basename</i> parameter. If this
parameter is specified, the module outputs the PCA maps as created during
-the process by <a href="i.pca.html">r.i.pca</a>.
+the process by <em><a href="i.pca.html">r.i.pca</a></em>.
Moreover, if you would like to add one of the shades to your composition,
you can specify the <i>shades_basename</i> parameter then the module will
output also the hill shade maps as created during
-the process by <a href="r.shaded.relief.html">r.shaded.relief</a>.
+the process by <em><a href="r.shaded.relief.html">r.shaded.relief</a></em>.
One of the shades can be used to subtract the intensity channel in HIS
composition or just as an overlay in your visualization tool.
@@ -51,6 +51,17 @@
shades_basename=elevation_pca_shaded_shades pca_shades_basename=elevation_pca_shaded_pcs
</pre></div>
+<!--
+region used for image unknown but something like is ok:
+g.region n=228010 s=223380 w=637980 e=644920 res=10
+default settings used
+-->
+<center>
+<img src="r.shaded.pca.png" alt="3 PCA RGB composition">
+<p>
+Figure: The RGB composition of first 3 PCA components
+(output from <em>r.shaded.pca</em> with default values)
+</center>
<h2>SEE ALSO</h2>
@@ -65,7 +76,7 @@
<h2>AUTHOR</h2>
-Vaclav Petras<br>
+Vaclav Petras, <a href="http://gis.ncsu.edu/osgeorel/">NCSU OSGeoREL</a>
<p>
<i>Last changed: $Date$</i>
Added: grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.png
===================================================================
(Binary files differ)
Property changes on: grass-addons/grass7/raster/r.shaded.pca/r.shaded.pca.png
___________________________________________________________________
Added: svn:mime-type
+ image/png
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