[GRASS-SVN] r66222 - grass/trunk/imagery/i.maxlik

[svn_grass at osgeo.org]

Author: neteler
Date: 2015-09-14 09:35:33 -0700 (Mon, 14 Sep 2015)
New Revision: 66222

Added:
   grass/trunk/imagery/i.maxlik/i_maxlik_rejection.png
   grass/trunk/imagery/i.maxlik/i_maxlik_rgb.png
Modified:
   grass/trunk/imagery/i.maxlik/
   grass/trunk/imagery/i.maxlik/i.maxlik.html
   grass/trunk/imagery/i.maxlik/i_maxlik_classes.png
Log:
i.maxlik manual: screenshots added


Property changes on: grass/trunk/imagery/i.maxlik
___________________________________________________________________
Modified: svn:ignore
   - OBJ.*

   + OBJ.*
*.tmp.html


Modified: grass/trunk/imagery/i.maxlik/i.maxlik.html
===================================================================
--- grass/trunk/imagery/i.maxlik/i.maxlik.html	2015-09-14 14:29:28 UTC (rev 66221)
+++ grass/trunk/imagery/i.maxlik/i.maxlik.html	2015-09-14 16:35:33 UTC (rev 66222)
@@ -78,11 +78,13 @@
 
 <h2>EXAMPLE</h2>
 
-Completion of the unsupervised classification of
-a LANDSAT subscene (VIZ, NIR, MIR channels) in North Carolina
-(see <em><a href="i.cluster.html">i.cluster</a></em> manual page for the first part):
+Second part of the unsupervised classification of a LANDSAT subscene
+(VIZ, NIR, MIR channels) in North Carolina (see
+<em><a href="i.cluster.html">i.cluster</a></em> manual page for the first
+part of the example):
 
 <div class="code"><pre>
+# using here the signaturefile created by i.cluster
 i.maxlik group=lsat7_2002 subgroup=lsat7_2002 \
   signaturefile=sig_cluster_lsat2002 \
   output=lsat7_2002_cluster_classes reject=lsat7_2002_cluster_reject
@@ -96,8 +98,9 @@
 r.report lsat7_2002_cluster_reject units=k,p
 
 # optionally, filter out pixels with high level of rejection
-# here we select 90% which is category 12
-r.mapcalc "lsat7_2002_cluster_classes_filtered = if(lsat7_2002_cluster_reject < 12, lsat7_2002_cluster_classes, null())"
+# here we remove pixels of at least 90% of rejection probability, i.e. categories 12-16
+r.mapcalc "lsat7_2002_cluster_classes_filtered = \
+           if(lsat7_2002_cluster_reject <= 12, lsat7_2002_cluster_classes, null())"
 </pre></div>
 
 <!--
@@ -106,8 +109,14 @@
 -->
 <p>
 <center>
+<img src="i_maxlik_rgb.png"><br>
+RGB composite of input data
+<p>
 <img src="i_maxlik_classes.png"><br>
-Resulting raster with classified pixels
+Output raster map with pixels classified (10 classes)
+<p>
+<img src="i_maxlik_rejection.png"><br>
+Output raster map with rejection probability values (pixel classification confidence levels)
 </center>
 
 

Modified: grass/trunk/imagery/i.maxlik/i_maxlik_classes.png
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(Binary files differ)

Added: grass/trunk/imagery/i.maxlik/i_maxlik_rejection.png
===================================================================
(Binary files differ)


Property changes on: grass/trunk/imagery/i.maxlik/i_maxlik_rejection.png
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Added: svn:mime-type
   + image/png

Added: grass/trunk/imagery/i.maxlik/i_maxlik_rgb.png
===================================================================
(Binary files differ)


Property changes on: grass/trunk/imagery/i.maxlik/i_maxlik_rgb.png
___________________________________________________________________
Added: svn:mime-type
   + image/png