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i.segment: update manual

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62830 15284696-431f-4ddb-bdfa-cd5b030d7da7
Markus Metz 10 years ago
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imagery/i.segment/i.segment.html

@@ -104,6 +104,13 @@ final pass, the threshold is ignored for any segments smaller then
 the set size, thus forcing very small segments to merge with their 
 the set size, thus forcing very small segments to merge with their 
 most similar neighbor.
 most similar neighbor.
 
 
+<h3>Goodness of Fit</h3>
+The <b>goodness</b> of fit for each pixel is calculated as 1 - distance 
+of the pixel to the object it belongs to. The distance is calculated 
+with the selected <b>similarity</b> method. A value of 1 means 
+identical values, perfect fit, and a value of 0 means maximum possible 
+distance, worst possible fit.
+
 <h2>EXAMPLE</h2>
 <h2>EXAMPLE</h2>
 This example uses the ortho photograph included in the NC Sample 
 This example uses the ortho photograph included in the NC Sample 
 Dataset. Set up an imagery group:
 Dataset. Set up an imagery group: