[GRASS-SVN] r56758 - grass-addons/grass6/raster/r.fuzzy.system
svn_grass at osgeo.org
svn_grass at osgeo.org
Mon Jun 17 02:35:34 PDT 2013
Author: neteler
Date: 2013-06-17 02:35:34 -0700 (Mon, 17 Jun 2013)
New Revision: 56758
Modified:
grass-addons/grass6/raster/r.fuzzy.system/description.html
Log:
r.fuzzy.system.html: indications about specifying map names added
Modified: grass-addons/grass6/raster/r.fuzzy.system/description.html
===================================================================
--- grass-addons/grass6/raster/r.fuzzy.system/description.html 2013-06-17 09:33:38 UTC (rev 56757)
+++ grass-addons/grass6/raster/r.fuzzy.system/description.html 2013-06-17 09:35:34 UTC (rev 56758)
@@ -2,10 +2,11 @@
<dl>
<dt><b>maps</b></dt>
-<dd>A text file containing maps name and fuzzy sets connected with map
-definition. Maps in text file must exist on a search path, except the output
-map. The name of output map name is the output name parameter. In map file
-outmput map is marked by special name <b>_OUTPUT_</b> If maps are in different
+<dd>A text file containing maps name and fuzzy sets connected with map
+definition. The input maps (indicated with % in text file) must be found
+in the search path.
+The output map name is the output name parameter. In map file
+output map is marked by special name <b>_OUTPUT_</b> If maps are in different
mapsets the name require @. Map names in database cannot contain following
symbols: <b> %,$ and #</b>. Every map name must start with map name
identifier:<b> %</b>. Every set definition connected with cetrain map must
@@ -122,10 +123,10 @@
definition. It usually creates triangular consequent set definition.
</ul>
</dd>
-<dt><b>defuzz: defuzzyfication method</b></dt>
-<dd>Before deffuzification all consequents are agregated into one fuzzy set.
+<dt><b>defuzz: defuzzification method</b></dt>
+<dd>Before defuzzification all consequents are agregated into one fuzzy set.
Defuzzification is the process of conversion of aggregated fuzzy set into one
-crisp value. The r.fuzzy.system provides 5 methods of defuzzyfication:
+crisp value. The r.fuzzy.system provides 5 methods of defuzzification:
<ul>
<li><b>centroid</b> center of mass of the fuzzy set (in practise weighted mean);
<li><b>bisector</b> a value which divide fuzzy set on two parts of equal area;
@@ -139,7 +140,7 @@
consequent and agregated fuzzy sets. The resolution provides number of elements
of these fuzzy sets. The minimum and maximum for univese is taken from the
minimal and maximal values of fuzzy set definition of output map Because it has
-strong impact on computation time and precision of deffuzification, values lower
+strong impact on computation time and precision of defuzzification, values lower
than 30 may impact on precision of final result, but values above 200 may slow
down computation time.
</dd>
@@ -161,7 +162,7 @@
<h2>OUTPUTS</h2>
<dl>
<dt><b>output</b></dt>
-<dd>Map containing deffuzified values. Map is always of type FCELLS and contains
+<dd>Map containing defuzzified values. Map is always of type FCELLS and contains
values defined in output universe.
</dd>
<dt><b>multipe output flag</b></dt>
@@ -236,7 +237,7 @@
To recive final map program calculate partial fuzzy set for all rules and next
agregate it into one fuzzy set. These fuzzy sets are created on value sequence
called universe. Every set has the number of elements equal to universe
-resolution. Such set cannot be stored as map so finally is deffuzified with
+resolution. Such set cannot be stored as map so finally is defuzzified with
method choosen by user.
<p>
First we need two maps created with r.stream package:
@@ -258,6 +259,11 @@
rules. For this example:
<p>MAPS
+
+Note: the raster map names are specified with a "%" character (here
+"%elevation" and "%distance" are the input maps and "%flood" the
+output map:
+
<div class="code"><pre>
#flood.map
%elevation
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