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@@ -114,6 +114,8 @@ input.
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<h2>EXAMPLES</h2>
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+<h3>Reclass rules examples</h3>
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+
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The following examples may help clarify the reclass rules.
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<p><dl>
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<dt>
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@@ -186,6 +188,45 @@ category values 1 and 2),
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the last label which was specified becomes the label for that category.
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In this case the labels are assigned exactly as in the two previous examples.
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+<h3>Usage example</h3>
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+
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+In this example, the 21 classes of the landuse map (North Carolina sample
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+dataset) are simplified to 7 classes:
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+
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+<div class="code"><pre>
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+r.category landuse96_28m
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+0 not classified
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+1 High Intensity Developed
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+2 Low Intensity Developed
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+3 Cultivated
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+[...]
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+20 Water Bodies
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+21 Unconsolidated Sediment
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+
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+# use this command or save rules with editor in textfile "landuserecl.txt"
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+echo "0 = NULL
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+1 2 = 1 developed
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+3 = 2 agriculture
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+4 6 = 3 herbaceous
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+7 8 9 = 4 shrubland
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+10 thru 18 = 5 forest
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+20 = 6 water
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+21 = 7 sediment" > landuserecl.txt
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+
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+r.reclass input=landuse96_28m output=landclass96_recl \
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+ rules=landuserecl.txt \
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+ title="Simplified landuse classes 1996"
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+
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+# verify result
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+r.category landuse96_recl
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+1 developed
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+2 agriculture
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+3 herbaceous
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+4 shrubland
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+5 forest
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+6 water
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+7 sediment
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+</pre></div>
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<h2>SEE ALSO</h2>
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Markus Neteler