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<div>Use raster calculator (Mapcalc) "if statements". Takes a bit to understand but works very well<br>
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Sent from my iPhone</div>
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On Feb 19, 2017, at 1:56 PM, Luiz Andrade <<a href="mailto:lcoandrade@gmail.com">lcoandrade@gmail.com</a>> wrote:<br>
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<div class="">Hi there,</div>
<div class="">How can I make a raster classification using decision tree in GRASS (like ENVI’s decision tree)?</div>
<div class="">I have two bands and a set os rules and I wanna make a classification with those rules. Something like this:</div>
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<div class="">B1=0 (using band 1)</div>
<div class="">yes->water</div>
<div class="">no-> 0<=B1<=4 (using band 1)</div>
<div class=""> yes-> B2=1(using band 2)</div>
<div class=""> yes -> vegetation 1</div>
<div class=""> no -> vegetation 2</div>
<div class=""> no-> everything else</div>
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<div class="">Can I do this with r.mapcalc?</div>
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<div style="orphans: 2; widows: 2;" class="">Regards,</div>
<div style="orphans: 2; widows: 2;" class="">Luiz Claudio</div>
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