QGIS/python/plugins/sextante/saga/help/AverageWithThereshold1.html

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<h1 class='module'>Average With Thereshold 1</h1>
<div class='author'>Alessandro Perego</div>
<div class='description'>Average With Thereshold for Grids calculates average in X and Y distances unsing only the values that differ form central pixel less than a specified threshold. It's useful to remove noise whit a known maximum reducing the loss of informations</div>
<h2>Parameters</h2>
<dl class='parameters'>
<dt>Grid system <div class='type'>Grid system</div></dt><dd>Grid system <div class='constraints'></div></dd>
<dt>Input <div class='type'>Input Grid</div></dt><dd>This must be your input data of type grid. <div class='constraints'></div></dd>
<dt>AWT Grid <div class='type'>Output Grid</div></dt><dd>New grid filtered with the A1WiTh module <div class='constraints'></div></dd>
<dt>Radius X <div class='type'>Integer</div></dt><dd> <div class='constraints'>Minimum: 1.0</div></dd>
<dt>Radius Y <div class='type'>Integer</div></dt><dd> <div class='constraints'>Minimum: 1.0</div></dd>
<dt>Threshold <div class='type'>Floating point</div></dt><dd>The values in the specified radius is used in the average calculation only if its difference with the central value is lesser or equal to this threshold. <div class='constraints'></div></dd>
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