graph.xml

<?xml version="1.0" encoding="UTF-8"?>
<graph>
  <version>1.0</version>
  <node id="read">
    <operator>Read</operator>
    <sources/>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <bandNames/>
      <copyMetadata>true</copyMetadata>
      <file>/home/fbrito/Downloads/temp0.tif</file>
      <formatName>GeoTiff</formatName>
      <geometryRegion/>
      <maskNames/>
      <pixelRegion/>
    </parameters>
  </node>
  <node id="dbToLinear">
    <operator>BandMaths</operator>
    <sources>
      <sourceProduct refid="read"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <targetBands>
        <targetBand>
          <name>band_1</name>
          <expression>pow(10,(band_1/10))</expression>
          <type>float32</type>
          <description/>
          <unit/>
          <no_data_value>0.0</no_data_value>
        </targetBand>
      </targetBands>
      <variables/>
    </parameters>
  </node>
  <node id="speckle-filter">
    <operator>Speckle-Filter</operator>
    <sources>
      <sourceProduct refid="dbToLinear"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <anSize>50</anSize>
      <dampingFactor>2</dampingFactor>
      <enl>1.0</enl>
      <estimateENL>true</estimateENL>
      <filter>Lee Sigma</filter>
      <filterSizeX>3</filterSizeX>
      <filterSizeY>3</filterSizeY>
      <numLooksStr>1</numLooksStr>
      <sigmaStr>0.9</sigmaStr>
      <sourceBandNames/>
      <targetWindowSizeStr>3x3</targetWindowSizeStr>
      <windowSize>5x5</windowSize>
    </parameters>
  </node>
  <node id="linearTodb">
    <operator>BandMaths</operator>
    <sources>
      <sourceProduct refid="speckle-filter"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <targetBands>
        <targetBand>
          <name>band_1</name>
          <expression>10*log10(band_1)</expression>
          <type>float32</type>
          <description/>
          <unit/>
          <no_data_value>0.0</no_data_value>
        </targetBand>
      </targetBands>
      <variables/>
    </parameters>
  </node>
  <node id="stretching">
    <operator>BandMaths</operator>
    <sources>
      <sourceProduct refid="linearTodb"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <targetBands>
        <targetBand>
          <name>band_1</name>
          <expression>if fneq(band_1,0.0) then (if band_1 &amp;lt;= -27 then -27 else (if band_1 &amp;gt;= 0 then 0 else band_1)) else NaN</expression>
          <type>float32</type>
          <description/>
          <unit/>
          <no_data_value>0.0</no_data_value>
        </targetBand>
      </targetBands>
      <variables/>
    </parameters>
  </node>
  <node id="encoding8bit">
    <operator>BandMaths</operator>
    <sources>
      <sourceProduct refid="stretching"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <targetBands>
        <targetBand>
          <name>band_1</name>
          <expression>if !nan(band_1) then floor(band_1*9.4+255) else NaN</expression>
          <type>float32</type>
          <description/>
          <unit/>
          <no_data_value>0.0</no_data_value>
        </targetBand>
      </targetBands>
      <variables/>
    </parameters>
  </node>
  <node id="write">
    <operator>Write</operator>
    <sources>
      <sourceProduct refid="encoding8bit"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <clearCacheAfterRowWrite>false</clearCacheAfterRowWrite>
      <deleteOutputOnFailure>true</deleteOutputOnFailure>
      <file>res1.tif</file>
      <formatName>GeoTIFF-BigTIFF</formatName>
      <writeEntireTileRows>false</writeEntireTileRows>
    </parameters>
  </node>
</graph>