snap_graph.xml

<graph id="Graph">
  <version>1.0</version>
  <!-- usage example: 
    /usr/local/snap/bin/gpt all-steps.xml -Pinput=PATH_TO_MANIFEST_FILE/manifest.safe -Pvh_result_file_name=PATH_TO_RESULT_FILE/vh.tif -Pvv_result_file_name=PATH_TO_RESULT_FILE/vv.tif 
  -->
  <node id="Read">
    <operator>Read</operator>
    <sources/>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <file>${input}</file>
      <formatName>SENTINEL-1</formatName>
    </parameters>
  </node>
  <node id="ThermalNoiseRemoval">
    <operator>ThermalNoiseRemoval</operator>
    <sources>
      <sourceProduct refid="Read"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <selectedPolarisations/>
      <removeThermalNoise>true</removeThermalNoise>
      <reIntroduceThermalNoise>false</reIntroduceThermalNoise>
    </parameters>
  </node>
  <node id="Remove-GRD-Border-Noise">
    <operator>Remove-GRD-Border-Noise</operator>
    <sources>
      <sourceProduct refid="ThermalNoiseRemoval"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <selectedPolarisations/>
      <borderLimit>500</borderLimit>
      <trimThreshold>0.5</trimThreshold>
    </parameters>
  </node>
  <node id="Calibration">
    <operator>Calibration</operator>
    <sources>
      <sourceProduct refid="Remove-GRD-Border-Noise"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <sourceBands/>
      <auxFile>Product Auxiliary File</auxFile>
      <externalAuxFile/>
      <outputImageInComplex>false</outputImageInComplex>
      <outputImageScaleInDb>false</outputImageScaleInDb>
      <createGammaBand>false</createGammaBand>
      <createBetaBand>false</createBetaBand>
      <selectedPolarisations>VV</selectedPolarisations>
      <outputSigmaBand>false</outputSigmaBand>
      <outputGammaBand>true</outputGammaBand>
      <outputBetaBand>false</outputBetaBand>
    </parameters>
  </node>
  <node id="Calibration(2)">
    <operator>Calibration</operator>
    <sources>
      <sourceProduct refid="Remove-GRD-Border-Noise"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <sourceBands/>
      <auxFile>Product Auxiliary File</auxFile>
      <externalAuxFile/>
      <outputImageInComplex>false</outputImageInComplex>
      <outputImageScaleInDb>false</outputImageScaleInDb>
      <createGammaBand>false</createGammaBand>
      <createBetaBand>false</createBetaBand>
      <selectedPolarisations>VH</selectedPolarisations>
      <outputSigmaBand>false</outputSigmaBand>
      <outputGammaBand>true</outputGammaBand>
      <outputBetaBand>false</outputBetaBand>
    </parameters>
  </node>
  <node id="Terrain-Correction">
    <operator>Terrain-Correction</operator>
    <sources>
      <sourceProduct refid="Calibration"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <sourceBands/>
      <demName>SRTM 3Sec</demName>
      <externalDEMFile/>
      <externalDEMNoDataValue>0.0</externalDEMNoDataValue>
      <externalDEMApplyEGM>true</externalDEMApplyEGM>
      <demResamplingMethod>BILINEAR_INTERPOLATION</demResamplingMethod>
      <imgResamplingMethod>BILINEAR_INTERPOLATION</imgResamplingMethod>
      <pixelSpacingInMeter>0.0</pixelSpacingInMeter> 
      <pixelSpacingInDegree>0.0</pixelSpacingInDegree> 
      <mapProjection>AUTO:42001</mapProjection>
      <alignToStandardGrid>false</alignToStandardGrid>
      <standardGridOriginX>0.0</standardGridOriginX>
      <standardGridOriginY>0.0</standardGridOriginY>
      <nodataValueAtSea>true</nodataValueAtSea>
      <saveDEM>false</saveDEM>
      <saveLatLon>false</saveLatLon>
      <saveIncidenceAngleFromEllipsoid>false</saveIncidenceAngleFromEllipsoid>
      <saveLocalIncidenceAngle>false</saveLocalIncidenceAngle>
      <saveProjectedLocalIncidenceAngle>false</saveProjectedLocalIncidenceAngle>
      <saveSelectedSourceBand>true</saveSelectedSourceBand>
      <outputComplex>false</outputComplex>
      <applyRadiometricNormalization>false</applyRadiometricNormalization>
      <saveSigmaNought>false</saveSigmaNought>
      <saveGammaNought>false</saveGammaNought>
      <saveBetaNought>false</saveBetaNought>
      <incidenceAngleForSigma0>Use projected local incidence angle from DEM</incidenceAngleForSigma0>
      <incidenceAngleForGamma0>Use projected local incidence angle from DEM</incidenceAngleForGamma0>
      <auxFile>Latest Auxiliary File</auxFile>
      <externalAuxFile/>
    </parameters>
  </node>
  <node id="Terrain-Correction(2)">
    <operator>Terrain-Correction</operator>
    <sources>
      <sourceProduct refid="Calibration(2)"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <sourceBands/>
      <demName>SRTM 3Sec</demName>
      <externalDEMFile/>
      <externalDEMNoDataValue>0.0</externalDEMNoDataValue>
      <externalDEMApplyEGM>true</externalDEMApplyEGM>
      <demResamplingMethod>BILINEAR_INTERPOLATION</demResamplingMethod>
      <imgResamplingMethod>BILINEAR_INTERPOLATION</imgResamplingMethod>
      <pixelSpacingInMeter>0.0</pixelSpacingInMeter> 
      <pixelSpacingInDegree>0.0</pixelSpacingInDegree> 
      <mapProjection>AUTO:42001</mapProjection>
      <alignToStandardGrid>false</alignToStandardGrid>
      <standardGridOriginX>0.0</standardGridOriginX>
      <standardGridOriginY>0.0</standardGridOriginY>
      <nodataValueAtSea>true</nodataValueAtSea>
      <saveDEM>false</saveDEM>
      <saveLatLon>false</saveLatLon>
      <saveIncidenceAngleFromEllipsoid>false</saveIncidenceAngleFromEllipsoid>
      <saveLocalIncidenceAngle>false</saveLocalIncidenceAngle>
      <saveProjectedLocalIncidenceAngle>false</saveProjectedLocalIncidenceAngle>
      <saveSelectedSourceBand>true</saveSelectedSourceBand>
      <outputComplex>false</outputComplex>
      <applyRadiometricNormalization>false</applyRadiometricNormalization>
      <saveSigmaNought>false</saveSigmaNought>
      <saveGammaNought>false</saveGammaNought>
      <saveBetaNought>false</saveBetaNought>
      <incidenceAngleForSigma0>Use projected local incidence angle from DEM</incidenceAngleForSigma0>
      <incidenceAngleForGamma0>Use projected local incidence angle from DEM</incidenceAngleForGamma0>
      <auxFile>Latest Auxiliary File</auxFile>
      <externalAuxFile/>
    </parameters>
  </node>
  <node id="Write(2)">
    <operator>Write</operator>
    <sources>
      <sourceProduct refid="Terrain-Correction(2)"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
      <file>${vh_result_file_name}</file>
      <formatName>GeoTIFF</formatName>
    </parameters>
  </node>
  <node id="Write">
    <operator>Write</operator>
    <sources>
      <sourceProduct refid="Terrain-Correction"/>
    </sources>
    <parameters class="com.bc.ceres.binding.dom.XppDomElement">
       <file>${vv_result_file_name}</file>
      <formatName>GeoTIFF</formatName>
    </parameters>
  </node>
  <applicationData id="Presentation">
    <Description>Sentinel-1 GRD Sigma0 standard preprocessing graph</Description>
    <node id="Read">
            <displayPosition x="115.0" y="7.0"/>
    </node>
    <node id="Apply-Orbit-File">
      <displayPosition x="93.0" y="51.0"/>
    </node>
    <node id="ThermalNoiseRemoval">
      <displayPosition x="74.0" y="101.0"/>
    </node>
    <node id="Remove-GRD-Border-Noise">
      <displayPosition x="75.0" y="133.0"/>
    </node>
    <node id="Calibration">
      <displayPosition x="91.0" y="188.0"/>
    </node>
    <node id="Calibration(2)">
      <displayPosition x="234.0" y="190.0"/>
    </node>
    <node id="Terrain-Correction">
      <displayPosition x="64.0" y="290.0"/>
    </node>
    <node id="Terrain-Correction(2)">
      <displayPosition x="219.0" y="277.0"/>
    </node>
    <node id="Write(2)">
      <displayPosition x="292.0" y="372.0"/>
    </node>
    <node id="Write">
      <displayPosition x="89.0" y="369.0"/>
    </node>
  </applicationData>
</graph>