XML Script Lidar and DTM Import

OCAD can import Lidar data (las or laz file format) and DTM with XML Scirpt.

Example

This script imports laz data and create contour lines and the vegetation base map.

<?xml version="1.0" encoding="ISO-8859-1"?>
<OcadScript>
  <!-- 1. step: import all laz files and create ocdDem and ocdLas tiles-->
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  
  <File.SaveAs>
    <File>S:\O Map ZG\1_ocdDem\ZG.ocd</File>  
  </File.SaveAs>
  
  <Dem.DemImport>
    <LasImportDummy>
      <Directory>S:\O Map ZG\0_LAZ\</Directory>  
    </LasImportDummy>
    <LasImport>
      <Directory>S:\O Map ZG\0_LAZ\</Directory>  
    </LasImport>
    
    <CreateOcdDem>
      <Enabled>true</Enabled>
      <Cellsize100>100</Cellsize100>
      <CreateVegetationBaseMap>false</CreateVegetationBaseMap>
      
      <LasDtm>
        <Enabled>true</Enabled>
        <Classification>
          <Unclassified>false</Unclassified>
          <Ground>true</Ground>
          <LowVegetation>false</LowVegetation>
          <MeanVegetation>false</MeanVegetation>
          <HighVegetation>false</HighVegetation>
          <Building>false</Building>
          <LowPoint>false</LowPoint>
          <Water>true</Water>
          <OverlapPoints>false</OverlapPoints>
          <Other>false</Other>
        </Classification>
        <ReturnType>1</ReturnType>
        <CreateAndLoadIntensityAndClassificationMap>false</CreateAndLoadIntensityAndClassificationMap>
      </LasDtm>
      
      <LasDsm>
        <Enabled>false</Enabled>
        <Classification>
          <Unclassified>false</Unclassified>
          <Ground>true</Ground>
          <LowVegetation>true</LowVegetation>
          <MeanVegetation>true</MeanVegetation>
          <HighVegetation>true</HighVegetation>
          <Building>true</Building>
          <LowPoint>true</LowPoint>
          <Water>true</Water>
          <OverlapPoints>false</OverlapPoints>
          <Other>false</Other>
        </Classification>
        <ReturnType>2</ReturnType>
        <CreateAndLoadIntensityAndClassificationMap>false</CreateAndLoadIntensityAndClassificationMap>
      </LasDsm>      
    </CreateOcdDem>  
      <CreateOcdLas>
        <Enabled>true</Enabled>
      </CreateOcdLas>
  </Dem.DemImport>
 
 <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>

  <!-- 2. step: match height at tile borders-->  
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  <File.SaveAs>
    <File>S:\O Map ZG\2_ocdDemMatching\ZG.ocd</File>  
  </File.SaveAs>
  <Dem.MatchTiles>
    <InputFolder>S:\O Map ZG\1_ocdDem\</InputFolder>  
    <OutputFolder>S:\O Map ZG\2_ocdDemMatching\</OutputFolder>  
  </Dem.MatchTiles>
  <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>

  <!-- 3. step: merge ocdDem tiles to 7000m x 7000m ocdDem tiles (5000m x 5000m + 1000m border around): -->    
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  <File.SaveAs>
    <File>S:\O Map ZG\3_ocdDemMerging\ZG.ocd</File>  
  </File.SaveAs>
  <Dem.MergeTiles>
    <InputFolder>S:\O Map ZG\2_ocdDemMatching\</InputFolder>  
    <OutputFolder>S:\O Map ZG\3_ocdDemMerging\</OutputFolder>  
    <TileSize>5000</TileSize>  
  </Dem.MergeTiles>
  <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>

  <!-- 4. step: crop ocdDem tiles to 5000m x 5000m -->    
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  <File.SaveAs>
    <File>S:\O Map ZG\5_ocdDem_Cropped\ZG.ocd</File>  
  </File.SaveAs>
  <Dem.CropTiles>
    <InputFolder>S:\O Map ZG\3_ocdDemMerging\</InputFolder>  
    <OutputFolder>S:\O Map ZG\5_ocdDem_Cropped\</OutputFolder>  
    <TileSize>5000</TileSize>  
  </Dem.CropTiles>
  <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>  
  
  <!-- 5. step: create contour lines -->    
  <Dem.CreateContourLines>
    <Enabled>true</Enabled>  
    <TemplateFile>S:\O Map ZG\Template ZG.ocd</TemplateFile>
    <InputFolder>S:\O Map ZG\5_ocdDem_Cropped\</InputFolder>  
    <OutputFolder>S:\O Map ZG\7_CreateContourLines\</OutputFolder>  
    <TileSizeCropping>5000</TileSizeCropping>  
    <Merging>true</Merging>  
    <EquidistanceOriginal>500</EquidistanceOriginal>
    <CreateNotSmoothedContours>false</CreateNotSmoothedContours>
    <EquidistanceLevel1>250</EquidistanceLevel1>
    <EquidistanceLevel2>1250</EquidistanceLevel2>
    <EquidistanceLevel3>0</EquidistanceLevel3>
    <SymbolNumberLevel1>101000</SymbolNumberLevel1>
    <SymbolNumberLevel2>102000</SymbolNumberLevel2>
    <SymbolNumberLevel3>0</SymbolNumberLevel3>
    <CreateSmoothedContoursUsingTpi>true</CreateSmoothedContoursUsingTpi>
    <EquidistanceTpiOriginal>250</EquidistanceTpiOriginal>
    <EquidistanceTpiLevel1>250</EquidistanceTpiLevel1>
    <EquidistanceTpiLevel2>1250</EquidistanceTpiLevel2>
    <EquidistanceTpiLevel3>0</EquidistanceTpiLevel3>
    <SymbolNumberTpiLevel1>101000</SymbolNumberTpiLevel1>
    <SymbolNumberTpiLevel2>102000</SymbolNumberTpiLevel2>
    <SymbolNumberTpiLevel3>0</SymbolNumberTpiLevel3>
    <UseDifferentSymbolsForDepressions>false</UseDifferentSymbolsForDepressions>
    <SymbolNumberLevel1Depr>0</SymbolNumberLevel1Depr>
    <SymbolNumberLevel2Depr>0</SymbolNumberLevel2Depr>
    <SymbolNumberLevel3Depr>0</SymbolNumberLevel3Depr>
    <SymbolNumberTpiLevel1Depr>0</SymbolNumberTpiLevel1Depr>
    <SymbolNumberTpiLevel2Depr>0</SymbolNumberTpiLevel2Depr>
    <SymbolNumberTpiLevel3Depr>0</SymbolNumberTpiLevel3Depr>
    <DeleteCombinedDemFile>true</DeleteCombinedDemFile>
    <MinimumContourValue>0</MinimumContourValue>
    <MaximumContourValue>0</MaximumContourValue>
    <IsMaxContourLength>false</IsMaxContourLength>
    <MaxContourLength>0</MaxContourLength>
  </Dem.CreateContourLines>

  <!-- 6. step: merge contour lines into one ocd file-->    
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  <File.SaveAs>
    <File>S:\O Map ZG\8_ImportAllOcds\Contour Lines.ocd</File>  
  </File.SaveAs>
  <File.Import.Ocd>
    <Directory>S:\O Map ZG\7_CreateContourLines</Directory>
    <SymbolOption>0</SymbolOption>
    <ColorOption>0</ColorOption>
  </File.Import.Ocd>  
  <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>

  <!-- 7. step: create vegetation base map (png file) for each ocdLas file-->    
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  
  <File.SaveAs>
    <File>S:\O Map ZG\11_png\ZG.ocd</File>  
  </File.SaveAs>
  
  <Dem.CreateVegetationBaseMap>
    <Enabled>true</Enabled>
    <InputFolder>S:\O Map ZG\1_ocdDem\</InputFolder>  
    <OutputFolder>S:\O Map ZG\11_png\</OutputFolder>  
      
    <CellSize>1</CellSize>
    
    <NeighborhoodKernelUndergrowth>3</NeighborhoodKernelUndergrowth>
    <ThresholdUndergrowthLow>0.00</ThresholdUndergrowthLow>
    <ThresholdUndergrowthHigh>0.00</ThresholdUndergrowthHigh>  
    <ThresholdUndergrowthSlow>+1.00</ThresholdUndergrowthSlow>
    <ThresholdUndergrowthDifficult>+1.00</ThresholdUndergrowthDifficult>
    
    <NeighborhoodKernelVegetation>5</NeighborhoodKernelVegetation>
    <ThresholdVegetationLow>0.30</ThresholdVegetationLow>
    <ThresholdVegetationHigh>3.00</ThresholdVegetationHigh>
    
    <ThresholdVegetationSlow>-0.40</ThresholdVegetationSlow>
    <ThresholdVegetationDifficult>-0.20</ThresholdVegetationDifficult>
    <ThresholdVegetationVeryDifficult>+0.20</ThresholdVegetationVeryDifficult>
    
    <ThresholdOverlapPointsLow>0.30</ThresholdOverlapPointsLow>    
    <ShowAreaWithNoData>false</ShowAreaWithNoData>
    <UseFilter>true</UseFilter>
    <LasClassification>
      <NeverClassified>false</NeverClassified>
      <Unclassified>false</Unclassified>
      <Ground>true</Ground>
      <LowVegetation>true</LowVegetation>
      <MediumVegetation>true</MediumVegetation>
      <HighVegetation>true</HighVegetation>
      <Building>false</Building>
      <LowPoint>false</LowPoint>
      <HighPoint>false</HighPoint>
      <Water>false</Water>
      <Railroad>false</Railroad>
      <Road>false</Road>
      <Overlap>false</Overlap>
      <WireGuard>false</WireGuard>
      <WireConductor>false</WireConductor>
      <TransmissionTower>false</TransmissionTower>
      <WireStructurConnector>false</WireStructurConnector>
      <Bridge>false</Bridge>
      <Other>false</Other>  
    </LasClassification>    
  </Dem.CreateVegetationBaseMap>
  
  <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>
  
  <!-- 7. step: merge png files to bigger tiles-->    
  <File.Open>
    <File>S:\O Map ZG\Template ZG.ocd</File>
  </File.Open>
  
  <File.SaveAs>
    <File>S:\O Map ZG\12_MergePng\ZG.ocd</File>  
  </File.SaveAs>
  
  <Dem.MergeRasterMapTiles>
    <Enabled>true</Enabled>
    <InputFolder>S:\O Map ZG\11_png\</InputFolder>  
    <OutputFolder>S:\O Map ZG\12_MergePng\</OutputFolder>  
  </Dem.MergeRasterMapTiles>

  <File.Save>
    <Enabled>true</Enabled>  
  </File.Save>
  
  <File.Close>
    <Enabled>true</Enabled>  
  </File.Close>  
</OcadScript>