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QGIS By Example by Daria Svidzinska, Alexander Bruy

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Step 1 – converting a buildings' vector layer to raster

We are going to deal with a highly urbanized landscape, whose primary features have been greatly transformed by humans. In the context of visibility analysis, this means that lines of sight are blocked mainly by buildings, while the original relief features play only a minor role. In our dataset, we have two layers that describe the area of interest, exterior, and appearance:

  • lidar_dem: This represents the bare earth only, and provides a description of the general relief
  • building_footprints: These are polygons that depict all buildings, and they also contain information about a building's height in feet above the bare earth's surface in the height_roo attribute field

We need to add their values ...

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