How to remove a waterway from the heightmap

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This How-to contains the steps on how to create a set of Grid Overlays that calculate a leveled terrain height around waterways. The resulting Grid Overlay can be used to either directly adjust the terrain height of the Current Situation, or applied to the Future Design with a Measure using Grid Spatials


How to remove a waterway from the heightmap:
  1. Select Future Design.
  2. Click on Measures to open the Measures panel.
  3. Select an existing Measure or add a new Measure by clicking on the Add button.
  4. With the measure selected, click on the Add Grid button to add a Grid Spatial.
  5. In the Grid Spatial's Detail Panel, click on the Add button to select a Grid Overlay to apply.
  6. Select the Grid Overlay that represents the leveled terrain. (See this How-to).
  7. Uncheck the option Calculate Area from Grids Automatically.
  8. Click on the Draw Area button to start drawing a manual selection.
  9. With the Brushes panel opened, draw a selection.
  10. Click on Apply Selection to finalize the selection
  11. Optionally select a Terrain Type to override the existing Terrain. (Advisable in case of Water)