Help:Surveyor Topology Height Down
Use this tool to modify the terrain height. Make hollows, valleys, rivers, lakes and oceans.
Click on the Height Down tool icon to change to Height Down mode. Move your cursor from the tool tab onto the 3D world and you will see a "circle of influence". Left click and drag your mouse around the 3D world to lower the terrain.
Use Radius and Sensitivity to adjust the size and sensitivity of this tool. To adjust your view of the world as you mould the terrain, right-click on the terrain to move your camera focal point and use your cursor arrow keys to move the camera. Use Undo if you don't like the results you see.
TRS2019 Effects Layers (Clutter and TurfFX)
When clutter effect is selected, the Height Down mode will erase the effect from the terrain, with density reducing the more it is 'erased'.
See Effect Layers for further information on creating, using, and editing Effect Layers.
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