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Grome Terrain Modeling with Ogre3D, UDK, and Unity3D by Richard A. Hawley

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Selection masks

GROME provides powerful masking tools commonly found in art applications. In the Workspace panel find the layer stack mode's drop-down list; from here choose Selection Masks. Clicking on the "plus page" button adds a new mask layer.

As always we must assign a zone to the layer before we can do anything with it, so make a zone active (press Ctrl and click on the viewport) and right-click on the layer and Assign to selection.

Selection masks

The mask layers needs to be armed for use. Any masked areas will show by default as a red tinted area.

Once we have a layer for a mask we usually want to put something in it. The Tools panel has a Selection tab ...

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