CryEngine 3 SDK Full Tutorial List:
http://www.worldofleveldesign.com/categories/cat_cryengine_3_sdk.php
In this tutorial we cover how to manually paint, modify and edit terrain.
Topics covered:
-Using Flatten, Rise/Lower, Smooth and Pick Height Terrain tools
-Defining a general shape of your terrain
-Manually modifying the terrain height
-Combining Generate Terrain Tool and manually painting/editing terrain height
Voir sur youtube