First enable the terrain selection mode with the Select Terrain Area button.
Then you need to look at the section of terrain you want to export and then hold the left mouse pressed while moving it to another spot. This will create a white rectangle over the terrain surface.
Finally select the Export Terrain Block function or the save terrain block as geometry.
Meters Per Unit represents the distance between two verticals (lying on a perpendicular grid) in meters. Adjusting the Meters Per Unit will change the size of the heightmap. Changing the Meters Per Unit to 1 will make the terrain more detailed and changing to a higher value will make the terrain less detailed allowing you to create a bigger level with the same base heightmap resolution. The default setting of 2 means that the distance between two vertices every 2 meters there is a new point:
When using this option only the terrain is changed, objects and vegetation must either be deleted or moved to the new location.
Terrain Editing Window
Lets you import a 16 bit greyscale .raw image to be used as new heightmap (the size of the heightmap must be the equal or smaller than the current heightmap resolution.
Use this option to export the heightmap as 16 bit .raw file to be editied in photoshop (version CS1+ required) Show Large Preview
Shows you a preview of the heightmap.
This option will delete the current heightmap data. Resize Lets you change the heightmap resolution
Make Island... more
Terrain Layers EditorIn the terrain texture window you can setup materials to be used with the terrain layer painter.
Allows you to export layers together with surface type settings
Allows you to import layers together with surface type settings
Refine Terrain Texture Tiles
Increase the amount of ground texture sectors and therefore the resolution of the ground texture
Lets you load a new color texture for the terrain (these texture should only contain a blurry... more
Terrain Lighting Window
Sun Direction Changes the direction where the sun should rise.
Will change if the sun is closer to the north or south pole
Moon/Sun Shadow Transition
As there can be only sun or moon lighting you need to adjust following parameters to adjusted the time when the sun lighting should be active and when the moon lighting should be active.
Sets the time when the sun should rise.
Changes the duration of the moon to sun lighting transition phase.
Sets the time when the sun... more