Step 1: Prepare Terrain Data
Prepare the Terrain Data to generate the terrain cache, and make the Terrain Data in Datasource. Here, the terrain cache is established for the JingjinTerrain Terrain Data set in Jingjin Datasource in the Sample Data provided by the product.
After Terrain Data Generate Cache, the cache Config File extension is *.sct, and the size (sample size) is 256 * 256 pixels, 128 * 128 pixels, and 64 * 64 pixels.