Visualization of terrain data is a common subject in most of the three dimensional applications. While navigating through the terrain, it is not possible to get the complete data into computer memory, so this data is managed with paging algorithms. These paging algorithms used in rendering of terrain data should both show the desired scaled area and not reduce the visual quality furthermore it should have a proper structure to load the data in background without any problem. Other than triangulation, some parts of the terrain data may be wanted to be textured with high detail images. Mapping these images on terrain can be done with various methods.