三维GIS，x3dearth

This examples translates a world VRML elevation grid into an X3D multiresolution Geospatial binary tree using GeoLOD and GeoElevatgionGrid. The output file to load into your browser is output/world/Display.x3d It parses the grid in the input file and ignores the other parts. It requires a pre-computed images directory, which can be generated using the SmoothImageSlicer tool.