Terrain Rendering Technology Based on Vertex Texture

摘要：

According to the Vertex Texture Fetch technology in Shader Model 3.0, we designed a terrain rendering algorithm based on vertex texture. The algorithm storages the data of terrain as vertex texture, and get elevation value through the vertex shaders. During rendering phase a group of nested grids are built centeredly around current viewpoint. Elevation values are sampled from the vertex texture according to twodimensional coordinates of the grids. Then the whole data are sent to GPU for rendering. The algorithm can reduce the CPU load and make full use of the powerful float computing and programmability feature.

作者: Sun Wenquan Tang Liyu Chen Chongcheng Chen Gang

作者单位: Key Laboratory of Spatial Data Mining & Information Sharing, Ministry of ducation, Spatial Information Research Center of Fujian Province, Fuzhou University Fuzhou China

会议类型: 国际会议

会议名称: 第十届中国虚拟现实年会

会议地点: 上海

会议语种:英文

页码: 230-233

在线出版日期: 2010-10-20（万方平台首次上网日期，不代表论文的发表时间）