The concept Virtual Forest(VF) is brought up in this paper, whose four basic properties is: the accuracy about the simulated forest, the visual expression of all forest information, to large area, containing the whole...The concept Virtual Forest(VF) is brought up in this paper, whose four basic properties is: the accuracy about the simulated forest, the visual expression of all forest information, to large area, containing the whole information of forest may. The VF of Shangganling Forestry Bureau is very well completed with the surport of Shangganling Forestry Bureau and Forestry Inventory and Planning Institute in Heilongjiang Province, which is the combination of advanced imagine process and GIS, on which the forest characteristics of Shangganling Forestry Bureau is analyzed.展开更多
介绍了制作虚拟林相的一些基本方法,它基于目前比较流行的以Visual Studio C++开发组件调用OpenGL三维图形库的方法,初步实现地形可视化以及一些基本功能。为了表现地形的真实显示,利用了OpenGL中的纹理映射、光照、反走样、雾化等三维...介绍了制作虚拟林相的一些基本方法,它基于目前比较流行的以Visual Studio C++开发组件调用OpenGL三维图形库的方法,初步实现地形可视化以及一些基本功能。为了表现地形的真实显示,利用了OpenGL中的纹理映射、光照、反走样、雾化等三维可视化特性。展开更多
本文介绍了研发虚拟林相三维可视化系统的技术流程与实现方法,该系统研发基于目前较流行的以Visual Studio C++开发组件调用OpenGL三维图形库的方法,自主研发出虚拟林相三维可视化系统。该系统按三角带组织DEM数据并读入VC,采用LOD、四...本文介绍了研发虚拟林相三维可视化系统的技术流程与实现方法,该系统研发基于目前较流行的以Visual Studio C++开发组件调用OpenGL三维图形库的方法,自主研发出虚拟林相三维可视化系统。该系统按三角带组织DEM数据并读入VC,采用LOD、四叉树技术自主研发了标准真实DEM数据构建三维地形的导入引擎,实现了地形可视化以及一些基本功能。为还原真实的地形地貌,应用OpenGL中的纹理映射、光照、场景分割、反走样、八叉树、雾化等三维可视化特性,增强了三维可视化效果。展开更多
文摘The concept Virtual Forest(VF) is brought up in this paper, whose four basic properties is: the accuracy about the simulated forest, the visual expression of all forest information, to large area, containing the whole information of forest may. The VF of Shangganling Forestry Bureau is very well completed with the surport of Shangganling Forestry Bureau and Forestry Inventory and Planning Institute in Heilongjiang Province, which is the combination of advanced imagine process and GIS, on which the forest characteristics of Shangganling Forestry Bureau is analyzed.
文摘本文介绍了研发虚拟林相三维可视化系统的技术流程与实现方法,该系统研发基于目前较流行的以Visual Studio C++开发组件调用OpenGL三维图形库的方法,自主研发出虚拟林相三维可视化系统。该系统按三角带组织DEM数据并读入VC,采用LOD、四叉树技术自主研发了标准真实DEM数据构建三维地形的导入引擎,实现了地形可视化以及一些基本功能。为还原真实的地形地貌,应用OpenGL中的纹理映射、光照、场景分割、反走样、八叉树、雾化等三维可视化特性,增强了三维可视化效果。