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基于D-TIN和OpenGL技术的给水管网水质三维可视化
以余氯浓度作为水质参数,实现了给水管网水质的三维可视化。先计算出节点余氯含量;再对由节点平面坐标和节点余氯含量构成的三维空间散点(x,y,z),用Delaunay三角网构网原则建立不规则三角网(TIN);最后在VC++6.0中开发了OpenGL应用程序实现了三维可视化。将三维可视化技术引进给水管网水质管理中,不仅保证了给水管网水质数据的精度,而且还具有良好的可视性,很好的满足了实践需要。
【英文摘要】 This paper realizes 3D visualization of water quality in water supply network system by referring residual chlorine as parameter of water quality. During this process, the concentration of residual chlorine is calculated firstly; then, Triangular Irregular Net(TIN) is established by the principles of Delaunay on the base of scattering 3D spacial points(x,y,z) whose 3D coordinates consist of the 2D coordinate and the value of residual chlorine; finally, OpenGL progress is developed to realize 3D visualizati...