水文地质层及内部物理化学属性的体视化

Volume visualization of hydrogeologic layer and its inner physical and chemical attributes

针对地下水三维可视化研究的实际需要,将水文地质层及其内部物理化学属性归纳为三类典型地学现象: 呈均质变化特征的现象;呈水平变化特征的现象;呈三维变化特征的现象,并采用不同的方法进行三维地学构模,在此基础上采用光线投射体绘制算法实现模型的体视化,从而为地下水的研究提供较好的可视化手段。

According to the actual needs of the 3D visualization of the groundwater resources, this paper generalizes the hydrogeologic layer and its inner physical and chemical attributes as three hydrogeologic phenomena: one is the phenomenon of homogeneity change characteristic; another is the phenomenon of horizontal change characteristic; the third is the phenomenon of 3D change characteristic, and on the basis of these, the authors construct the 3D spatial model of the hydrogeologic layer using different methods, realizes the visualization of model by ray casting volume rendering algorithm. Thus it provides better method for the study of groundwater resources.