| 直接体绘制技术在地质体三维可视化中的应用研究* |
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| 引用本文： | 殷浩,戴光明,洪雄.直接体绘制技术在地质体三维可视化中的应用研究*[J].计算机应用研究,2006,23(6):162-164. |
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| 作者姓名： | 殷浩 戴光明 洪雄 |
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| 作者单位： | 中国地质大学,计算机学院,湖北,武汉,430074 |
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| 基金项目： | 湖北省自然科学基金资助(2003ABA045) |
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| 摘 要： | 将直接体绘制技术应用于地质体三维可视化，首先对原始钻孔数据进行插值、网格化等预处理得到满足直接体绘制需要的规则体数据，从而建立反映地层分布的地质体三维标量数据场；然后用直接体绘制技术绘制三维地质体，避免了体元建模方法中在对地质体进行剖切等操作时必须要解决的剖面与体元之间复杂的判断求交等过程。采用该方法实现了对某地区地质体的三维可视化。
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| 关 键 词： | 三维可视化 直接体绘制 地质体 |
| 文章编号： | 1001-3695(2006)06-0162-03 |
| 收稿时间： | 2005-05-03 |
| 修稿时间： | 2005-06-24 |
Research on Visualization of 3D Geological Body Using Direct Volume Rendering |
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| YIN Hao,DAI Guang ming,HONG Xiong.Research on Visualization of 3D Geological Body Using Direct Volume Rendering[J].Application Research of Computers,2006,23(6):162-164. |
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| Authors: | YIN Hao DAI Guang ming HONG Xiong |
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| Affiliation: | (College of Computer Science, China University of Geosciences, Wuhan Hubei 430074, China) |
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| Abstract: | A new approach for visualization of 3D geological body based on direct volume rendering technology is presented. First the regular volume data which is needed in the process of direct volume rendering is formed through the preprocess of drill hole data, so the 3D data sets which represent the relationship among the stratum of the geological body are obtained. Then the geological body is rendered by direct volume rendering. This approach avoids the process of computing intersecting between insection and voxel which is essential in traditional 3D geological body modeling method. An example of its application in the visualization of 3D geological body in an area is illustrated. |
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| Keywords: | 3D Visualization Direct Volume Rendering Geological Body |
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