| 城市3维模型构建方法研究与实现 |
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| 引用本文： | 李军锋,胡蕊娟,张春奎,滕大强.城市3维模型构建方法研究与实现[J].测绘与空间地理信息,2012,35(9):77-79,82. |
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| 作者姓名： | 李军锋 胡蕊娟 张春奎 滕大强 |
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| 作者单位： | 1. 西安市勘察测绘院,陕西西安,710054
2. 西安市黄河中学,陕西西安,710043 |
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| 摘 要： | 3维模型的构建是城市3维地理信息系统建设的核心。介绍了基于现有数据资料制作城市3维模型的工艺流程,重点研究了利用城市大比例尺3维DLG数据批量获取建筑物高度的新方法和贴图制作过程。按照上述制作工艺和方法较好地解决了大面积城市3维建模这一问题,生成的模型具有很高的精度,完全满足城市3维建模的精度要求。
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| 关 键 词： | 3维模型 工艺流程 3维DLG 纹理 精度 |
Research and Implementation of the Construction Method of Three -Dimensional Urban Model |
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| LI Jun-feng,HU Rui-juan,ZHANG Chun-kui,TENG Da-qiang.Research and Implementation of the Construction Method of Three -Dimensional Urban Model[J].Geomatics & Spatial Information Technology,2012,35(9):77-79,82. |
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| Authors: | LI Jun-feng HU Rui-juan ZHANG Chun-kui TENG Da-qiang |
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| Institution: | 1(1.Xi′an Institute of Prospecting and Mapping,Xi′an 710054,China; 2.Xi′an Yellow River Middle School,Xi′an 710043,China) |
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| Abstract: | The construction of 3D model is the core of three-dimensional urban geographic information system.In this paper,the process flow of three-dimensional modeling based on existing data is introduced,and the new method of acquiring building height based on large-scale 3D DLG is studied.According to the process flow above,large-area construction of 3D urban model is solved properly,and the 3D model has high precision to satisfy the precision requirements of 3D model totally. |
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| Keywords: | three - dimensional model process flow three - dimensional DLG texture precision |
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