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3D landscape development based on the high-resolution satellite image

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2 Author(s)
Piyuan Yi ; Nat. Key Lab. of Remote Sensing Inf. & Image Anal. Tech., Beijing Res. Inst. of Uranium Geol., Beijing, China ; Yingjun Zhao

Based on the high-resolution IKONOS satellite stereo images, using the digital photogrammetry method, the 3D visualization information of the research area was extracted, including DEM, orthophoto, 3D information and texture of the ground building, then the progress of the DEM extraction was analyzed and the errors of the DEM were corrected. After that, by complementing the advantages of Erdas Imagine and 3ds Max software, the modeling work of the ground building was better accomplished. Finally, based on the VC++6.0 platform, combined with the DirectX SDK, the 3D visualization landscape was constructed, including the visualization of terrain, the loading of the ground feature models. In this process, in order to improve the operating speed, the Level of Detail algorithm and Mipmap technology were used to optimize the terrain visualization and the texture of the models. Further more, the diversification of the smog was simulated by constructing particle system and many factors of the environment and production facilities that can influence the movement of the smog were calculated and added. Through these work, the production activities of the special facility can be inferred, so it can support the decision analysis.

Published in:

Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on

Date of Conference:

24-26 June 2011