The Method of Extracting Topographic Feature of the Quarry by Laser Point Cloud Data

doi:10.13474/j.cnki.11-2246.2017.0229

测绘通报 ›› 2017, Vol. 0 ›› Issue (7): 85-88,93.doi: 10.13474/j.cnki.11-2246.2017.0229

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The Method of Extracting Topographic Feature of the Quarry by Laser Point Cloud Data

WU Xiaozhang^1,2, XIE Hongquan^2,3, XU Ruiji², LONG Hui⁴, LU Xia², WANG Chen⁵

1. Faculty of Information Engineering, China University of Geosciences, Wuhan 430074, China;
2. School of Geodesy & Geomatics Engineering, Huaihai Institute of Technology, Lianyungang 222005, China;
3. Key Laboratory of Surveying and Mapping Technology on Island and Reef, National Administration of Surveying, Mapping and Geoinformation, Qingdao 266590, China;
4. Jiangsu Wanyuan Mapping Geographic information Co. Ltd., Lianyungang 222001, China;
5. Institute of Geochemical Exploration and Marine Geological Survey, ECE, Nanjing 210007, China

Received:2016-12-07 Revised:2016-12-26 Online:2017-07-25 Published:2017-08-07

Abstract

Abstract: The 3D laser scanning technology, which has the characteristics that the traditional measurement methods do not have,can extract topographic features timely, actively and efficiently. The contour lines and the 3D model can be used to reflect the topographic features of the study area. The data of the laser point cloud are acquired by Leica C10 scanner. Cyclone and Geomagic Studio are used to preprocess the data. Cyclone,CASS and Surfer are used to extract the topographic features. Conventional measurement methods are compared and analyzed.The results show that the three kinds of software can generate contour lines and the ideal three-dimensional model, and all have their own characteristics. As to the production of precision and efficiency, the contour line drawn from the point cloud data is obviously superior to the conventional methods.

Key words: laser point cloud data, quarry, topographic feature, 3D model

CLC Number:

P237

WU Xiaozhang, XIE Hongquan, XU Ruiji, LONG Hui, LU Xia, WANG Chen. The Method of Extracting Topographic Feature of the Quarry by Laser Point Cloud Data[J]. 测绘通报, 2017, 0(7): 85-88,93.

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The Method of Extracting Topographic Feature of the Quarry by Laser Point Cloud Data

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