摘要
针对公园不同区域地形的复杂程度,分别采用了等高线加密、方格网插值和特征数据提取3种措施,提高了土方计算TIN模型精度和逼真度。并着重介绍了这几种算法的原理和方法,总结了各方法最适宜的应用领域。在土方计算工程中具有较强实用性和较高的精度。
Considering the complexity of the terrain in different regions of the parks,this paper separately adopts three measures：the contour lines densification,grid interpolation and feature extraction to improve the accuracy of the earthwork calculation TIN model.And the principles of these algorithms and methods are introduced emphatically,it is summarized that the most suitable aspect of each method were studied.The results show that the method is highly precise and feasible in Earthwork of the projects. And there is certain reference function to similar project.
出处
《城市勘测》
2009年第5期126-129,共4页
Urban Geotechnical Investigation & Surveying
关键词
等高线
内插
土方计算
地形特征提取
contour line
interpolation
earthwork calculation
topographic patterns extraction
