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基于ArcGIS的土方量计算与可视化 被引量:3

Earthwork Calculation and Visualization Base on ArcGIS
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摘要 利用ArcGIS三维构面的特性,形象的构建地表、河道现状立体模型,同时根据场地、河道的设计标高,构建立体模型,然后选定统一参考面,计算两个模型到参考面的体积之差,可以快捷、准确地计算出挖填土方量。实践证明,这一算法较传统的根据等高线、高程点计算土方量的方法更加严密、准确、便捷。同时这一方法能根据要求灵活调整、分割土方计算区域,不需要对调整后的边界进行外业高程点数据处理就能快速实现分区域土方量计算。 Taking advantages of ArcGIS in 3D modeling, it is easy to construct 3D models of earth surface and the current situation of rivers according to the designed space and elevation of rivers. And with a selected reference plane, the volume differences between two models can be calculated, which can help figure out the amount of cut and fill earth- works quickly and accurately. It has been proved by practice that the algorithm in this article is much more accurate and convenient than the traditional methods using contours and elevation points in calculating the amounts of earthworks. At the same time, this method can be adjusted flexibly and spilt the areas for earthwork calculations as required. It can help achieve the calculations of subregional earthworks quickly without processing the elevation data points outside the industry for the adjusted boundary.
出处 《城市勘测》 2013年第5期140-142,共3页 Urban Geotechnical Investigation & Surveying
关键词 ARCGIS TIN DTM 土方量算 分割量算 ArcGIS TIN DTM earthwork calculation segmentation and calculating
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