Contrast the data structure of the digital topographic map to the GIS data structure based on Arc / Info, combining the characteristic of the digital topographic map of our institute, introduces the data process method of transformation from digital topographic map data to GIS data. 本文将数字地形图的数据结构与以Arc/Info为基础的GIS数据结构进行对比,并结合本单位的数字地形图特点,介绍了数字地形图数据向GIS方向数据转换的处理方法。
A study on the data process method of transformation from digital topographic map data to GIS data 数字地形图向GIS数据转换处理方法的探讨
Improving mountainous land cover classification accuracy by combining a digital topographic model with Landsat data 应用数字地形模型提高山地遥感数据自动分类精度
To gain the 3D digital topographic results mainly involves three aspects such as the data source, the processing mode and the production procedure. 获取数字三维地形成果主要涉及数据源、采集模式和生产流程个方面。
This paper analysis diathesis which would influence the quality of the large scale digital topographic map from two aspect, and discusses the methods of the controlling data quality. 文中从野外采集数据和地图数字化两个方面分析了影响大比例尺数字地形图数据质量的因素,讨论了数据质量控制的方法。