【摘要】 随着城市建设的迅速发展,城市地形地貌不断变化,为了适应城市规划和建设要求,现代城市地形图必须不断修测和更新。结合对原有河源市大比例尺地形图进行修测的工程实例,探讨了数字化测图技术用于城市地形图修测时的有关问题。更多还原

【Abstract】 With the development of urban area,the urban topographic is changing at same time.In order to meet the demands of urban plan and urban construction,the urban map must be revised continuously.By taking the project of large scale map revision of Heyuan city as example,the paper studies the technique problems on using digital map technique to revise urban map.The studies will be useful to the application of digital mapping technique into urban map revision.更多还原