城市大比例尺地形图维护与更新实施方法探讨

A Method Discussed of Dynamic Maintenance and Reformation about City′s Large Scale Topographic Map

城市大比例尺地形图维护与更新是保持地形图整体现势性的重要保证。本文针对城市大比例尺地形图动态维护这项工作展开讨论,具体描述了采取循环滚动巡视、维护修测及利用放验线竣工资料更新地形图,提高城市地形图整体现势性、减少重复作业的方法,为现代城市基础地形图的更新维护提供了新的思维方式,具有一定的研究与应用价值。

Dynamic Updating the topographic drawing of a city is insurance keeping the drawing lastly, How to keep the topographic drawing up to date and being in time？ A very useful measure is introduced in this document. It is good idea of inspecting and viewing, surveying timely and renewing topographic; drawing with the plan data of layout and finished etc. it will be reduced repeat work mostly and improved the drawing existing veracity. This measure has its value about basic drawing of city.