It is the objective basis of the map express for the qualitative and quantitative specific property of planimetric feature and its relation of time and space.
地物的质量和数量特征及其时空关系是地图表示的客观基础。
This study proposed an algorithm for building model reconstruction from airborne laser scanning data, based on feature line detection and separation of planimetric and height computations.
该方法以投影为基础，以平高分解为手段，通过在多个投影平面内逐步确定平面、高程信息实现特征线提取及模型重建。
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