In this paper, the methods of drawing contour line from terrain map, the vector of contour line and generating elevation data from vector data are discussed.
论述了从地形图中提取等高线、对等高线矢量化以及通过矢量数据生成高程数据的实现方法。
2
The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.
黄土丘陵区的沟沿线,是反映该区地形地貌特征的重要的地形结构线。
3
The familiar horizontal line of architecture and deep shade of roof is suitable form for Korean terrain and climate.