The settlement isoline map, based on subsidence prediction in mining area, is difficult to be directly applied to land planning in mining area and MGIS analysis due to its different data structure from digital terrain map.
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美
- 摘要基于開(kāi)采沉陷預計的采煤區下沉等值線(xiàn)圖不便于直觀(guān)地反映礦區地形的動(dòng)態(tài)變化,其圖形數據結構與數字地形圖存在差異,難以直接用于規劃設計和礦區GIS分析。