When the trace of railway tracks on a large size raster image of railway track plan is vectorized, valuable features emerge including sustained globe consistece and fast map location as well as map image retrieving.
英
美
- 對連續大幅面帶狀鐵路線(xiàn)路光柵圖進(jìn)行以鐵路線(xiàn)為中心的局部矢量化，可以保持大數據量線(xiàn)路平面圖的整體一致性，并可實(shí)現圖形的快速定位及檢索。
