有一种新风格的绘图pm 3d可以支持绘制使用调色板进行映射的3 - d和4d数据作为地图或地表图来使用。
A new style for plots, pm3d, supports drawing palette-mapped 3-d and 4d data as maps and surfaces.
为了改善数字地图图幅自动接边算法在处理大区域甚至全球范围的大数据量图幅接边时效率低的问题，提出了基于矢量id映射的“虚拼接”算法。
To improve the efficiency of automatic maps edge matching of massive digital map data of great regions even global ones, virtual stitching algorithm based on vector ID mapping is presented.
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