The NCAR Graphics home page provides a stable UNIX package for drawing contours, maps, surfaces, weather maps, x-y plots, and many others.

NCAR Graphics主页提供了一个稳定的UNIX包用来绘制轮廓图、地图、表面图、气象图、x - y图以及很多其他图形。

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It was less than 100, 000 years ago that our human predecessors first made meaningful marks on surfaces, notating the phases of the moon or drawing animals on cave walls.

从古至今，这种改变在读写形式的进化中早已屡见不鲜。 在不到十万年前，人类先民才第一次把有意义的符号刻画出，比如在洞壁上记录下月相或画上动物。

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A new style for plots, pm3d, supports drawing palette-mapped 3-d and 4d data as maps and surfaces.

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。

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These glimpses into history, these interesting faces, gorgeous clothes and richly worked jewelry, come to us via incisive drawing, subtle modeling, glorious color and seductive surfaces.

WSJ: The Renaissance Portrait | From Out of a Featureless Crowd | By Karen Wilkin