In computer graphics, the operation of shading some area of a display image, for example, with dots or crosshatching.
在计算机图形学中，用点或十字线给显示图象中某个区域上色的一种操作。
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But the city is also home to some of the crinkliest people you will ever see, their faces baked by the hot desert sun into relief maps of creases and furrows and crosshatching.