The polygon scan conversion problem is a basic problem in Computer Graphics.
在此基础上，设计并实现了一个简单高效的直线扫描转换算法。
As hardware system using grating graphics display system, there are saw tooth-shaped distortion in compass screen when it rotates owing to the restrictions of the grating scan display.
由于硬件系统采用的是光栅图形显示系统，罗盘画面旋转受光栅扫描显示器的限制存在着锯齿形失真、扭曲等走样现象。
Fax machines scan printed text and graphics and convert the image into a digital code: 1 for dark areas, 0 for white areas.
传真机先扫瞄印刷文字和图像数据，然后把这些影像转为数字码：1代表黑区，0代表白区。
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