self-conjugate triangle

Secondly, the basic raster graphics algorithms for drawing 2D primitives are introduced, including self-adaptive algorithm of single line, edge coherence and scan-line algorithm of triangle, brush algorithm of thick line ( and its improved method) and advanced algorithms of circle and ellipse;

然后，介绍了现有的基本图形生成算法，包括直线的自适应算法、三角形边相关扫描算法，宽直线线刷子算法及改进的圆形、椭圆的生成算法，同时讨论了加速算法的研究现状；

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Production of precision screws, special thin-head screws, triangle self tapping screws, machine screws and all kinds of car parts, stamping parts and other products.

生产各种精密螺丝、特殊薄头螺丝、三角自攻螺丝、各种机械用螺丝及车件、冲压件等产品。

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