红相规约报文，用用电信息采集终端抄红相表所回的报文。-Statute of the red phase packets of information collection terminal with power consumption relative to the table copied back to the red packets.

一个直线点画模式和多边形点画模式相结合的的例子. 红宝书第七版lines.c和polys.c的变体-A dotted line stipple model and polygon mode of combining the example. Little red book version 7 lines. C and polys. C variant