In regional geochemical exploration, the sampling-point layout map is a necessary component part; nevertheless, artificial coding is not a very easy task. Based on many years'drawing experience, the authors tried to find the characteristics of computer program's automatic processing and to analyze the locations of the sampling points specifically. The generation of large lattice coding map layer according to the necessity is proved to be useful in improving the efficiency and quality of the work.%区域化探样点布置工作中,大格编码是一项必不可少的内容,人工编制起来较繁琐,易出错.笔者根据多年区域化探工作经验,利用计算机程序编制语言,编制大格编码自动生成软件包,根据实际需要生成大格编码图层,提高了野外工作效率和室内制图质量.
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