一个专用绘图软件，可以应用于工程当中，需要用绘图表现工业现场的布置图，并要求绘图软件能够将绘图元素对象化，有利于修改、为其赋予特殊的属性。-a special mapping software, which can be applied to projects that need graphics performance of the industrial layout of the scene and called Mapping s