1, the present system works elevation coordinate system with professional planning, layout dimensions FIG units m, other non-standard dimensions in mm are calculated.
1, the project elevation system, coordinate system with planning professional, floor plan dimensions dimension units for m, other unmarked dimension units are calculated by mm.
1. The elevation system and coordinate system of the project are the same as those of the planning discipline, and the unit of dimension in the layout plan is m, and other units without dimension are calculated in mm.