2011

Table Of Contents
In Map Explorer, right-click Current
Drawing Coordinate System
Task Pane
Assign Global Coordinate System dialog boxDialog Box
Removing an Assigned Coordinate System
For ADE data, using the AutoCAD Map 3D coordinate systems requires many
complex calculations that can decrease performance when querying objects
from attached drawings and saving back the objects. With FDO data these
calculations are unnecessary, so there is no performance impact.
You can turn off a coordinate system while working in a particular drawing.
See also:
Overview of Coordinate Systems (page 143)
To turn off a global coordinate system
1 Click Map Setup tab Coordinate System panel Assign.
2 In the Assign Global Coordinate System dialog box (page 1598), in the Code
box under Current Drawing, enter a period (.). Press Enter.
3 Click OK.
Quick Reference
ADESETCRDSYS
Assigns a global coordinate system code for the current drawing or attached
drawings
Setup menu Assign Global Coordinate System
Menu
Assign Coordinate System
Icon
ADESETCRDSYSCommand Line
In Map Explorer, right-click Current
Drawing Coordinate System
Task Pane
150 | Chapter 2 Setting Up