Setting coordinate systems

Explains how coordinate systems can be set.

Summarizes the different ways coordinate systems can be set.

Explains how to set the coordinate system using the Coordinate System tab.

Explains how to set the coordinate system using the Predefined Coordinate Systems pane.

Overview

There are two ways of setting the coordinate system, using the Coordinate System tab or using the Predefined Coordinate Systems pane.

Coordinate system tab

To set the coordinate system from the Coordinate System tab:

1. Click the Coordinate System tab to display the Projection pane.

2. Click the Down Arrow button and select a projection from the list.

3. If you want to change the position of the central meridians and parallels, enter the values for the parameters, or click the

5. button and then click the position in the Map View where you want the new projection center to be.

6. Select Advanced, if you want to use the advanced options.

7. Set the properties of the selected projection, if required.

8. If the coordinate system you have chosen allows it, click the Down Arrow button and select a datum from the list.

9. Click the

10.

11. button to display the datum properties and set them as required.

12. If the coordinate system you have chosen allows it, click the Down Arrow button and select an ellipsoid from the list.

13. Click the

14.

15. button to display the ellipsoid properties and set them as required.

Predefined coordinate systems

To set the coordinate system from the Predefined Coordinate Systems pane:

1. Choose Options>Predefined Coordinate Systemsto display the Projection pane.

2. In the left of the pane select a coordinate system from the list.

The information for the Projection, Datum, and Ellipsoid properties is for information only and cannot be changed in this pane.