Unidata

1. Select the Projections->New/Edit menu item.
2. View an existing projection.
   • Select "US>CONUS" and press Edit
   • Right mouse/drag in map to scroll. Shift+Left mouse drag to zoom.
   • Press Cancel
3. Create a new projection.
   • Click on the New button.
   • In the Define/Edit Projection window enter the name "Workshop>Colorado" in the Name box.
   • Leave the Type as "LatLon".
   • Click in the map view on the left and delete the existing bounding box by pressing the Delete key.
   • Click in the Maps menu and turn on the World Coastlines map.
   • Zoom in over the United States by holding the Shift key down and dragging the mouse with the left mouse button down.
   • Draw a bounding box over Colorado by dragging with the left mouse button pressed. You can adjust the size of the box by dragging on the boxes on the box. You can move the box by clicking and dragging on the box lines. When you are finished, click the Save button.
   • Back in the Projections->Predefined menu select Workshop->Colorado to view the projection.
4. Set the default projection to "US>CONUS"
   • Open the Preferences Manager from the Edit->Preferences menu.
   • Select the Main View tab.
   • Select the US>CONUS projection in the Default Projection dropdown list.
   • Click the OK button.
   • The next time you start the IDV, that will be your default projection.

Unidata IDV Workshop for version 3.0u1 > Starting the IDV/GUI Basics > IDV Basic Concepts