Figure 14.39 Unclipped (Left) and Clipped (Right) Reference Lines and Contours
1.
Select Help > Sample Data Library and open Cities.jmp.
2.
Select Graph > Graph Builder.
3.
Drag the Latitude column to the Y axis.
4.
Drag the Longitude column to the X axis.
5.
Right-click the graph and select Graph > Background Map.
6.
In the Boundaries column, select US States and click OK.
Figure 14.40 Background Map
Figure 14.41 Unclipped Contours on Background Map
1.
On the Latitude axis, double-click 45°00’ N to open the Y Axis Settings window.
3.
Click Add and then OK.
Figure 14.42 Unclipped Reference Line
2.
Select Reference Lines and select US States from the Clip Shape list.
3.
Select Contour, select US States from the Clip Shape list, and click OK.
Figure 14.43 Clipped Reference Line and Contours
Tips: 
The boundaries that appear in the Background Map window are installed in the JMP Maps installation folder. See Custom Map Files for details about adding your own boundaries.

Help created on 10/11/2018