Great Circle Configuration - Provides a means of configuring the Great Circle Map display with three projection options.Perspective - Provides a perspective view of the Great Circle Map. With this option, Altitude and Azimuth settings are available.
Modified Perspective - Provides a modified perspective view of the Great Circle Map. With this option, Altitude and Azimuth settings are available.
Azimuthal Equidistant - Provides an azimuthal equidistant view of the Great Circle Map. With this option, Altitude and Azimuth settings are not available as they are not necessary.
Altitude - Enter the relative altitude above the earth for your desired Great Circle View.
Azimuth - Enter the desired Azimuth or rotation in degrees.
If you make a change, click the Apply button and you will see your modifications immediately.