ViewAngles

superclasses:

Tuple

subclassing:

The user may define subclasses of this class.

attributes:

[centreAzimuthAngle] Real

[centreElevationAngle] Real

[leftRightFieldofView] Real

[topBottomFieldofView] Real

comments:

The centre azimuth angle is the viewing azimuth angle at the image centre, clockwise from grid North. The centre elevation angle is the viewing elevation angle from nadir at the image centre. The left-right field of view is the angular field of view from edge to edge. The top-bottom field of view is the field of view from top to bottom.