| Description: The reference_location indicates the position to which values in the containing class apply. If the reference location is on a target, the target is the one specified in the parent Geometry_Orbiter class. |
| Namespace Id: geom | Steward: geo | Class Name: Illumination_Specific | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | Boresight Intercept Point | Values were determined for the point where the boresight vector intersects the designated target. |
| | Constant | Constant is used when the pixel scale does not vary, e.g., for telecentric lenses, maps, or cameras that look at constant, fixed targets, such as microscope stages. |
| | Subspacecraft Point | Values were determined for the subspacecraft point on the designated target. |
| | Target Center | Values were determined for the center of the designated target. |