Pattern Intersection Corners

Points of the pattern that represent intersection of boundary of the sensor field-of-view with the ground surface. Points are computed in the sensor's central body fixed coordinate system. Additionally, on a Sensor's 2D Graphics Projection properties page, if "Use" is enabled under Extension Distances, points on set altitude projection levels are reported; if Show Intersections is set to Terrain, non-zero altitude values are reported for the pattern intersection and if set to Central Body, the altitude is always 0.

Available for these objects: Sensor

Type: Fixed data given specified evaluation intervals and step sizes.

Availability: Reports | Graphs | Dynamic Displays | Strip Charts

Data Provider Elements

Name	Dimension	Type	Description
Latitude	LatitudeUnit	Real Number	The detic latitude (i.e., angle between the detic subpoint's surface normal vector and the XY plane.).
Longitude	LongitudeUnit	Real Number	The detic longitude (i.e., angle from the X-axis locating the projection of the detic subpoint's surface normal vector onto the XY plane.) Longitude increases in the direction found using the right-hand rule about the Z-axis.
Altitude	DistanceUnit	Real Number	The altitude value (i.e., magnitude of the relative position vector between the object and its detic subpoint).
CBF X	DistanceUnit	Real Number	The X component of the position vector of the intersection point, expressed in the sensor's central body fixed system.
CBF Y	DistanceUnit	Real Number	The Y component of the position vector of the intersection point, expressed in the sensor's central body fixed system.
CBF Z	DistanceUnit	Real Number	The Z component of the position vector of the intersection point, expressed in the sensor's central body fixed system.
Range	DistanceUnit	Real Number	The range (i.e., distance between the primary and secondary object) at the given time.
Distance AlongGroundTrack	DistanceUnit	Real Number	A measure of distance to the intersection point along the ground track direction. Points forward of the sensor's detic subpoint are considered to have positive distances while points behind the detic subpoint will have negative distances. The distance is computed from the detic subpoint to the projection of the intersection point to a plane through the detic subpoint aligned with the ground track at that point.
Distance PerpToGroundTrack	DistanceUnit	Real Number	A measure of distance to the intersection point perpendicular to the ground track direction. Points left of the sensor's detic subpoint are considered to have positive distances while points right of the detic subpoint will have negative distances. The distance is computed from the detic subpoint to the projection of the intersection point to a plane through the detic subpoint perpendicular to the ground track at that point.
Point Index	Unitless	Integer	Integer index of corner point which can be used to correlate corner points at different times.
Point Name	Unitless	Text	Textual name of corner point which is intended to provide a description of the location of the corner point in the sensor pattern. For rectangular sensors, the corner point names are MinusXMinusY, PlusXMinusy, PlusXPlusY and MinusXPlusY where the names indicate the locations of the corner points as viewed in the sensor body frame.
UTM Zone	Unitless	Text	The easting value within the UTM zone for the detic subpoint. Available only when the central body is Earth.
UTM Easting	DistanceUnit	Real Number	The easting value within the UTM zone for the detic subpoint. Available only when the central body is Earth.
UTM Northing	DistanceUnit	Real Number	The northing value within the UTM zone for the detic subpoint. Available only when the central body is Earth.
MGRS Cell	Unitless	Text	The MGRS (Military Grid Reference System) code for the cell area containing the detic subpoint. Available only when the central body is Earth.