occlusion
Description
Examples
Create a tracking scenario object.
scene = trackingScenario;
Specify the terrain and define the boundary of the terrain as a square centered at the origin.
terrrain =[0 10 0; 0 10 0; 0 10 0]; boundary = [-100 100; -100 100];
Create the ground surface and add it to the scenario.
surface = groundSurface(scene,Terrain=terrrain,Boundary=boundary)
surface = GroundSurface with properties: Terrain: [3×3 double] ReferenceHeight: 0 Boundary: [2×2 double]
Query the occlusion status of the line-of-sight vector between the corner point (–100, –100, 0) and the other corner point (100, 100, 20). The ground surface occludes the line-of-sight.
occlusion(surface,[-100 -100 0],[100 100 20])
ans = logical
0
Raise the height of the first corner point. Now the ground surface no longer occludes the line-of-sight.
occlusion(surface,[-100 -100 10],[100 100 20])
ans = logical
0
Input Arguments
Ground surface, specified as a GroundSurface
object.
Position of the first point, specified as a three-element real-valued vector.
If the IsEarthCentered
property of the trackingScenario
object is specified as:
false
— Specify the three elements, in meters, as the x-, y-, and z-coordinates of the position in the reference frame of the tracking scenario.true
— Specify the three elements as the latitude in degrees, longitude in degrees, and altitude in meters of the position, in the geodetic frame.
Data Types: single
| double
Position of the second point, specified as a three-element real-valued vector.
If the IsEarthCentered
property of the trackingScenario
object is specified as:
false
— Specify the three elements, in meters, as the x-, y-, and z-coordinates of the position in the reference frame of the tracking scenario.true
— Specify the three elements as the latitude in degrees, longitude in degrees, and altitude in meters of the position, in the geodetic frame.
Data Types: single
| double
Output Arguments
Occlusion status, returned as a logical 1
(true
) or
0
(false
). If true, the line-of-sight between
the two positions is occluded by the surface. Otherwise, this argument returns
false.
Version History
Introduced in R2022a
See Also
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