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java.lang.Object org.orekit.attitudes.AbstractAttitudeLaw org.orekit.attitudes.TargetPointing
public class TargetPointing
This class handles target pointing attitude provider.
This class represents the attitude provider where the satellite z axis is pointing to a ground point target.
The target position is defined in a body frame specified by the user. It is important to make sure this frame is consistent.
The object TargetPointing
is guaranteed to be immutable.
GroundPointing
,
Serialized FormConstructor Summary | |
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TargetPointing(Frame bodyFrame,
Vector3D target)
Creates a new instance from body frame and target expressed in cartesian coordinates. |
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TargetPointing(GeodeticPoint targetGeo,
BodyShape shape)
Creates a new instance from body shape and target expressed in geodetic coordinates. |
Method Summary | |
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Attitude |
getAttitude(PVCoordinatesProvider pvProv,
AbsoluteDate date,
Frame frame)
Compute the attitude corresponding to an orbital state. |
Methods inherited from class org.orekit.attitudes.AbstractAttitudeLaw |
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getAttitude, getSpinDerivativesComputation, setSpinDerivativesComputation |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TargetPointing(Frame bodyFrame, Vector3D target)
bodyFrame
- body frame.target
- target position in body framepublic TargetPointing(GeodeticPoint targetGeo, BodyShape shape)
targetGeo
- target defined as a geodetic point in body shape frameshape
- body shapeMethod Detail |
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public Attitude getAttitude(PVCoordinatesProvider pvProv, AbsoluteDate date, Frame frame) throws OrekitException
pvProv
- local position-velocity provider around current datedate
- current dateframe
- reference frame from which attitude is computed
OrekitException
- if attitude cannot be computed
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