org.orekit.attitudes
public class BodyCenterPointing extends GroundPointing
This class represents the attitude provider where the satellite z axis is pointing to the body frame center.
The object BodyCenterPointing
is guaranteed to be immutable.
GroundPointing
,
Serialized FormConstructor and Description |
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BodyCenterPointing(Frame bodyFrame)
Creates new instance.
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Modifier and Type | Method and Description |
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protected Vector3D |
getTargetPoint(PVCoordinatesProvider pvProv,
AbsoluteDate date,
Frame frame)
Compute the target point in specified frame.
|
protected PVCoordinates |
getTargetPV(PVCoordinatesProvider pvProv,
AbsoluteDate date,
Frame frame)
Compute the target point position/velocity in specified frame.
|
getAttitude, getBodyFrame
public BodyCenterPointing(Frame bodyFrame)
bodyFrame
- Body frameprotected Vector3D getTargetPoint(PVCoordinatesProvider pvProv, AbsoluteDate date, Frame frame) throws OrekitException
getTargetPoint
in class GroundPointing
pvProv
- provider for PV coordinatesdate
- date at which target point is requestedframe
- frame in which observed ground point should be providedOrekitException
- if some specific error occurs,
such as no target reachedprotected PVCoordinates getTargetPV(PVCoordinatesProvider pvProv, AbsoluteDate date, Frame frame) throws OrekitException
The default implementation use a simple two points finite differences scheme, it may be replaced by more accurate models in specialized implementations.
getTargetPV
in class GroundPointing
pvProv
- provider for PV coordinatesdate
- date at which target point is requestedframe
- frame in which observed ground point should be providedOrekitException
- if some specific error occurs,
such as no target reachedCopyright © 2002–2015 CS Syst?mes d'Information. All rights reserved.