Package org.orekit.propagation.events.functions

Class ElevationExtremumEventFunction

java.lang.Object

org.orekit.propagation.events.functions.AbstractTopocentricEventFunction

org.orekit.propagation.events.functions.ElevationExtremumEventFunction

All Implemented Interfaces:

EventFunction

public class ElevationExtremumEventFunction
extends AbstractTopocentricEventFunction

Event function for elevation extremum with respect to a ground point.

Since:

14.0

Author:

Romain Serra

Constructor Summary

Constructors

Constructor	Description
ElevationExtremumEventFunction(TopocentricFrame topo)	Constructor.

Method Summary

Modifier and Type	Method	Description
<T extends CalculusFieldElement<T>> T	value(FieldSpacecraftState<T> s)	Compute the value of the detection function.
double	value(SpacecraftState state)	Evaluate function.

Methods inherited from class org.orekit.propagation.events.functions.AbstractTopocentricEventFunction

getTopocentricFrame

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.orekit.propagation.events.functions.EventFunction

dependsOnMainVariablesOnly, dependsOnTimeOnly

Constructor Details

ElevationExtremumEventFunction

public ElevationExtremumEventFunction(TopocentricFrame topo)

Constructor.

Parameters:

topo - topocentric frame centered on ground point

Method Details

value

public double value(SpacecraftState state)

Description copied from interface: EventFunction

Evaluate function.

Parameters:

state - spacecraft state

Returns:

value

value

public <T extends CalculusFieldElement<T>> T value(FieldSpacecraftState<T> s)

Compute the value of the detection function.

The value is the spacecraft elevation first time derivative.

Type Parameters:

T - field type

Parameters:

s - the current state information: date, kinematics, attitude

Returns:

spacecraft elevation first time derivative