public void handleStep(OrekitStepInterpolator interpolator, boolean isLast)
throws PropagationException {
try {
if (pickUpDate == null) {
// we want to pick up the Jacobians at the end of last step
if (isLast) {
interpolator.setInterpolatedDate(interpolator.getCurrentDate());
}
} else {
// we want to pick up some intermediate Jacobians
double dt0 = pickUpDate.durationFrom(interpolator.getPreviousDate());
double dt1 = pickUpDate.durationFrom(interpolator.getCurrentDate());
if (dt0 * dt1 > 0) {
// the current step does not cover the pickup date
return;
} else {
interpolator.setInterpolatedDate(pickUpDate);
}
}
Assert.assertEquals(1, interpolator.getInterpolatedState().getAdditionalStates().size());
Assert.assertTrue(
interpolator
.getInterpolatedState()
.getAdditionalStates()
.containsKey(mapper.getName()));
SpacecraftState state = interpolator.getInterpolatedState();
mapper.getStateJacobian(state, dYdY0);
mapper.getParametersJacobian(state, dYdP);
} catch (PropagationException pe) {
throw pe;
} catch (OrekitException oe) {
throw new PropagationException(oe);
}
}
public PickUpHandler(JacobiansMapper mapper, AbsoluteDate pickUpDate) {
this.mapper = mapper;
this.pickUpDate = pickUpDate;
dYdY0 = new double[mapper.getStateDimension()][mapper.getStateDimension()];
dYdP = new double[mapper.getStateDimension()][mapper.getParameters()];
}
