/* Copyright 2002-2017 CS Systèmes d'Information
* Licensed to CS Systèmes d'Information (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.orekit.attitudes;
import org.hipparchus.RealFieldElement;
import org.orekit.errors.OrekitException;
import org.orekit.frames.Frame;
import org.orekit.time.FieldAbsoluteDate;
import org.orekit.utils.FieldPVCoordinatesProvider;
/** This interface represents an attitude provider model set.
* <p>An attitude provider provides a way to compute an {@link Attitude Attitude}
* from an date and position-velocity local provider.</p>
* @author Véronique Pommier-Maurussane
*/
public interface FieldAttitudeProvider<T extends RealFieldElement<T>> {
/** Compute the attitude corresponding to an orbital state.
* @param pvProv local position-velocity provider around current date
* @param date current date
* @param frame reference frame from which attitude is computed
* @return attitude attitude on the specified date and position-velocity state
* @throws OrekitException if attitude cannot be computed
*/
FieldAttitude<T> getAttitude(FieldPVCoordinatesProvider<T> pvProv, FieldAbsoluteDate<T> date, Frame frame)
throws OrekitException;
}