AdamsMoultonIntegratorBuilder.java
- /* Copyright 2002-2016 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.propagation.conversion;
- import org.apache.commons.math3.ode.AbstractIntegrator;
- import org.apache.commons.math3.ode.nonstiff.AdamsMoultonIntegrator;
- import org.orekit.errors.PropagationException;
- import org.orekit.orbits.Orbit;
- import org.orekit.orbits.OrbitType;
- import org.orekit.propagation.numerical.NumericalPropagator;
- /** Builder for AdamsMoultonIntegrator.
- * @author Pascal Parraud
- * @since 6.0
- */
- public class AdamsMoultonIntegratorBuilder implements FirstOrderIntegratorBuilder {
- /** Number of steps. */
- private final int nSteps;
- /** Minimum step size (s). */
- private final double minStep;
- /** Maximum step size (s). */
- private final double maxStep;
- /** Minimum step size (s). */
- private final double dP;
- /** Build a new instance.
- * @param nSteps number of steps
- * @param minStep minimum step size (s)
- * @param maxStep maximum step size (s)
- * @param dP position error (m)
- * @see AdamsMoultonIntegrator
- * @see NumericalPropagator#tolerances(double, Orbit, OrbitType)
- */
- public AdamsMoultonIntegratorBuilder(final int nSteps, final double minStep,
- final double maxStep, final double dP) {
- this.nSteps = nSteps;
- this.minStep = minStep;
- this.maxStep = maxStep;
- this.dP = dP;
- }
- /** {@inheritDoc} */
- public AbstractIntegrator buildIntegrator(final Orbit orbit, final OrbitType orbitType)
- throws PropagationException {
- final double[][] tol = NumericalPropagator.tolerances(dP, orbit, orbitType);
- return new AdamsMoultonIntegrator(nSteps, minStep, maxStep, tol[0], tol[1]);
- }
- }