GlobalPressureTemperature2.java
/* Copyright 2002-2024 Thales Alenia Space
* Licensed to CS GROUP (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.models.earth.weather;
import java.io.IOException;
import org.hipparchus.CalculusFieldElement;
import org.orekit.data.DataSource;
import org.orekit.time.AbsoluteDate;
import org.orekit.time.FieldAbsoluteDate;
/** The Global Pressure and Temperature 2 (GPT2) model.
* @author Luc Maisonobe
* @since 12.1
*/
public class GlobalPressureTemperature2 extends AbstractGlobalPressureTemperature {
/**
* Constructor with source of GPT2 auxiliary data given by user.
*
* @param source grid data source (files with extra columns like GPT2w or GPT3 can be used here)
* @exception IOException if grid data cannot be read
*/
public GlobalPressureTemperature2(final DataSource source)
throws IOException {
super(source,
SeasonalModelType.PRESSURE,
SeasonalModelType.TEMPERATURE,
SeasonalModelType.QV,
SeasonalModelType.DT,
SeasonalModelType.AH,
SeasonalModelType.AW);
}
/** {@inheritDoc} */
@Override
protected double deltaRef(final AbsoluteDate date) {
return date.durationFrom(AbsoluteDate.J2000_EPOCH);
}
/** {@inheritDoc} */
@Override
protected <T extends CalculusFieldElement<T>> T deltaRef(final FieldAbsoluteDate<T> date) {
return date.durationFrom(FieldAbsoluteDate.getJ2000Epoch(date.getField()));
}
}