PhysicalProperties.java
/* Copyright 2002-2022 CS GROUP
* 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.files.ccsds.ndm.odm.ocm;
import java.util.ArrayList;
import java.util.List;
import org.hipparchus.complex.Quaternion;
import org.hipparchus.linear.MatrixUtils;
import org.hipparchus.linear.RealMatrix;
import org.orekit.files.ccsds.definitions.FrameFacade;
import org.orekit.files.ccsds.definitions.OrbitRelativeFrame;
import org.orekit.files.ccsds.section.CommentsContainer;
import org.orekit.time.AbsoluteDate;
import org.orekit.utils.Constants;
/** Spacecraft physical properties.
* @author Luc Maisonobe
* @since 11.0
*/
public class PhysicalProperties extends CommentsContainer {
/** Satellite manufacturer name. */
private String manufacturer;
/** Bus model name. */
private String busModel;
/** Other space objects this object is docked to. */
private List<String> dockedWith;
/** Attitude-independent drag cross-sectional area, not already into attitude-dependent area along OEB. */
private double dragConstantArea;
/** Nominal drag coefficient. */
private double dragCoefficient;
/** Drag coefficient 1σ uncertainty. */
private double dragUncertainty;
/** Total mass at beginning of life. */
private double initialWetMass;
/** Total mass at T₀. */
private double wetMass;
/** Mass without propellant. */
private double dryMass;
/** Optimally Enclosing Box parent reference frame. */
private FrameFacade oebParentFrame;
/** Optimally Enclosing Box parent reference frame epoch. */
private AbsoluteDate oebParentFrameEpoch;
/** Quaternion defining Optimally Enclosing Box. */
private final double[] oebQ;
/** Dimensions of Optimally Enclosing Box along X-OEB (i.e max). */
private double oebMax;
/** Dimensions of Optimally Enclosing Box along Y-OEB (i.e intermediate). */
private double oebIntermediate;
/** Dimensions of Optimally Enclosing Box along Z-OEB (i.e min). */
private double oebMin;
/** Cross-sectional area of Optimally Enclosing Box along X-OEB. */
private double oebAreaAlongMax;
/** Cross-sectional area of Optimally Enclosing Box along Y-OEB. */
private double oebAreaAlongIntermediate;
/** Cross-sectional area of Optimally Enclosing Box along Z-OEB. */
private double oebAreaAlongMin;
/** Minimum cross-sectional area for collision probability estimation purposes. */
private double minAreaForCollisionProbability;
/** Maximum cross-sectional area for collision probability estimation purposes. */
private double maxAreaForCollisionProbability;
/** Typical (50th percentile) cross-sectional area for collision probability estimation purposes. */
private double typAreaForCollisionProbability;
/** Typical (50th percentile) radar cross-section. */
private double rcs;
/** Minimum radar cross-section. */
private double minRcs;
/** Maximum radar cross-section. */
private double maxRcs;
/** Attitude-independent SRP area, not already into attitude-dependent area along OEB. */
private double srpConstantArea;
/** Nominal SRP coefficient. */
private double srpCoefficient;
/** SRP coefficient 1σ uncertainty. */
private double srpUncertainty;
/** Typical (50th percentile) visual magnitude. */
private double vmAbsolute;
/** Minimum apparent visual magnitude. */
private double vmApparentMin;
/** Typical (50th percentile) apparent visual magnitude. */
private double vmApparent;
/** Maximum apparent visual magnitude. */
private double vmApparentMax;
/** Typical (50th percentile) coefficient of reflectance. */
private double reflectance;
/** Attitude control mode. */
private String attitudeControlMode;
/** Type of actuator for attitude control. */
private String attitudeActuatorType;
/** Accuracy of attitude knowledge. */
private double attitudeKnowledgeAccuracy;
/** Accuracy of attitude control. */
private double attitudeControlAccuracy;
/** Overall accuracy of spacecraft to maintain attitude. */
private double attitudePointingAccuracy;
/** Average average frequency of orbit or attitude maneuvers (in SI units, hence per second). */
private double maneuversFrequency;
/** Maximum composite thrust the spacecraft can accomplish. */
private double maxThrust;
/** Total ΔV capability at beginning of life. */
private double bolDv;
/** Total ΔV remaining for spacecraft. */
private double remainingDv;
/** Inertia matrix. */
private RealMatrix inertiaMatrix;
/** Simple constructor.
* @param epochT0 T0 epoch from file metadata
*/
PhysicalProperties(final AbsoluteDate epochT0) {
// we don't call the setXxx() methods in order to avoid
// calling refuseFurtherComments as a side effect
dockedWith = new ArrayList<>();
dragConstantArea = Double.NaN;
dragCoefficient = Double.NaN;
dragUncertainty = 0.0;
initialWetMass = Double.NaN;
wetMass = Double.NaN;
dryMass = Double.NaN;
oebParentFrame = new FrameFacade(null, null, OrbitRelativeFrame.RIC, null,
OrbitRelativeFrame.RIC.name());
oebParentFrameEpoch = epochT0;
oebQ = new double[4];
oebMax = Double.NaN;
oebIntermediate = Double.NaN;
oebMin = Double.NaN;
oebAreaAlongMax = Double.NaN;
oebAreaAlongIntermediate = Double.NaN;
oebAreaAlongMin = Double.NaN;
minAreaForCollisionProbability = Double.NaN;
maxAreaForCollisionProbability = Double.NaN;
typAreaForCollisionProbability = Double.NaN;
rcs = Double.NaN;
minRcs = Double.NaN;
maxRcs = Double.NaN;
srpConstantArea = Double.NaN;
srpCoefficient = Double.NaN;
srpUncertainty = Double.NaN;
vmAbsolute = Double.NaN;
vmApparentMin = Double.NaN;
vmApparent = Double.NaN;
vmApparentMax = Double.NaN;
reflectance = Double.NaN;
attitudeKnowledgeAccuracy = Double.NaN;
attitudeControlAccuracy = Double.NaN;
attitudePointingAccuracy = Double.NaN;
maneuversFrequency = Double.NaN;
maxThrust = Double.NaN;
bolDv = Double.NaN;
remainingDv = Double.NaN;
inertiaMatrix = MatrixUtils.createRealMatrix(3, 3);
}
/** Get manufacturer name.
* @return manufacturer name
*/
public String getManufacturer() {
return manufacturer;
}
/** Set manufacturer name.
* @param manufacturer manufacturer name
*/
public void setManufacturer(final String manufacturer) {
refuseFurtherComments();
this.manufacturer = manufacturer;
}
/** Get the bus model name.
* @return bus model name
*/
public String getBusModel() {
return busModel;
}
/** Set the bus model name.
* @param busModel bus model name
*/
public void setBusModel(final String busModel) {
refuseFurtherComments();
this.busModel = busModel;
}
/** Get the other space objects this object is docked to.
* @return the oother space objects this object is docked to
*/
public List<String> getDockedWith() {
return dockedWith;
}
/** Set the other space objects this object is docked to.
* @param dockedWith the other space objects this object is docked to
*/
public void setDockedWith(final List<String> dockedWith) {
refuseFurtherComments();
this.dockedWith = dockedWith;
}
/** Get the attitude-independent drag cross-sectional area, not already into attitude-dependent area along OEB.
* @return attitude-independent drag cross-sectional area, not already into attitude-dependent area along OEB
*/
public double getDragConstantArea() {
return dragConstantArea;
}
/** Set the attitude-independent drag cross-sectional area, not already into attitude-dependent area along OEB.
* @param dragConstantArea attitude-independent drag cross-sectional area, not already into attitude-dependent area along OEB
*/
public void setDragConstantArea(final double dragConstantArea) {
refuseFurtherComments();
this.dragConstantArea = dragConstantArea;
}
/** Get the nominal drag coefficient.
* @return the nominal drag coefficient
*/
public double getDragCoefficient() {
return dragCoefficient;
}
/** Set the the nominal drag coefficient.
* @param dragCoefficient the nominal drag coefficient
*/
public void setDragCoefficient(final double dragCoefficient) {
refuseFurtherComments();
this.dragCoefficient = dragCoefficient;
}
/** Get the drag coefficient 1σ uncertainty.
* @return drag coefficient 1σ uncertainty (in %)
*/
public double getDragUncertainty() {
return dragUncertainty;
}
/** Set the drag coefficient 1σ uncertainty.
* @param dragUncertainty drag coefficient 1σ uncertainty (in %)
*/
public void setDragUncertainty(final double dragUncertainty) {
refuseFurtherComments();
this.dragUncertainty = dragUncertainty;
}
/** Get the total mass at beginning of life.
* @return total mass at beginning of life
*/
public double getInitialWetMass() {
return initialWetMass;
}
/** Set the total mass at beginning of life.
* @param initialWetMass total mass at beginning of life
*/
public void setInitialWetMass(final double initialWetMass) {
refuseFurtherComments();
this.initialWetMass = initialWetMass;
}
/** Get the total mass at T₀.
* @return total mass at T₀
*/
public double getWetMass() {
return wetMass;
}
/** Set the total mass at T₀.
* @param wetMass total mass at T₀
*/
public void setWetMass(final double wetMass) {
refuseFurtherComments();
this.wetMass = wetMass;
}
/** Get the mass without propellant.
* @return mass without propellant
*/
public double getDryMass() {
return dryMass;
}
/** Set the mass without propellant.
* @param dryMass mass without propellant
*/
public void setDryMass(final double dryMass) {
refuseFurtherComments();
this.dryMass = dryMass;
}
/** Get the Optimally Enclosing Box parent reference frame.
* @return Optimally Enclosing Box parent reference frame
*/
public FrameFacade getOebParentFrame() {
return oebParentFrame;
}
/** Set the Optimally Enclosing Box parent reference frame.
* @param oebParentFrame Optimally Enclosing Box parent reference frame
*/
public void setOebParentFrame(final FrameFacade oebParentFrame) {
refuseFurtherComments();
this.oebParentFrame = oebParentFrame;
}
/** Get the Optimally Enclosing Box parent reference frame epoch.
* @return Optimally Enclosing Box parent reference frame epoch
*/
public AbsoluteDate getOebParentFrameEpoch() {
return oebParentFrameEpoch;
}
/** Set the Optimally Enclosing Box parent reference frame epoch.
* @param oebParentFrameEpoch Optimally Enclosing Box parent reference frame epoch
*/
public void setOebParentFrameEpoch(final AbsoluteDate oebParentFrameEpoch) {
refuseFurtherComments();
this.oebParentFrameEpoch = oebParentFrameEpoch;
}
/** Get the quaternion defining Optimally Enclosing Box.
* @return quaternion defining Optimally Enclosing Box
*/
public Quaternion getOebQ() {
return new Quaternion(oebQ[0], oebQ[1], oebQ[2], oebQ[3]);
}
/** set the component of quaternion defining Optimally Enclosing Box.
* @param i index of the component
* @param qI component of quaternion defining Optimally Enclosing Box
*/
public void setOebQ(final int i, final double qI) {
refuseFurtherComments();
oebQ[i] = qI;
}
/** Get the dimensions of Optimally Enclosing Box along X-OEB (i.e max).
* @return dimensions of Optimally Enclosing Box along X-OEB (i.e max)
*/
public double getOebMax() {
return oebMax;
}
/** Set the dimensions of Optimally Enclosing Box along X-OEB (i.e max).
* @param oebMax dimensions of Optimally Enclosing Box along X-OEB (i.e max)
*/
public void setOebMax(final double oebMax) {
refuseFurtherComments();
this.oebMax = oebMax;
}
/** Get the dimensions of Optimally Enclosing Box along Y-OEB (i.e intermediate).
* @return dimensions of Optimally Enclosing Box along Y-OEB (i.e intermediate).
*/
public double getOebIntermediate() {
return oebIntermediate;
}
/** Set the dimensions of Optimally Enclosing Box along Y-OEB (i.e intermediate).
* @param oebIntermediate dimensions of Optimally Enclosing Box along Y-OEB (i.e intermediate).
*/
public void setOebIntermediate(final double oebIntermediate) {
refuseFurtherComments();
this.oebIntermediate = oebIntermediate;
}
/** Get the dimensions of Optimally Enclosing Box along Z-OEB (i.e min).
* @return dimensions of Optimally Enclosing Box along Z-OEB (i.e min)
*/
public double getOebMin() {
return oebMin;
}
/** Set the dimensions of Optimally Enclosing Box along Z-OEB (i.e min).
* @param oebMin dimensions of Optimally Enclosing Box along Z-OEB (i.e min)
*/
public void setOebMin(final double oebMin) {
refuseFurtherComments();
this.oebMin = oebMin;
}
/** Get the cross-sectional area of Optimally Enclosing Box along X-OEB.
* @return cross-sectional area of Optimally Enclosing Box along X-OEB
*/
public double getOebAreaAlongMax() {
return oebAreaAlongMax;
}
/** Set the cross-sectional area of Optimally Enclosing Box along X-OEB.
* @param oebAreaAlongMax cross-sectional area of Optimally Enclosing Box along X-OEB
*/
public void setOebAreaAlongMax(final double oebAreaAlongMax) {
refuseFurtherComments();
this.oebAreaAlongMax = oebAreaAlongMax;
}
/** Get the cross-sectional area of Optimally Enclosing Box along Y-OEB.
* @return cross-sectional area of Optimally Enclosing Box along Y-OEB
*/
public double getOebAreaAlongIntermediate() {
return oebAreaAlongIntermediate;
}
/** Set the cross-sectional area of Optimally Enclosing Box along Y-OEB.
* @param oebAreaAlongIntermediate cross-sectional area of Optimally Enclosing Box along X-OEB
*/
public void setOebAreaAlongIntermediate(final double oebAreaAlongIntermediate) {
refuseFurtherComments();
this.oebAreaAlongIntermediate = oebAreaAlongIntermediate;
}
/** Get the cross-sectional area of Optimally Enclosing Box along Z-OEB.
* @return cross-sectional area of Optimally Enclosing Box along X-OEB
*/
public double getOebAreaAlongMin() {
return oebAreaAlongMin;
}
/** Set the cross-sectional area of Optimally Enclosing Box along Z-OEB.
* @param oebAreaAlongMin cross-sectional area of Optimally Enclosing Box along X-OEB
*/
public void setOebAreaAlongMin(final double oebAreaAlongMin) {
refuseFurtherComments();
this.oebAreaAlongMin = oebAreaAlongMin;
}
/** Get the minimum cross-sectional area for collision probability estimation purposes.
* @return minimum cross-sectional area for collision probability estimation purposes
*/
public double getMinAreaForCollisionProbability() {
return minAreaForCollisionProbability;
}
/** Set the minimum cross-sectional area for collision probability estimation purposes.
* @param minAreaForCollisionProbability minimum cross-sectional area for collision probability estimation purposes
*/
public void setMinAreaForCollisionProbability(final double minAreaForCollisionProbability) {
refuseFurtherComments();
this.minAreaForCollisionProbability = minAreaForCollisionProbability;
}
/** Get the maximum cross-sectional area for collision probability estimation purposes.
* @return maximum cross-sectional area for collision probability estimation purposes
*/
public double getMaxAreaForCollisionProbability() {
return maxAreaForCollisionProbability;
}
/** Set the maximum cross-sectional area for collision probability estimation purposes.
* @param maxAreaForCollisionProbability maximum cross-sectional area for collision probability estimation purposes
*/
public void setMaxAreaForCollisionProbability(final double maxAreaForCollisionProbability) {
refuseFurtherComments();
this.maxAreaForCollisionProbability = maxAreaForCollisionProbability;
}
/** Get the typical (50th percentile) cross-sectional area for collision probability estimation purposes.
* @return typical (50th percentile) cross-sectional area for collision probability estimation purposes
*/
public double getTypAreaForCollisionProbability() {
return typAreaForCollisionProbability;
}
/** Get the typical (50th percentile) cross-sectional area for collision probability estimation purposes.
* @param typAreaForCollisionProbability typical (50th percentile) cross-sectional area for collision probability estimation purposes
*/
public void setTypAreaForCollisionProbability(final double typAreaForCollisionProbability) {
refuseFurtherComments();
this.typAreaForCollisionProbability = typAreaForCollisionProbability;
}
/** Get the typical (50th percentile) radar cross-section.
* @return typical (50th percentile) radar cross-section
*/
public double getRcs() {
return rcs;
}
/** Set the typical (50th percentile) radar cross-section.
* @param rcs typical (50th percentile) radar cross-section
*/
public void setRcs(final double rcs) {
refuseFurtherComments();
this.rcs = rcs;
}
/** Get the minimum radar cross-section.
* @return minimum radar cross-section
*/
public double getMinRcs() {
return minRcs;
}
/** Set the minimum radar cross-section.
* @param minRcs minimum radar cross-section
*/
public void setMinRcs(final double minRcs) {
refuseFurtherComments();
this.minRcs = minRcs;
}
/** Get the maximum radar cross-section.
* @return maximum radar cross-section
*/
public double getMaxRcs() {
return maxRcs;
}
/** Set the maximum radar cross-section.
* @param maxRcs maximum radar cross-section
*/
public void setMaxRcs(final double maxRcs) {
refuseFurtherComments();
this.maxRcs = maxRcs;
}
/** Get the attitude-independent SRP area, not already into attitude-dependent area along OEB.
* @return attitude-independent SRP area, not already into attitude-dependent area along OEB
*/
public double getSrpConstantArea() {
return srpConstantArea;
}
/** Set the attitude-independent SRP area, not already into attitude-dependent area along OEB.
* @param srpConstantArea attitude-independent SRP area, not already into attitude-dependent area along OEB
*/
public void setSrpConstantArea(final double srpConstantArea) {
refuseFurtherComments();
this.srpConstantArea = srpConstantArea;
}
/** Get the nominal SRP coefficient.
* @return nominal SRP coefficient
*/
public double getSrpCoefficient() {
return srpCoefficient;
}
/** Set the nominal SRP coefficient.
* @param srpCoefficient nominal SRP coefficient
*/
public void setSrpCoefficient(final double srpCoefficient) {
refuseFurtherComments();
this.srpCoefficient = srpCoefficient;
}
/** Get the SRP coefficient 1σ uncertainty.
* @return SRP coefficient 1σ uncertainty
*/
public double getSrpUncertainty() {
return srpUncertainty;
}
/** Set the SRP coefficient 1σ uncertainty.
* @param srpUncertainty SRP coefficient 1σ uncertainty.
*/
public void setSrpUncertainty(final double srpUncertainty) {
refuseFurtherComments();
this.srpUncertainty = srpUncertainty;
}
/** Get the typical (50th percentile) visual magnitude.
* @return typical (50th percentile) visual magnitude
*/
public double getVmAbsolute() {
return vmAbsolute;
}
/** Set the typical (50th percentile) visual magnitude.
* @param vmAbsolute typical (50th percentile) visual magnitude
*/
public void setVmAbsolute(final double vmAbsolute) {
refuseFurtherComments();
this.vmAbsolute = vmAbsolute;
}
/** Get the minimum apparent visual magnitude.
* @return minimum apparent visual magnitude
*/
public double getVmApparentMin() {
return vmApparentMin;
}
/** Set the minimum apparent visual magnitude.
* @param vmApparentMin minimum apparent visual magnitude
*/
public void setVmApparentMin(final double vmApparentMin) {
refuseFurtherComments();
this.vmApparentMin = vmApparentMin;
}
/** Get the typical (50th percentile) apparent visual magnitude.
* @return typical (50th percentile) apparent visual magnitude
*/
public double getVmApparent() {
return vmApparent;
}
/** Set the typical (50th percentile) apparent visual magnitude.
* @param vmApparent typical (50th percentile) apparent visual magnitude
*/
public void setVmApparent(final double vmApparent) {
refuseFurtherComments();
this.vmApparent = vmApparent;
}
/** Get the maximum apparent visual magnitude.
* @return maximum apparent visual magnitude
*/
public double getVmApparentMax() {
return vmApparentMax;
}
/** Set the maximum apparent visual magnitude.
* @param vmApparentMax maximum apparent visual magnitude
*/
public void setVmApparentMax(final double vmApparentMax) {
refuseFurtherComments();
this.vmApparentMax = vmApparentMax;
}
/** Get the typical (50th percentile) coefficient of reflectance.
* @return typical (50th percentile) coefficient of reflectance
* @since 11.2
*/
public double getReflectance() {
return reflectance;
}
/** Set the typical (50th percentile) coefficient of reflectance.
* @param reflectance typical (50th percentile) coefficient of reflectance
* @since 11.2
*/
public void setReflectance(final double reflectance) {
refuseFurtherComments();
this.reflectance = reflectance;
}
/** Get the attitude control mode.
* @return attitude control mode
*/
public String getAttitudeControlMode() {
return attitudeControlMode;
}
/** Set the attitude control mode.
* @param attitudeControlMode attitude control mode
*/
public void setAttitudeControlMode(final String attitudeControlMode) {
refuseFurtherComments();
this.attitudeControlMode = attitudeControlMode;
}
/** Get the type of actuator for attitude control.
* @return type of actuator for attitude control
*/
public String getAttitudeActuatorType() {
return attitudeActuatorType;
}
/** Set the type of actuator for attitude control.
* @param attitudeActuatorType type of actuator for attitude control
*/
public void setAttitudeActuatorType(final String attitudeActuatorType) {
refuseFurtherComments();
this.attitudeActuatorType = attitudeActuatorType;
}
/** Get the accuracy of attitude knowledge.
* @return accuracy of attitude knowledge
*/
public double getAttitudeKnowledgeAccuracy() {
return attitudeKnowledgeAccuracy;
}
/** Set the accuracy of attitude knowledge.
* @param attitudeKnowledgeAccuracy accuracy of attitude knowledge
*/
public void setAttitudeKnowledgeAccuracy(final double attitudeKnowledgeAccuracy) {
refuseFurtherComments();
this.attitudeKnowledgeAccuracy = attitudeKnowledgeAccuracy;
}
/** Get the accuracy of attitude control.
* @return accuracy of attitude control
*/
public double getAttitudeControlAccuracy() {
return attitudeControlAccuracy;
}
/** Set the accuracy of attitude control.
* @param attitudeControlAccuracy accuracy of attitude control
*/
public void setAttitudeControlAccuracy(final double attitudeControlAccuracy) {
refuseFurtherComments();
this.attitudeControlAccuracy = attitudeControlAccuracy;
}
/** Get the overall accuracy of spacecraft to maintain attitude.
* @return overall accuracy of spacecraft to maintain attitude
*/
public double getAttitudePointingAccuracy() {
return attitudePointingAccuracy;
}
/** Set the overall accuracy of spacecraft to maintain attitude.
* @param attitudePointingAccuracy overall accuracy of spacecraft to maintain attitude
*/
public void setAttitudePointingAccuracy(final double attitudePointingAccuracy) {
refuseFurtherComments();
this.attitudePointingAccuracy = attitudePointingAccuracy;
}
/** Get the average number of orbit or attitude maneuvers per year.
* @return average number of orbit or attitude maneuvers per year.
*/
public double getManeuversPerYear() {
return maneuversFrequency * Constants.JULIAN_YEAR;
}
/** Get the average frequency of orbit or attitude maneuvers (in SI units, hence per second).
* @return average frequency of orbit or attitude maneuvers (in SI units, hence per second).
*/
public double getManeuversFrequency() {
return maneuversFrequency;
}
/** Set the average frequency of orbit or attitude maneuvers (in SI units, hence per second).
* @param maneuversFrequency average frequency of orbit or attitude (in SI units, hence per second).
*/
public void setManeuversFrequency(final double maneuversFrequency) {
refuseFurtherComments();
this.maneuversFrequency = maneuversFrequency;
}
/** Get the maximum composite thrust the spacecraft can accomplish.
* @return maximum composite thrust the spacecraft can accomplish
*/
public double getMaxThrust() {
return maxThrust;
}
/** Set the maximum composite thrust the spacecraft can accomplish.
* @param maxThrust maximum composite thrust the spacecraft can accomplish
*/
public void setMaxThrust(final double maxThrust) {
refuseFurtherComments();
this.maxThrust = maxThrust;
}
/** Get the total ΔV capability at beginning of life.
* @return total ΔV capability at beginning of life
*/
public double getBolDv() {
return bolDv;
}
/** Set the total ΔV capability at beginning of life.
* @param bolDv total ΔV capability at beginning of life
*/
public void setBolDv(final double bolDv) {
refuseFurtherComments();
this.bolDv = bolDv;
}
/** Get the total ΔV remaining for spacecraft.
* @return total ΔV remaining for spacecraft
*/
public double getRemainingDv() {
return remainingDv;
}
/** Set the total ΔV remaining for spacecraft.
* @param remainingDv total ΔV remaining for spacecraft
*/
public void setRemainingDv(final double remainingDv) {
refuseFurtherComments();
this.remainingDv = remainingDv;
}
/** Get the inertia matrix.
* @return the inertia matrix
*/
public RealMatrix getInertiaMatrix() {
return inertiaMatrix;
}
/** Set an entry in the inertia matrix.
* <p>
* Both I(j, k) and I(k, j) are set.
* </p>
* @param j row index (must be between 0 and 3 (inclusive)
* @param k column index (must be between 0 and 3 (inclusive)
* @param entry value of the matrix entry
*/
public void setInertiaMatrixEntry(final int j, final int k, final double entry) {
refuseFurtherComments();
inertiaMatrix.setEntry(j, k, entry);
inertiaMatrix.setEntry(k, j, entry);
}
}