diff --git a/src/main/java/org/orekit/rugged/adjustment/AdjustmentContext.java b/src/main/java/org/orekit/rugged/adjustment/AdjustmentContext.java
index 10deaa25f966206a2b363982d448e1419057d3b4..3ab99a86d555f60c9b03b6a182903556a26d399f 100644
--- a/src/main/java/org/orekit/rugged/adjustment/AdjustmentContext.java
+++ b/src/main/java/org/orekit/rugged/adjustment/AdjustmentContext.java
@@ -18,11 +18,13 @@ package org.orekit.rugged.adjustment;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.hipparchus.optim.nonlinear.vector.leastsquares.LeastSquaresOptimizer.Optimum;
+import org.hipparchus.optim.nonlinear.vector.leastsquares.LeastSquaresProblem;
import org.orekit.errors.OrekitException;
import org.orekit.errors.OrekitExceptionWrapper;
import org.orekit.rugged.api.Rugged;
@@ -55,7 +57,7 @@ public class AdjustmentContext {
* @param viewingModel viewingModel
* @param measures control and tie points
*/
- public AdjustmentContext(final List<Rugged> viewingModel, final Observables measures) {
+ public AdjustmentContext(final Collection<Rugged> viewingModel, final Observables measures) {
this.viewingModel = new HashMap<String, Rugged>();
for (final Rugged r : viewingModel) {
this.viewingModel.put(r.getName(), r);
@@ -110,9 +112,6 @@ public class AdjustmentContext {
* already aware of the updated parameters.
* </p>
*
- * @param references reference mappings between sensors pixels and ground
- * point that should ultimately be reached by adjusting selected
- * viewing models parameters
* @param maxEvaluations maximum number of evaluations
* @param parametersConvergenceThreshold convergence threshold on normalized
* parameters (dimensionless, related to parameters scales)
@@ -122,24 +121,40 @@ public class AdjustmentContext {
* if parameters cannot be estimated (too few measurements,
* ill-conditioned problem ...)
*/
- public Optimum estimateFreeParameters(final String ruggedName, final int maxEvaluations, final double parametersConvergenceThreshold)
+ public Optimum estimateFreeParameters(final Collection<String> ruggedNameList, final int maxEvaluations, final double parametersConvergenceThreshold)
throws RuggedException {
try {
- final Rugged rugged = this.viewingModel.get(ruggedName);
- if (rugged == null) {
- throw new RuggedException(RuggedMessages.INVALID_RUGGED_NAME);
- }
-
- final List<LineSensor> selectedSensors = new ArrayList<LineSensor>(rugged.getLineSensors());
+ List<Rugged> ruggedList = new ArrayList<Rugged>();
+ List<LineSensor> selectedSensors = new ArrayList<LineSensor>();
+ for (String ruggedName : ruggedNameList){
+ final Rugged rugged = this.viewingModel.get(ruggedName);
+ if (rugged == null) {
+ throw new RuggedException(RuggedMessages.INVALID_RUGGED_NAME);
+ }
- /** builder */
- final GroundOptimizationProblemBuilder optimizationProblem = new GroundOptimizationProblemBuilder(selectedSensors, measures, rugged);
+ ruggedList.add(rugged);
+ selectedSensors.addAll(rugged.getLineSensors());
+ }
final LeastSquareAdjuster adjuster = new LeastSquareAdjuster(this.optimizerID);
+ LeastSquaresProblem theProblem = null;
+ /** builder */
+ switch (ruggedList.size()) {
+ case 1:
+ final Rugged rugged = ruggedList.get(0);
+ final GroundOptimizationProblemBuilder groundOptimizationProblem = new GroundOptimizationProblemBuilder(selectedSensors, measures, rugged);
+ theProblem = groundOptimizationProblem.build(maxEvaluations, parametersConvergenceThreshold);
+ break;
+ case 2:
+ final InterSensorsOptimizationProblemBuilder interSensorsOptimizationProblem = new InterSensorsOptimizationProblemBuilder(selectedSensors, measures, ruggedList);
+ theProblem = interSensorsOptimizationProblem.build(maxEvaluations, parametersConvergenceThreshold);
+ break;
+ default :
+ throw new RuggedException(RuggedMessages.UNSUPPORTED_REFINING_CONTEXT,ruggedList.size());
+ }
- return adjuster.optimize(optimizationProblem.build(maxEvaluations, parametersConvergenceThreshold));
-
+ return adjuster.optimize(theProblem);
} catch (RuggedExceptionWrapper rew) {
throw rew.getException();
@@ -149,6 +164,4 @@ public class AdjustmentContext {
}
}
- /*public Optimum estimateFreeParameters(final String RuggedNameA, final String RuggedNameB, final int maxEvaluations, final float parametersConvergenceThreshold)*/
-
}
diff --git a/src/main/java/org/orekit/rugged/adjustment/GroundOptimizationProblemBuilder.java b/src/main/java/org/orekit/rugged/adjustment/GroundOptimizationProblemBuilder.java
index a116bd55fde70383b28d536726c423a955eaca69..4b5d763c44a14fff978553ee920b759656b0c4cc 100644
--- a/src/main/java/org/orekit/rugged/adjustment/GroundOptimizationProblemBuilder.java
+++ b/src/main/java/org/orekit/rugged/adjustment/GroundOptimizationProblemBuilder.java
@@ -47,6 +47,7 @@ extends OptimizationProblemBuilder {
/** maximum line for inverse location estimation.*/
private int maxLine;
+ /** target and weight (the solution of the optimization problem) */
private HashMap<String, double[] > targetAndWeight;
/**
@@ -60,14 +61,25 @@ extends OptimizationProblemBuilder {
throws RuggedException {
super(sensors, measures);
this.rugged = rugged;
+ this.initMapping();
+ }
+
+ /* (non-Javadoc)
+ * @see org.orekit.rugged.adjustment.OptimizationProblemBuilder#initMapping()
+ */
+ @Override
+ protected void initMapping()
+ {
+ final String ruggedName = rugged.getName();
this.sensorToGroundMappings = new ArrayList<SensorToGroundMapping>();
- for (Map.Entry<String, SensorToGroundMapping> entry : this.measures.getGroundMappings()) {
- this.sensorToGroundMappings.add(entry.getValue());
+ for (final LineSensor lineSensor : sensors)
+ {
+ final SensorToGroundMapping mapping = this.measures.getGroundMapping(ruggedName, lineSensor.getName());
+ if(mapping != null)
+ this.sensorToGroundMappings.add(mapping);
}
-
}
-
@Override
protected void createTargetAndWeight()
throws RuggedException {
diff --git a/src/main/java/org/orekit/rugged/adjustment/InterSensorsOptimizationProblemBuilder.java b/src/main/java/org/orekit/rugged/adjustment/InterSensorsOptimizationProblemBuilder.java
new file mode 100644
index 0000000000000000000000000000000000000000..bff043b05a3cf53441585020a4ff578e9e37891a
--- /dev/null
+++ b/src/main/java/org/orekit/rugged/adjustment/InterSensorsOptimizationProblemBuilder.java
@@ -0,0 +1,273 @@
+package org.orekit.rugged.adjustment;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.hipparchus.analysis.differentiation.DerivativeStructure;
+import org.hipparchus.linear.Array2DRowRealMatrix;
+import org.hipparchus.linear.ArrayRealVector;
+import org.hipparchus.linear.RealMatrix;
+import org.hipparchus.linear.RealVector;
+import org.hipparchus.optim.ConvergenceChecker;
+import org.hipparchus.optim.nonlinear.vector.leastsquares.LeastSquaresBuilder;
+import org.hipparchus.optim.nonlinear.vector.leastsquares.LeastSquaresProblem;
+import org.hipparchus.optim.nonlinear.vector.leastsquares.MultivariateJacobianFunction;
+import org.hipparchus.optim.nonlinear.vector.leastsquares.ParameterValidator;
+import org.hipparchus.util.Pair;
+import org.orekit.errors.OrekitException;
+import org.orekit.errors.OrekitExceptionWrapper;
+import org.orekit.rugged.api.Rugged;
+import org.orekit.rugged.errors.RuggedException;
+import org.orekit.rugged.errors.RuggedExceptionWrapper;
+import org.orekit.rugged.errors.RuggedMessages;
+import org.orekit.rugged.linesensor.LineSensor;
+import org.orekit.rugged.linesensor.SensorPixel;
+import org.orekit.rugged.refining.measures.Observables;
+import org.orekit.rugged.refining.measures.SensorToSensorMapping;
+import org.orekit.rugged.utils.SpacecraftToObservedBody;
+import org.orekit.time.AbsoluteDate;
+import org.orekit.utils.ParameterDriver;
+
+
+
+public class InterSensorsOptimizationProblemBuilder
+extends OptimizationProblemBuilder {
+
+ /** list of rugged instance to refine.*/
+ private Map<String, Rugged> ruggedMap;
+
+ /** sensorToGround mapping to generate target tab for optimization.*/
+ private List<SensorToSensorMapping> sensorToSensorMappings;
+
+
+ private HashMap<String, double[] > targetAndWeight;
+
+ /**
+ * @param sensors list of sensors to refine
+ * @param measures set of observables
+ * @param rugged name of rugged to refine
+ * @throws RuggedException an exception is generated if no parameters has been selected for refining
+ */
+ public InterSensorsOptimizationProblemBuilder(final List<LineSensor> sensors,
+ final Observables measures, final Collection<Rugged> ruggedList)
+ throws RuggedException {
+ super(sensors, measures);
+
+ this.ruggedMap = new LinkedHashMap<String, Rugged>();
+
+ for(final Rugged rugged : ruggedList)
+ {
+ this.ruggedMap.put(rugged.getName(),rugged);
+ }
+ this.initMapping();
+ }
+
+ /* (non-Javadoc)
+ * @see org.orekit.rugged.adjustment.OptimizationProblemBuilder#initMapping()
+ */
+ @Override
+ protected void initMapping()
+ {
+ this.sensorToSensorMappings = new ArrayList<SensorToSensorMapping>();
+ for (final String ruggedNameA : this.ruggedMap.keySet()){
+ for (final String ruggedNameB : this.ruggedMap.keySet()){
+ for (final LineSensor sensorA : this.sensors){
+ for (final LineSensor sensorB : this.sensors){
+ final String sensorNameA = sensorA.getName();
+ final String sensorNameB = sensorB.getName();
+ final SensorToSensorMapping mapping = this.measures.getInterMapping(ruggedNameA, sensorNameA, ruggedNameB, sensorNameB);
+ if (mapping != null)
+ {
+
+ this.sensorToSensorMappings.add(mapping);
+ }
+ }
+ }
+
+ }
+
+ }
+
+ }
+
+ @Override
+ protected void createTargetAndWeight()
+ throws RuggedException {
+ try {
+ int n = 0;
+ for (final SensorToSensorMapping reference : this.sensorToSensorMappings) {
+ n += reference.getMapping().size();
+ }
+
+ if (n == 0) {
+ throw new RuggedException(RuggedMessages.NO_REFERENCE_MAPPINGS);
+ }
+
+ n = 2*n ;
+
+ final double[] target = new double[n];
+ final double[] weight = new double[n];
+
+ int k = 0;
+
+ for (final SensorToSensorMapping reference : this.sensorToSensorMappings) {
+
+ // Get Earth constraint weight
+ final double earthConstraintWeight = reference.getEarthConstraintWeight();
+ int i=0;
+ for (Iterator<Map.Entry<SensorPixel, SensorPixel>> gtIt = reference.getMapping().iterator();gtIt.hasNext();i++){
+ if(i==reference.getMapping().size()) break;
+
+ // Get LOS distance
+ Double losDistance = reference.getLosDistance(i);
+
+ weight[k] = 1.0 - earthConstraintWeight;
+ target[k++] = losDistance.doubleValue();
+
+ // Get Earth distance (constraint)
+ Double earthDistance = reference.getEarthDistance(i);
+ weight[k] = earthConstraintWeight;
+ target[k++] = earthDistance.doubleValue();
+ }
+ }
+
+ this.targetAndWeight = new HashMap<String, double[]>();
+ this.targetAndWeight.put("Target", target);
+ this.targetAndWeight.put("Weight", weight);
+
+ } catch (RuggedExceptionWrapper rew) {
+ throw rew.getException();
+ }
+ }
+
+ @Override
+ protected MultivariateJacobianFunction createFunction()
+ {
+ // model function
+ final MultivariateJacobianFunction model = point -> {
+
+ try {
+
+ // set the current parameters values
+ int i = 0;
+ for (final ParameterDriver driver : this.drivers.getDrivers()) {
+ driver.setNormalizedValue(point.getEntry(i++));
+
+ }
+
+ final double[] target = this.targetAndWeight.get("Target");
+
+ // compute distance and its partial derivatives
+ final RealVector value = new ArrayRealVector(target.length);
+ final RealMatrix jacobian = new Array2DRowRealMatrix(target.length, this.nbParams);
+
+ int l = 0;
+ for (final SensorToSensorMapping reference : this.sensorToSensorMappings) {
+
+
+ final String ruggedNameA = reference.getRuggedNameA();
+ final String ruggedNameB = reference.getRuggedNameB();
+ final Rugged ruggedA = this.ruggedMap.get(ruggedNameA);
+
+ if (ruggedA == null) {
+ throw new RuggedException(RuggedMessages.INVALID_RUGGED_NAME);
+ }
+ final Rugged ruggedB = this.ruggedMap.get(ruggedNameB);
+ if (ruggedB == null) {
+ throw new RuggedException(RuggedMessages.INVALID_RUGGED_NAME);
+ }
+
+
+ for (final Map.Entry<SensorPixel, SensorPixel> mapping : reference.getMapping()) {
+
+ final SensorPixel spA = mapping.getKey();
+ final SensorPixel spB = mapping.getValue();
+
+ LineSensor lineSensorB = ruggedB.getLineSensor(reference.getSensorNameB());
+ LineSensor lineSensorA = ruggedA.getLineSensor(reference.getSensorNameA());
+
+ final AbsoluteDate dateA = lineSensorA.getDate(spA.getLineNumber());
+ final AbsoluteDate dateB = lineSensorB.getDate(spB.getLineNumber());
+
+ final double pixelA = spA.getPixelNumber();
+ final double pixelB = spB.getPixelNumber();
+
+ final SpacecraftToObservedBody scToBodyA = ruggedA.getScToBody();
+
+ final DerivativeStructure[] ilResult = ruggedB.distanceBetweenLOSDerivatives(lineSensorA,
+ dateA,
+ pixelA,
+ scToBodyA,
+ lineSensorB,
+ dateB,
+ pixelB,
+ generator);
+
+ if (ilResult == null) {
+ // TODO
+ } else {
+
+ // extract the value
+ value.setEntry(l, ilResult[0].getValue());
+ value.setEntry(l + 1, ilResult[1].getValue());
+
+ // extract the Jacobian
+ final int[] orders = new int[this.nbParams];
+ int m = 0;
+
+ for (final ParameterDriver driver : this.drivers.getDrivers()) {
+ final double scale = driver.getScale();
+ orders[m] = 1;
+ jacobian.setEntry(l, m, ilResult[0].getPartialDerivative(orders) * scale);
+ jacobian.setEntry(l + 1, m, ilResult[1].getPartialDerivative(orders) * scale);
+ orders[m] = 0;
+ m++;
+ }
+ }
+
+ l += 2; // pass to the next evaluation
+ }
+ }
+
+ // distance result with Jacobian for all reference points
+ return new Pair<RealVector, RealMatrix>(value, jacobian);
+
+ } catch (RuggedException re) {
+ throw new RuggedExceptionWrapper(re);
+ } catch (OrekitException oe) {
+ throw new OrekitExceptionWrapper(oe);
+ }
+ };
+
+ return model;
+ }
+
+
+ /** leastsquare problem builder.
+ * @param maxEvaluations maxIterations and evaluations
+ * @param convergenceThreshold parameter convergence threshold
+ * @throws RuggedException if sensor is not found
+ * @return
+ */
+ @Override
+ public final LeastSquaresProblem build(final int maxEvaluations, final double convergenceThreshold) throws RuggedException {
+
+ this.createTargetAndWeight();
+ final double[] target = this.targetAndWeight.get("Target");
+ final double[] start = this.createStartTab();
+ final ParameterValidator validator = this.createParameterValidator();
+ final ConvergenceChecker<LeastSquaresProblem.Evaluation> checker = this.createChecker(convergenceThreshold);
+ final MultivariateJacobianFunction model = this.createFunction();
+ return new LeastSquaresBuilder()
+ .lazyEvaluation(false).maxIterations(maxEvaluations)
+ .maxEvaluations(maxEvaluations).weight(null).start(start)
+ .target(target).parameterValidator(validator).checker(checker)
+ .model(model).build();
+ }
+
+}
diff --git a/src/main/java/org/orekit/rugged/adjustment/OptimizationProblemBuilder.java b/src/main/java/org/orekit/rugged/adjustment/OptimizationProblemBuilder.java
index bab37effaf84ce5c5d123e43d747d0d11ccc2ae7..7669c75d6e08965ff1fa2baf4d0311dc746df349 100644
--- a/src/main/java/org/orekit/rugged/adjustment/OptimizationProblemBuilder.java
+++ b/src/main/java/org/orekit/rugged/adjustment/OptimizationProblemBuilder.java
@@ -57,6 +57,7 @@ abstract class OptimizationProblemBuilder {
/** measures .*/
protected Observables measures;
+ protected final List<LineSensor> sensors;
/** OptimizationProblemBuilder constructor
* @param sensors
@@ -78,6 +79,7 @@ abstract class OptimizationProblemBuilder {
}
this.measures = measures;
+ this.sensors = sensors;
}
/** nbParams getter.
@@ -151,7 +153,8 @@ abstract class OptimizationProblemBuilder {
protected abstract MultivariateJacobianFunction createFunction();
-
+ /** parse the observables to select mapping .*/
+ protected abstract void initMapping();
/**
* create parameter validator.
diff --git a/src/main/java/org/orekit/rugged/api/Rugged.java b/src/main/java/org/orekit/rugged/api/Rugged.java
index df4fa50609b609e693b46ea937eaa96f44b075aa..019451c7cf80e38c1d55f7a2c4ee6a76e5bb545d 100644
--- a/src/main/java/org/orekit/rugged/api/Rugged.java
+++ b/src/main/java/org/orekit/rugged/api/Rugged.java
@@ -849,7 +849,7 @@ public class Rugged {
* @see #distanceBetweenLOS(String, AbsoluteDate, int, String, AbsoluteDate,
* int)
*/
- private DerivativeStructure[]
+ public DerivativeStructure[]
distanceBetweenLOSDerivatives(final LineSensor sensorA,
final AbsoluteDate dateA,
final double pixelA,
diff --git a/src/main/java/org/orekit/rugged/errors/RuggedMessages.java b/src/main/java/org/orekit/rugged/errors/RuggedMessages.java
index e4687f4f3bf678febaab670069148e14aa1628ae..10bf1b9aad57f17e8874c83df6ef4449e8e53030 100644
--- a/src/main/java/org/orekit/rugged/errors/RuggedMessages.java
+++ b/src/main/java/org/orekit/rugged/errors/RuggedMessages.java
@@ -80,7 +80,8 @@ public enum RuggedMessages implements Localizable {
NO_PARAMETERS_SELECTED("no parameters have been selected for estimation"),
NO_REFERENCE_MAPPINGS("no reference mappings for parameters estimation"),
DUPLICATED_PARAMETER_NAME("a different parameter with name {0} already exists"),
- INVALID_RUGGED_NAME("invalid rugged name.");
+ INVALID_RUGGED_NAME("invalid rugged name."),
+ UNSUPPORTED_REFINING_CONTEXT("refining using {0} rugged instance is not handled.");
// CHECKSTYLE: resume JavadocVariable check
diff --git a/src/main/java/org/orekit/rugged/refining/generators/GroundMeasureGenerator.java b/src/main/java/org/orekit/rugged/refining/generators/GroundMeasureGenerator.java
index a673df2dc1a4d9ffa72aca8c329836d7a802f017..deef2691be994de1bdfcb33c48664a5fa33ae58e 100644
--- a/src/main/java/org/orekit/rugged/refining/generators/GroundMeasureGenerator.java
+++ b/src/main/java/org/orekit/rugged/refining/generators/GroundMeasureGenerator.java
@@ -16,23 +16,22 @@
*/
package org.orekit.rugged.refining.generators;
+import org.hipparchus.geometry.euclidean.threed.Vector3D;
+import org.hipparchus.random.GaussianRandomGenerator;
+import org.hipparchus.random.UncorrelatedRandomVectorGenerator;
+import org.hipparchus.random.Well19937a;
+import org.hipparchus.util.FastMath;
import org.orekit.bodies.GeodeticPoint;
import org.orekit.rugged.api.Rugged;
import org.orekit.rugged.errors.RuggedException;
import org.orekit.rugged.linesensor.LineSensor;
import org.orekit.rugged.linesensor.SensorPixel;
import org.orekit.rugged.refining.measures.Noise;
+import org.orekit.rugged.refining.measures.Observables;
import org.orekit.rugged.refining.measures.SensorToGroundMapping;
import org.orekit.rugged.refining.metrics.DistanceTools;
-
import org.orekit.time.AbsoluteDate;
-import org.hipparchus.geometry.euclidean.threed.Vector3D;
-import org.hipparchus.random.UncorrelatedRandomVectorGenerator;
-import org.hipparchus.random.GaussianRandomGenerator;
-import org.hipparchus.random.Well19937a;
-import org.hipparchus.util.FastMath;
-
/** Ground measures generator (sensor to ground mapping).
@@ -45,14 +44,17 @@ public class GroundMeasureGenerator implements Measurable {
/** mapping */
private SensorToGroundMapping groundMapping;
+ /** observables which contains ground mapping.*/
+ private Observables observables;
+
private Rugged rugged;
-
+
private LineSensor sensor;
private int measureCount;
-
+
private int dimension;
-
+
/** Simple constructor.
* <p>
*
@@ -60,112 +62,129 @@ public class GroundMeasureGenerator implements Measurable {
*/
public GroundMeasureGenerator(final Rugged rugged, final String sensorName, final int dimension) throws RuggedException
{
-
- // generate reference mapping
- groundMapping = new SensorToGroundMapping(sensorName);
- this.rugged = rugged;
- sensor = rugged.getLineSensor(groundMapping.getSensorName());
- measureCount = 0;
- this.dimension = dimension;
-
+
+ // generate reference mapping
+ groundMapping = new SensorToGroundMapping(rugged.getName(), sensorName);
+
+ //create observables for one model
+ this.observables = new Observables(1);
+
+ this.rugged = rugged;
+ sensor = rugged.getLineSensor(groundMapping.getSensorName());
+ measureCount = 0;
+ this.dimension = dimension;
+
}
public SensorToGroundMapping getGroundMapping() {
- return groundMapping;
+ return groundMapping;
}
+
+ /** getter for observables.
+ * @return the observables
+ */
+ public Observables getObservables() {
+ return observables;
+ }
+
+ @Override
public int getMeasureCount() {
- return measureCount;
- }
+ return measureCount;
+ }
+ @Override
public void createMeasure(final int lineSampling,final int pixelSampling) throws RuggedException
{
for (double line = 0; line < dimension; line += lineSampling) {
- final AbsoluteDate date = sensor.getDate(line);
- for (int pixel = 0; pixel < sensor.getNbPixels(); pixel += pixelSampling) {
+ final AbsoluteDate date = sensor.getDate(line);
+ for (int pixel = 0; pixel < sensor.getNbPixels(); pixel += pixelSampling) {
- final GeodeticPoint gp2 = rugged.directLocation(date, sensor.getPosition(),
- sensor.getLOS(date, pixel));
+ final GeodeticPoint gp2 = rugged.directLocation(date, sensor.getPosition(),
+ sensor.getLOS(date, pixel));
- groundMapping.addMapping(new SensorPixel(line, pixel), gp2);
- measureCount++;
- }
+ groundMapping.addMapping(new SensorPixel(line, pixel), gp2);
+ measureCount++;
+ }
}
+ this.observables.addGroundMapping(groundMapping);
}
+ @Override
public void createNoisyMeasure(final int lineSampling,final int pixelSampling, final Noise noise) throws RuggedException
{
/* Estimate latitude and longitude errors estimation */
- final Vector3D latLongError = estimateLatLongError();
-
- /* Get noise features */
- final double[] mean = noise.getMean(); /* [latitude, longitude, altitude] mean */
- final double[] std = noise.getStandardDeviation(); /* [latitude, longitude, altitude] standard deviation */
-
- final double latErrorMean = mean[0] * latLongError.getX(); // in line: -0.000002 deg
- final double lonErrorMean = mean[1] * latLongError.getY(); // in line: 0.000012 deg
- final double latErrorStd = std[0] * latLongError.getX(); // in line: -0.000002 deg
- final double lonErrorStd = std[1] * latLongError.getY(); // in line: 0.000012 deg
-
- // Gaussian random generator
- // Build a null mean random uncorrelated vector generator with standard deviation corresponding to the estimated error on ground
- final double meanGenerator[] = {latErrorMean, lonErrorMean, mean[2]};
- final double stdGenerator[] = {latErrorStd, lonErrorStd, std[2]};
- System.out.format("Corresponding error estimation on ground {Latitude, Longitude, Altitude}:%n");
+ final Vector3D latLongError = estimateLatLongError();
+
+ /* Get noise features */
+ final double[] mean = noise.getMean(); /* [latitude, longitude, altitude] mean */
+ final double[] std = noise.getStandardDeviation(); /* [latitude, longitude, altitude] standard deviation */
+
+ final double latErrorMean = mean[0] * latLongError.getX(); // in line: -0.000002 deg
+ final double lonErrorMean = mean[1] * latLongError.getY(); // in line: 0.000012 deg
+ final double latErrorStd = std[0] * latLongError.getX(); // in line: -0.000002 deg
+ final double lonErrorStd = std[1] * latLongError.getY(); // in line: 0.000012 deg
+
+ // Gaussian random generator
+ // Build a null mean random uncorrelated vector generator with standard deviation corresponding to the estimated error on ground
+ final double meanGenerator[] = {latErrorMean, lonErrorMean, mean[2]};
+ final double stdGenerator[] = {latErrorStd, lonErrorStd, std[2]};
+ System.out.format("Corresponding error estimation on ground {Latitude, Longitude, Altitude}:%n");
System.out.format("\tMean: {%1.10f rad, %1.10f rad, %1.10f m} %n", meanGenerator[0], meanGenerator[1], meanGenerator[2]);
System.out.format("\tStd : {%1.10f rad, %1.10f rad, %1.10f m} %n", stdGenerator[0], stdGenerator[1], stdGenerator[2]);
- final GaussianRandomGenerator rng = new GaussianRandomGenerator(new Well19937a(0xefac03d9be4d24b9l));
- final UncorrelatedRandomVectorGenerator rvg = new UncorrelatedRandomVectorGenerator(meanGenerator, stdGenerator, rng);
-
- System.out.format("Add a gaussian noise to measures without biais (null mean) and standard deviation%n corresponding to the estimated error on ground.%n");
- for (double line = 0; line < dimension; line += lineSampling) {
-
- final AbsoluteDate date = sensor.getDate(line);
- for (int pixel = 0; pixel < sensor.getNbPixels(); pixel += pixelSampling) {
-
- // Components of generated vector follow (independent) Gaussian distribution
- final Vector3D vecRandom = new Vector3D(rvg.nextVector());
-
- final GeodeticPoint gp2 = rugged.directLocation(date, sensor.getPosition(),
- sensor.getLOS(date, pixel));
-
-
- final GeodeticPoint gpNoisy = new GeodeticPoint(gp2.getLatitude()+vecRandom.getX(),
- gp2.getLongitude()+vecRandom.getY(),
- gp2.getAltitude()+vecRandom.getZ());
-
- //if(line == 0) {
- // System.out.format("Init gp: (%f,%d): %s %n",line,pixel,gp2.toString());
- // System.out.format("Random: (%f,%d): %s %n",line,pixel,vecRandom.toString());
- // System.out.format("Final gp: (%f,%d): %s %n",line,pixel,gpNoisy.toString());
- //}
-
- groundMapping.addMapping(new SensorPixel(line, pixel), gpNoisy);
- measureCount++;
- }
+ final GaussianRandomGenerator rng = new GaussianRandomGenerator(new Well19937a(0xefac03d9be4d24b9l));
+ final UncorrelatedRandomVectorGenerator rvg = new UncorrelatedRandomVectorGenerator(meanGenerator, stdGenerator, rng);
+
+ System.out.format("Add a gaussian noise to measures without biais (null mean) and standard deviation%n corresponding to the estimated error on ground.%n");
+ for (double line = 0; line < dimension; line += lineSampling) {
+
+ final AbsoluteDate date = sensor.getDate(line);
+ for (int pixel = 0; pixel < sensor.getNbPixels(); pixel += pixelSampling) {
+
+ // Components of generated vector follow (independent) Gaussian distribution
+ final Vector3D vecRandom = new Vector3D(rvg.nextVector());
+
+ final GeodeticPoint gp2 = rugged.directLocation(date, sensor.getPosition(),
+ sensor.getLOS(date, pixel));
+
+
+ final GeodeticPoint gpNoisy = new GeodeticPoint(gp2.getLatitude()+vecRandom.getX(),
+ gp2.getLongitude()+vecRandom.getY(),
+ gp2.getAltitude()+vecRandom.getZ());
+
+ //if(line == 0) {
+ // System.out.format("Init gp: (%f,%d): %s %n",line,pixel,gp2.toString());
+ // System.out.format("Random: (%f,%d): %s %n",line,pixel,vecRandom.toString());
+ // System.out.format("Final gp: (%f,%d): %s %n",line,pixel,gpNoisy.toString());
+ //}
+
+ groundMapping.addMapping(new SensorPixel(line, pixel), gpNoisy);
+ measureCount++;
+ }
}
+ this.observables.addGroundMapping(groundMapping);
}
private Vector3D estimateLatLongError() throws RuggedException {
-
- System.out.format("Uncertainty in pixel (in line) for a real geometric refining: 1 pixel (assumption)%n");
- final int pix =sensor.getNbPixels()/2;
- final int line= (int) FastMath.floor(pix); // assumption : same number of line and pixels;
- System.out.format("Pixel size estimated at position pix: %d line: %d %n", pix, line);
- final AbsoluteDate date = sensor.getDate(line);
- final GeodeticPoint gp_pix0 = rugged.directLocation(date, sensor.getPosition(), sensor.getLOS(date, pix));
- final AbsoluteDate date1 = sensor.getDate(line+1);
- final GeodeticPoint gp_pix1 = rugged.directLocation(date1, sensor.getPosition(), sensor.getLOS(date1, pix+1));
- final double latErr = FastMath.abs(gp_pix0.getLatitude() - gp_pix1.getLatitude());
- final double lonErr = FastMath.abs(gp_pix0.getLongitude() - gp_pix1.getLongitude());
- //double dist = FastMath.sqrt(lonErr*lonErr + latErr*latErr)/FastMath.sqrt(2);
- final double distanceX = DistanceTools.computeDistanceInMeter(gp_pix0.getLongitude(), gp_pix0.getLatitude(),gp_pix1.getLongitude(), gp_pix0.getLatitude());
- final double distanceY = DistanceTools.computeDistanceInMeter(gp_pix0.getLongitude(), gp_pix0.getLatitude(),gp_pix0.getLongitude(), gp_pix1.getLatitude());
-
- System.out.format("Estimated distance: X %3.3f Y %3.3f %n",distanceX, distanceY);
-
- //System.out.format(" lat : %1.10f %1.10f %n", latErr, lonErr);
- return new Vector3D(latErr, lonErr, 0.0);
+
+ System.out.format("Uncertainty in pixel (in line) for a real geometric refining: 1 pixel (assumption)%n");
+ final int pix =sensor.getNbPixels()/2;
+ final int line= (int) FastMath.floor(pix); // assumption : same number of line and pixels;
+ System.out.format("Pixel size estimated at position pix: %d line: %d %n", pix, line);
+ final AbsoluteDate date = sensor.getDate(line);
+ final GeodeticPoint gp_pix0 = rugged.directLocation(date, sensor.getPosition(), sensor.getLOS(date, pix));
+ final AbsoluteDate date1 = sensor.getDate(line+1);
+ final GeodeticPoint gp_pix1 = rugged.directLocation(date1, sensor.getPosition(), sensor.getLOS(date1, pix+1));
+ final double latErr = FastMath.abs(gp_pix0.getLatitude() - gp_pix1.getLatitude());
+ final double lonErr = FastMath.abs(gp_pix0.getLongitude() - gp_pix1.getLongitude());
+ //double dist = FastMath.sqrt(lonErr*lonErr + latErr*latErr)/FastMath.sqrt(2);
+ final double distanceX = DistanceTools.computeDistanceInMeter(gp_pix0.getLongitude(), gp_pix0.getLatitude(),gp_pix1.getLongitude(), gp_pix0.getLatitude());
+ final double distanceY = DistanceTools.computeDistanceInMeter(gp_pix0.getLongitude(), gp_pix0.getLatitude(),gp_pix0.getLongitude(), gp_pix1.getLatitude());
+
+ System.out.format("Estimated distance: X %3.3f Y %3.3f %n",distanceX, distanceY);
+
+ //System.out.format(" lat : %1.10f %1.10f %n", latErr, lonErr);
+ return new Vector3D(latErr, lonErr, 0.0);
}
}
diff --git a/src/main/java/org/orekit/rugged/refining/generators/InterMeasureGenerator.java b/src/main/java/org/orekit/rugged/refining/generators/InterMeasureGenerator.java
index f366c5eb88e61d8d1085307666079dc5e14fb2cd..f6ee7b8c88c3a26dca17843498607615bd99b984 100644
--- a/src/main/java/org/orekit/rugged/refining/generators/InterMeasureGenerator.java
+++ b/src/main/java/org/orekit/rugged/refining/generators/InterMeasureGenerator.java
@@ -13,6 +13,9 @@
*/
package org.orekit.rugged.refining.generators;
+import org.hipparchus.random.GaussianRandomGenerator;
+import org.hipparchus.random.UncorrelatedRandomVectorGenerator;
+import org.hipparchus.random.Well19937a;
import org.orekit.bodies.GeodeticPoint;
import org.orekit.rugged.api.Rugged;
import org.orekit.rugged.errors.RuggedException;
@@ -21,16 +24,12 @@ import org.orekit.rugged.errors.RuggedMessages;
import org.orekit.rugged.linesensor.LineSensor;
import org.orekit.rugged.linesensor.SensorPixel;
import org.orekit.rugged.refining.measures.Noise;
+import org.orekit.rugged.refining.measures.Observables;
import org.orekit.rugged.refining.measures.SensorToSensorMapping;
import org.orekit.rugged.refining.metrics.DistanceTools;
import org.orekit.rugged.utils.SpacecraftToObservedBody;
-
import org.orekit.time.AbsoluteDate;
-import org.hipparchus.random.UncorrelatedRandomVectorGenerator;
-import org.hipparchus.random.GaussianRandomGenerator;
-import org.hipparchus.random.Well19937a;
-
/**
* Inter-measures generator (sensor to sensor mapping).
* @author Jonathan Guinet
@@ -41,6 +40,9 @@ public class InterMeasureGenerator implements Measurable {
/** mapping. */
private SensorToSensorMapping interMapping;
+ /** observables which contains sensor to sensor mapping.*/
+ private Observables observables;
+
private Rugged ruggedA;
private Rugged ruggedB;
@@ -54,15 +56,15 @@ public class InterMeasureGenerator implements Measurable {
private String sensorNameA;
private String sensorNameB;
-
+
private int dimensionA;
-
+
private int dimensionB;
-
+
private double outlier=0.0;
-
- /** Default constructor: measures generation without outlier points control
+
+ /** Default constructor: measures generation without outlier points control
* and without Earth distance constraint.
* @param viewingModelA
* @param ruggedA
@@ -70,9 +72,9 @@ public class InterMeasureGenerator implements Measurable {
* @param ruggedB
* @throws RuggedException
*/
- public InterMeasureGenerator(Rugged ruggedA, String sensorNameA, int dimensionA,
+ public InterMeasureGenerator(Rugged ruggedA, String sensorNameA, int dimensionA,
Rugged ruggedB, String sensorNameB, int dimensionB)
- throws RuggedException {
+ throws RuggedException {
// Initialize parameters
this.initParams(ruggedA, sensorNameA, dimensionA, ruggedB, sensorNameB, dimensionB);
@@ -80,11 +82,13 @@ public class InterMeasureGenerator implements Measurable {
// generate reference mapping, without Earth distance constraint
interMapping = new SensorToSensorMapping(sensorNameA, sensorNameB);
+ //create observables for two models
+ this.observables = new Observables(2);
}
-
-
+
+
/** Constructor for measures generation taking into account outlier points control,
- * without Earth distance constraint.
+ * without Earth distance constraint.
* @param viewingModelA viewing model A
* @param ruggedA Rugged instance corresponding to the viewing model A
* @param viewingModelB viewing model B
@@ -92,143 +96,154 @@ public class InterMeasureGenerator implements Measurable {
* @param outlier limit value of outlier points
* @throws RuggedException
*/
- public InterMeasureGenerator(Rugged ruggedA, String sensorNameA, int dimensionA,
+ public InterMeasureGenerator(Rugged ruggedA, String sensorNameA, int dimensionA,
Rugged ruggedB, String sensorNameB, int dimensionB, double outlier)
- throws RuggedException {
+ throws RuggedException {
this(ruggedA, sensorNameA, dimensionA, ruggedB, sensorNameB, dimensionB);
this.outlier = outlier;
}
-
+
/** Constructor for measures generation taking into account outlier points control,
- * and Earth distance constraint.
+ * and Earth distance constraint.
* @param viewingModelA viewing model A
* @param ruggedA Rugged instance corresponding to the viewing model A
* @param viewingModelB viewing model B
* @param ruggedB Rugged instance corresponding to the viewing model B
* @param outlier limit value of outlier points
- * @param earthConstraintWeight weight given to the Earth distance constraint
+ * @param earthConstraintWeight weight given to the Earth distance constraint
* with respect to the LOS distance (between 0 and 1).
* @throws RuggedException
* @see Rugged#estimateFreeParams2Models
*/
- public InterMeasureGenerator(Rugged ruggedA, String sensorNameA, int dimensionA,
- Rugged ruggedB, String sensorNameB, int dimensionB,
+ public InterMeasureGenerator(Rugged ruggedA, String sensorNameA, int dimensionA,
+ Rugged ruggedB, String sensorNameB, int dimensionB,
double outlier, final double earthConstraintWeight)
- throws RuggedException {
+ throws RuggedException {
- // Initialize parameters
+ // Initialize parameters
this.initParams(ruggedA, sensorNameA, dimensionA, ruggedB, sensorNameB, dimensionB);
// generate reference mapping, with Earth distance constraints
// Weighting will be applied as follow :
// (1-earthConstraintWeight) for losDistance weighting
// earthConstraintWeight for earthDistance weighting
- interMapping = new SensorToSensorMapping(sensorNameA, sensorNameB, earthConstraintWeight);
+ interMapping = new SensorToSensorMapping(sensorNameA, ruggedA.getName(), sensorNameB, ruggedB.getName(), earthConstraintWeight);
// outlier points control
this.outlier = outlier;
+ this.observables = new Observables(2);
+
}
public SensorToSensorMapping getInterMapping() {
return interMapping;
}
+
+ /** getter for observables.
+ * @return the observables
+ */
+ public Observables getObservables() {
+ return observables;
+ }
+
+ @Override
public int getMeasureCount() {
return measureCount;
}
+ @Override
public void createMeasure(final int lineSampling, final int pixelSampling) throws RuggedException {
- // Get outlier
- double outlier = this.outlier;
-
+
// Search the sensor pixel seeing point
final int minLine = 0;
final int maxLine = dimensionB - 1;
-
+
for (double line = 0; line < dimensionA; line += lineSampling) {
- AbsoluteDate dateA = sensorA.getDate(line);
-
+ final AbsoluteDate dateA = sensorA.getDate(line);
+
for (double pixelA = 0; pixelA < sensorA.getNbPixels(); pixelA += pixelSampling) {
- GeodeticPoint gpA = ruggedA.directLocation(dateA, sensorA.getPosition(),
- sensorA.getLOS(dateA, pixelA));
+ final GeodeticPoint gpA = ruggedA.directLocation(dateA, sensorA.getPosition(),
+ sensorA.getLOS(dateA, pixelA));
- SensorPixel sensorPixelB = ruggedB.inverseLocation(sensorNameB, gpA, minLine, maxLine);
+ final SensorPixel sensorPixelB = ruggedB.inverseLocation(sensorNameB, gpA, minLine, maxLine);
// we need to test if the sensor pixel is found in the
// prescribed lines otherwise the sensor pixel is null
if (sensorPixelB != null) {
final AbsoluteDate dateB = sensorB.getDate(sensorPixelB.getLineNumber());
- double pixelB = sensorPixelB.getPixelNumber();
+ final double pixelB = sensorPixelB.getPixelNumber();
final SpacecraftToObservedBody scToBodyA = ruggedA.getScToBody();
-
- GeodeticPoint gpB = ruggedB.directLocation(dateB, sensorB.getPosition(),
- sensorB.getLOS(dateB, pixelB));
-
- double GEOdistance = DistanceTools.computeDistanceInMeter(gpA.getLongitude(), gpA.getLatitude(),
- gpB.getLongitude(), gpB.getLatitude());
- if(GEOdistance < outlier)
+ final GeodeticPoint gpB = ruggedB.directLocation(dateB, sensorB.getPosition(),
+ sensorB.getLOS(dateB, pixelB));
+
+ final double GEOdistance = DistanceTools.computeDistanceInMeter(gpA.getLongitude(), gpA.getLatitude(),
+ gpB.getLongitude(), gpB.getLatitude());
+
+ if (GEOdistance < this.outlier)
{
- /*System.out.format("A line %2.3f pixel %2.3f %n", line, pixelA);*/
-
- SensorPixel RealPixelA = new SensorPixel(line, pixelA);
-
- SensorPixel RealPixelB = new SensorPixel(sensorPixelB.getLineNumber(),
- sensorPixelB.getPixelNumber());
-
- AbsoluteDate RealDateA = sensorA.getDate(RealPixelA.getLineNumber());
- AbsoluteDate RealDateB = sensorB.getDate(RealPixelB.getLineNumber());
- double[] distanceLOSB = ruggedB.distanceBetweenLOS(sensorA, RealDateA, RealPixelA.getPixelNumber(), scToBodyA,
- sensorB, RealDateB, RealPixelB.getPixelNumber());
-
- final double losDistance = distanceLOSB[1];
- final double earthDistance = 0.0;
-
- interMapping.addMapping(RealPixelA, RealPixelB, losDistance, earthDistance);
- measureCount++;
+ /*System.out.format("A line %2.3f pixel %2.3f %n", line, pixelA);*/
+
+ final SensorPixel RealPixelA = new SensorPixel(line, pixelA);
+
+ final SensorPixel RealPixelB = new SensorPixel(sensorPixelB.getLineNumber(),
+ sensorPixelB.getPixelNumber());
+
+ final AbsoluteDate RealDateA = sensorA.getDate(RealPixelA.getLineNumber());
+ final AbsoluteDate RealDateB = sensorB.getDate(RealPixelB.getLineNumber());
+ final double[] distanceLOSB = ruggedB.distanceBetweenLOS(sensorA, RealDateA, RealPixelA.getPixelNumber(), scToBodyA,
+ sensorB, RealDateB, RealPixelB.getPixelNumber());
+
+
+ final double losDistance = 0.0;
+ final double earthDistance = distanceLOSB[1];
+
+ interMapping.addMapping(RealPixelA, RealPixelB, losDistance, earthDistance);
+ measureCount++;
}
else
{
/*System.out.format("A line %2.3f pixel %2.3f %n rejected ", line, pixelA);*/
}
- }
+ }
}
}
+ this.observables.addInterMapping(interMapping);
}
- /**
- * tie point creation from directLocation with RuggedA and inverse location
+ /** tie point creation from directLocation with RuggedA and inverse location.
* with RuggedB
* @param lineSampling sampling along lines
* @param pixelSampling sampling along columns
* @param noise error tabulation
* @throws RuggedException
*/
+ @Override
public void createNoisyMeasure(final int lineSampling, final int pixelSampling, final Noise noise)
- throws RuggedException {
-
+ throws RuggedException {
+
// Get outlier
double outlier = this.outlier;
-
+
/* Get noise features (errors) */
final double[] mean = noise.getMean(); /* [pixelA, pixelB] mean */
final double[] std = noise.getStandardDeviation(); /* [pixelA, pixelB] standard deviation */
-
-
+
// Search the sensor pixel seeing point
final int minLine = 0;
final int maxLine = dimensionB - 1;
-
+
double meanA[] = {mean[0],mean[0]};
double stdA[] = {std[0],std[0]};
double meanB[] = {mean[1],mean[1]};
- double stdB[] = {std[1],std[1]};
+ double stdB[] = {std[1],std[1]};
GaussianRandomGenerator rngA = new GaussianRandomGenerator(new Well19937a(0xefac03d9be4d24b9l));
UncorrelatedRandomVectorGenerator rvgA = new UncorrelatedRandomVectorGenerator(meanA, stdA, rngA);
@@ -240,20 +255,20 @@ public class InterMeasureGenerator implements Measurable {
AbsoluteDate dateA = sensorA.getDate(line);
for (double pixelA = 0; pixelA < sensorA
- .getNbPixels(); pixelA += pixelSampling) {
+ .getNbPixels(); pixelA += pixelSampling) {
GeodeticPoint gpA = ruggedA
- .directLocation(dateA, sensorA.getPosition(),
- sensorA.getLOS(dateA, pixelA));
+ .directLocation(dateA, sensorA.getPosition(),
+ sensorA.getLOS(dateA, pixelA));
SensorPixel sensorPixelB = ruggedB
- .inverseLocation(sensorNameB, gpA, minLine, maxLine);
+ .inverseLocation(sensorNameB, gpA, minLine, maxLine);
// we need to test if the sensor pixel is found in the
// prescribed lines otherwise the sensor pixel is null
if (sensorPixelB != null) {
//System.out.format(" %n");
final AbsoluteDate dateB = sensorB
- .getDate(sensorPixelB.getLineNumber());
+ .getDate(sensorPixelB.getLineNumber());
double pixelB = sensorPixelB.getPixelNumber();
final SpacecraftToObservedBody scToBodyA = ruggedA
.getScToBody();
@@ -271,17 +286,17 @@ public class InterMeasureGenerator implements Measurable {
double distanceLOSA = ruggedA
.distanceBetweenLOS(sensorB, dateB, pixelB, scToBodyB,
sensorA, dateA, pixelA);*/
-
+
//System.out.format("distance LOS %1.8e %1.8e %n",distanceLOSB,distanceLOSA);
-
-
-
+
+
+
GeodeticPoint gpB = ruggedB
.directLocation(dateB, sensorB.getPosition(),
sensorB.getLOS(dateB, pixelB));
-
+
double GEOdistance = DistanceTools.computeDistanceInMeter(gpA.getLongitude(), gpA.getLatitude(),
- gpB.getLongitude(), gpB.getLatitude());
+ gpB.getLongitude(), gpB.getLatitude());
if(GEOdistance < outlier)
{
@@ -295,9 +310,9 @@ public class InterMeasureGenerator implements Measurable {
vecRandomA[0],
pixelA + vecRandomA[1]);
SensorPixel RealPixelB = new SensorPixel(sensorPixelB
- .getLineNumber() + vecRandomB[0], sensorPixelB
- .getPixelNumber() + vecRandomB[1]);
- /*System.out.format("pix A %f %f Real %f %f %n", line,
+ .getLineNumber() + vecRandomB[0], sensorPixelB
+ .getPixelNumber() + vecRandomB[1]);
+ /*System.out.format("pix A %f %f Real %f %f %n", line,
pixelA, RealPixelA.getLineNumber(),
RealPixelA.getPixelNumber());
System.out.format("pix B %f %f Real %f %f %n",
@@ -309,10 +324,10 @@ public class InterMeasureGenerator implements Measurable {
AbsoluteDate RealDateB = sensorB.getDate(RealPixelB.getLineNumber());
double[] distanceLOSB = ruggedB
.distanceBetweenLOS(sensorA, RealDateA, RealPixelA.getPixelNumber(), scToBodyA,
- sensorB, RealDateB, RealPixelB.getPixelNumber());
+ sensorB, RealDateB, RealPixelB.getPixelNumber());
final Double losDistance = 0.0;
final Double earthDistance = distanceLOSB[1];
-
+
interMapping.addMapping(RealPixelA, RealPixelB, losDistance, earthDistance);
measureCount++;
}
@@ -321,13 +336,14 @@ public class InterMeasureGenerator implements Measurable {
/*System.out.format("A line %2.3f pixel %2.3f %n rejected ", line,
pixelA);*/
}
- }
+ }
}
}
+ this.observables.addInterMapping(interMapping);
}
-
- /** Default constructor: measures generation without outlier points control
+
+ /** Default constructor: measures generation without outlier points control
* and Earth distances constraint.
* @param viewingModelA
* @param ruggedA
@@ -337,14 +353,14 @@ public class InterMeasureGenerator implements Measurable {
*/
private void initParams(Rugged ruggedA, String sensorNameA, int dimensionA,
Rugged ruggedB, String sensorNameB, int dimensionB) throws RuggedException {
-
+
// generate reference mapping
this.sensorNameA = sensorNameA;
this.sensorNameB = sensorNameB;
// check that sensors's name is different
if (sensorNameA.contains(sensorNameB)) {
throw new RuggedExceptionWrapper(new RuggedException(RuggedMessages.DUPLICATED_PARAMETER_NAME,
- sensorNameA));
+ sensorNameA));
}
this.ruggedA = ruggedA;
@@ -352,10 +368,10 @@ public class InterMeasureGenerator implements Measurable {
sensorA = ruggedA.getLineSensor(sensorNameA);
sensorB = ruggedB.getLineSensor(sensorNameB);
-
+
this.dimensionA = dimensionA;
this.dimensionB = dimensionB;
-
+
measureCount = 0;
}
diff --git a/src/main/java/org/orekit/rugged/refining/measures/Observables.java b/src/main/java/org/orekit/rugged/refining/measures/Observables.java
index 79bf1312e21ed5543394d0c92b35ac4c461a7b58..4e2318b405ab7592f3ccec40689193e3053546ea 100644
--- a/src/main/java/org/orekit/rugged/refining/measures/Observables.java
+++ b/src/main/java/org/orekit/rugged/refining/measures/Observables.java
@@ -16,15 +16,9 @@
*/
package org.orekit.rugged.refining.measures;
-import java.util.ArrayList;
-import java.util.Collections;
+import java.util.Collection;
import java.util.LinkedHashMap;
-import java.util.List;
import java.util.Map;
-import java.util.Set;
-
-import org.orekit.rugged.errors.RuggedException;
-import org.orekit.rugged.errors.RuggedMessages;
/** Class for measures generation.
* @author Lucie Labat-Allee
@@ -38,7 +32,7 @@ public class Observables {
private final Map<String, SensorToGroundMapping> groundMappings;
/** Sensor to sensor mappings structure (liaison points). */
- private final List<SensorToSensorMapping> interMappings;
+ private final Map<String, SensorToSensorMapping> interMappings;
/** Number of viewing models to map */
private final int nbModels;
@@ -50,7 +44,7 @@ public class Observables {
*/
public Observables(final int nbModels) {
this.groundMappings = new LinkedHashMap<String, SensorToGroundMapping>();
- this.interMappings = new ArrayList<SensorToSensorMapping>();
+ this.interMappings = new LinkedHashMap<String, SensorToSensorMapping>();
this.nbModels = nbModels;
}
@@ -58,22 +52,23 @@ public class Observables {
* @param SensorToSensorMapping sensor to sensor mapping
*/
public void addInterMapping(final SensorToSensorMapping interMapping) {
- interMappings.add(interMapping);
+ final String key = this.createKey(interMapping);
+ interMappings.put(this.createKey(interMapping),interMapping);
}
/** Add a ground mapping between
* @param SensorToGroundMapping sensor to ground mapping
*/
public void addGroundMapping(final SensorToGroundMapping groundMapping) {
- groundMappings.put(groundMapping.getSensorName(), groundMapping);
+ groundMappings.put(this.createKey(groundMapping), groundMapping);
}
/** Get all the ground mapping entries.
* @return an unmodifiable view of all mapping entries
*/
- public Set<Map.Entry<String, SensorToGroundMapping>> getGroundMappings() {
- return Collections.unmodifiableSet(groundMappings.entrySet());
+ public Collection<SensorToGroundMapping> getGroundMappings() {
+ return groundMappings.values();
}
@@ -81,26 +76,38 @@ public class Observables {
* Get a ground Mapping for a sensor.
*
* @param sensorName sensor name
- * @return selected ground mapping
- * @exception RuggedException if sensor is not known
+ * @return selected ground mapping or null of sensorName is not found
*/
- public SensorToGroundMapping getGroundMapping(final String sensorName)
- throws RuggedException {
- final SensorToGroundMapping mapping = this.groundMappings.get(sensorName);
- if (mapping == null) {
- throw new RuggedException(RuggedMessages.UNKNOWN_SENSOR,
- sensorName);
- }
+ public SensorToGroundMapping getGroundMapping(final String ruggedName, final String sensorName) {
+ final SensorToGroundMapping mapping = this.groundMappings.get(ruggedName + "_" + sensorName);
return mapping;
}
/**
* @return the interMappings
*/
- public List<SensorToSensorMapping> getInterMappings() {
- return interMappings;
+ public Collection<SensorToSensorMapping> getInterMappings() {
+ return interMappings.values();
}
+ /**
+ * Get a sensor Mapping for a sensor.
+ *
+ * @param ruggedNameA rugged name A
+ * @param sensorNameA sensor name A
+ * @param ruggedNameB rugged name B
+ * @param sensorNameB sensor name B
+ * @return selected ground mapping or null of sensorName is not found
+ */
+ public SensorToSensorMapping getInterMapping(final String ruggedNameA, final String sensorNameA, final String ruggedNameB, final String sensorNameB) {
+
+ final String keyA = ruggedNameA + "_" + sensorNameA;
+ final String keyB = ruggedNameB + "_" + sensorNameB;
+ final SensorToSensorMapping mapping = this.interMappings.get(keyA + "__" + keyB);
+ return mapping;
+ }
+
+
/**
* @return the nbModels
*/
@@ -108,4 +115,27 @@ public class Observables {
return nbModels;
}
+
+ /** create key for GroudMapping map.
+ * @param groundMapping the groundMapping
+ * @return the key
+ */
+ private String createKey(final SensorToGroundMapping groundMapping)
+ {
+ final String key = groundMapping.getRuggedName() + "_" + groundMapping.getSensorName();
+ return key;
+ }
+
+ /** create key for SensorToSensorMapping map.
+ * @param groundMapping the groundMapping
+ * @return the key
+ */
+ private String createKey(final SensorToSensorMapping sensorMapping)
+ {
+ final String keyA = sensorMapping.getRuggedNameA() + "_" + sensorMapping.getSensorNameA();
+ final String keyB = sensorMapping.getRuggedNameB() + "_" + sensorMapping.getSensorNameB();
+ return keyA + "__" + keyB;
+ }
+
+
}
diff --git a/src/main/java/org/orekit/rugged/refining/measures/SensorMapping.java b/src/main/java/org/orekit/rugged/refining/measures/SensorMapping.java
index 0784bc5dea03ed002b3cf76460d24dd08a4af288..b6d1d00789066396c6996f93f2dfdc0ae26c31f8 100644
--- a/src/main/java/org/orekit/rugged/refining/measures/SensorMapping.java
+++ b/src/main/java/org/orekit/rugged/refining/measures/SensorMapping.java
@@ -20,6 +20,7 @@ import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
+
import org.orekit.rugged.linesensor.SensorPixel;
/** Container for mapping sensor pixels with sensor pixels or ground points.
@@ -31,6 +32,10 @@ public class SensorMapping<T> {
/** Name of the sensor to which mapping applies. */
private final String sensorName;
+ /** Name of the rugged to which mapping applies. */
+ private final String ruggedName;
+
+
/** Mapping from sensor to other (sensor or ground). */
private final Map<SensorPixel, T> mapping;
@@ -39,10 +44,20 @@ public class SensorMapping<T> {
* @param sensorName name of the sensor to which mapping applies
*/
public SensorMapping(final String sensorName) {
+ this(sensorName, "Rugged");
+ }
+
+ /** Build a new instance.
+ * @param sensorName name of the sensor to which mapping applies
+ * @param ruggedName name of the rugged to which mapping applies
+ */
+ public SensorMapping(final String sensorName, final String ruggedName) {
this.sensorName = sensorName;
- this.mapping = new LinkedHashMap<SensorPixel,T>();
+ this.ruggedName = ruggedName;
+ this.mapping = new LinkedHashMap<SensorPixel, T>();
}
+
/** Get the name of the sensor to which mapping applies.
* @return name of the sensor to which mapping applies
*/
@@ -50,6 +65,14 @@ public class SensorMapping<T> {
return sensorName;
}
+ /** Get the name of the rugged to which mapping applies.
+ * @return name of the rugged to which mapping applies
+ */
+ public String getRuggedName() {
+ return ruggedName;
+ }
+
+
/** Add a mapping between a sensor pixel and another point (sensor pixel or ground point).
* @param pixel sensor pixel
* @param point sensor pixel / ground point corresponding to the sensor pixel
diff --git a/src/main/java/org/orekit/rugged/refining/measures/SensorToGroundMapping.java b/src/main/java/org/orekit/rugged/refining/measures/SensorToGroundMapping.java
index 2fe172ed66f8222974939afd41cc5346c2b7c9fc..f9410bc84309878376a39bd8aa2003604e07bc3b 100644
--- a/src/main/java/org/orekit/rugged/refining/measures/SensorToGroundMapping.java
+++ b/src/main/java/org/orekit/rugged/refining/measures/SensorToGroundMapping.java
@@ -38,11 +38,20 @@ public class SensorToGroundMapping {
private final SensorMapping<GeodeticPoint> groundMapping;
/** Build a new instance.
+ * @param ruggedName name of the rugged to which mapping applies
* @param sensorName name of the sensor to which mapping applies
*/
- public SensorToGroundMapping(final String sensorName) {
+ public SensorToGroundMapping(final String ruggedName, final String sensorName) {
this.sensorName = sensorName;
- this.groundMapping = new SensorMapping<GeodeticPoint>(sensorName);
+ this.groundMapping = new SensorMapping<GeodeticPoint>(sensorName, ruggedName);
+ }
+
+
+ /** Build a new instance.
+ * @param sensorName name of the sensor to which mapping applies
+ */
+ public SensorToGroundMapping(final String sensorName) {
+ this(sensorName, "Rugged");
}
/** Get the name of the sensor to which mapping applies.
@@ -52,6 +61,13 @@ public class SensorToGroundMapping {
return sensorName;
}
+ /** Get the name of the rugged to which mapping applies.
+ * @return name of the rugged to which mapping applies
+ */
+ public String getRuggedName() {
+ return this.groundMapping.getRuggedName();
+ }
+
/** Add a mapping between one sensor pixel and one ground point.
* @param pixel sensor pixel
* @param groundPoint ground point corresponding to the sensor pixel
@@ -67,4 +83,7 @@ public class SensorToGroundMapping {
return Collections.unmodifiableSet(groundMapping.getMapping());
}
+
+ //public Boolean Match(final String SensorName,final String )
+
}
diff --git a/src/main/java/org/orekit/rugged/refining/measures/SensorToSensorMapping.java b/src/main/java/org/orekit/rugged/refining/measures/SensorToSensorMapping.java
index 37b47a518e6918f47fa3c47c6cfc2df610e3c4ff..22d01216d17a6c817f0b6e8ce88bcfada09a9672 100644
--- a/src/main/java/org/orekit/rugged/refining/measures/SensorToSensorMapping.java
+++ b/src/main/java/org/orekit/rugged/refining/measures/SensorToSensorMapping.java
@@ -21,12 +21,13 @@ import java.util.List;
import java.util.Map;
import java.util.Set;
+import org.orekit.rugged.api.Rugged;
import org.orekit.rugged.linesensor.SensorPixel;
-/** Container for mapping sensors pixels of two viewing models.
+/** Container for mapping sensors pixels of two viewing models.
* Store the distance between both lines of sight computed with @link {@link Rugged#distanceBetweenLOS(
* String, org.orekit.time.AbsoluteDate, int, String, org.orekit.time.AbsoluteDate, int)}
- * Constraints in relation to Earth distance can be added.
+ * Constraints in relation to Earth distance can be added.
* @author Lucie LabatAllee
* @see SensorMapping
* @since 2.0
@@ -36,48 +37,68 @@ public class SensorToSensorMapping {
/** Name of the sensor B to which mapping applies. */
private final String sensorNameB;
+ /** Name of the rugged B to which mapping applies. */
+ private final String ruggedNameB;
+
/** Mapping from sensor A to sensor B. */
private final SensorMapping<SensorPixel> interMapping;
/** Distance between two LOS */
private final List<Double> losDistances;
-
+
/** Earth distance associated with pixel A */
private final List<Double> earthDistances;
-
+
/** Earth constraint weight */
private double earthConstraintWeight;
-
-
+
+
/** Build a new instance without Earth constraints
* @param sensorNameA name of the sensor A to which mapping applies
* @param sensorNameB name of the sensor B to which mapping applies
*/
public SensorToSensorMapping(final String sensorNameA, final String sensorNameB) {
- this.interMapping = new SensorMapping<SensorPixel>(sensorNameA);
+ this(sensorNameA, "Rugged", sensorNameB, "Rugged", 0.0);
+ }
+
+ /** Build a new instance without Earth constraints
+ * @param sensorNameA name of the sensor A to which mapping applies
+ * @param sensorNameB name of the sensor B to which mapping applies
+ */
+ public SensorToSensorMapping(final String sensorNameA, final String ruggedNameA , final String sensorNameB, final String ruggedNameB, final double constraintWeight) {
+ this.interMapping = new SensorMapping<SensorPixel>(sensorNameA, ruggedNameA);
this.sensorNameB = sensorNameB;
+ this.ruggedNameB = ruggedNameB;
this.losDistances = new ArrayList<Double>();
this.earthDistances = new ArrayList<Double>();
- this.earthConstraintWeight = 0.0;
-
+ this.earthConstraintWeight = constraintWeight;
+
}
-
- /** Build a new instance with Earth constraints: we want to minimize the distance between pixelA and Earth
+ /** Build a new instance without Earth constraints
* @param sensorNameA name of the sensor A to which mapping applies
* @param sensorNameB name of the sensor B to which mapping applies
- * @param constraintWeight weight given to the Earth distance constraint
+ */
+ public SensorToSensorMapping(final String sensorNameA, final String ruggedNameA , final String sensorNameB, final String ruggedNameB) {
+ this(sensorNameA, ruggedNameA, sensorNameB, ruggedNameB, 0.0);
+ }
+
+
+
+ /** Build a new instance with Earth constraints: we want to minimize the distance between pixelA and Earth
+ * @param sensorNameA name of the sensor A to which mapping applies
+ * @param sensorNameB name of the sensor B to which mapping applies
+ * @param constraintWeight weight given to the Earth distance constraint
* with respect to the LOS distance (between 0 and 1). Weighting will be applied as follow :
* (1-earthConstraintWeight) for losDistance weighting
* earthConstraintWeight for earthDistance weighting
*/
- public SensorToSensorMapping(final String sensorNameA, final String sensorNameB,
+ public SensorToSensorMapping(final String sensorNameA, final String sensorNameB,
final double constraintWeight) {
- this(sensorNameA, sensorNameB);
- this.earthConstraintWeight = constraintWeight;
+ this(sensorNameA, "Rugged", sensorNameB, "Rugged", constraintWeight);
}
-
+
/** Get the name of the sensor B to which mapping applies.
* @return name of the sensor B to which mapping applies
*/
@@ -91,22 +112,40 @@ public class SensorToSensorMapping {
public String getSensorNameA() {
return interMapping.getSensorName();
}
-
+
+
+ /** Get the name of the rugged B to which mapping applies.
+ * @return name of the rugged B to which mapping applies
+ */
+ public String getRuggedNameB() {
+ return ruggedNameB;
+ }
+
+ /** Get the name of the rugged A to which mapping applies.
+ * @return name of the rugged A to which mapping applies
+ */
+ public String getRuggedNameA() {
+ return interMapping.getRuggedName();
+ }
+
+
+
+
/** Get all the inter-mapping entries.
* @return an unmodifiable view of all mapping entries
*/
public Set<Map.Entry<SensorPixel, SensorPixel>> getMapping() {
return interMapping.getMapping();
}
-
+
/** Get distances between lines of sight (from both view)
* @return the losDistances
*/
public List<Double> getLosDistances() {
return losDistances;
- }
-
+ }
+
/** Get distances between Earth and pixel A (mapping with constraints)
* @return the earthDistances
@@ -115,7 +154,7 @@ public class SensorToSensorMapping {
return earthDistances;
}
-
+
/** Get the weight given to the Earth distance constraint with respect to the LOS distance
* @return the earthConstraintWeight
*/
@@ -123,7 +162,7 @@ public class SensorToSensorMapping {
return earthConstraintWeight;
}
-
+
/** Get distance between Earth and pixel A, corresponding to the inter mapping index
* @param idx inter mapping index
* @return the earthDistances
@@ -131,8 +170,8 @@ public class SensorToSensorMapping {
public Double getEarthDistance(final int idx) {
return getEarthDistances().get(idx);
}
-
-
+
+
/** Get distance between LOS, corresponding to the inter mapping index
* @param idx inter mapping index
* @return the losDistance
@@ -140,7 +179,7 @@ public class SensorToSensorMapping {
public Double getLosDistance(final int idx) {
return getLosDistances().get(idx);
}
-
+
/** Add a mapping between two sensor pixels (A and B) and corresponding distance between the LOS
* @param pixelA sensor pixel A
@@ -153,19 +192,19 @@ public class SensorToSensorMapping {
}
/** Add a mapping between two sensor pixels (A and B) and corresponding distance between the LOS
- * and the earth distance constraint associated with pixel A
+ * and the earth distance constraint associated with pixel A
* @param pixelA sensor pixel A
* @param pixelB sensor pixel B corresponding to the sensor pixel A
* @param losDistance distance between both line of sight
* @param earthDistance distance between Earth and pixel A
*/
- public void addMapping(final SensorPixel pixelA, final SensorPixel pixelB,
+ public void addMapping(final SensorPixel pixelA, final SensorPixel pixelB,
final Double losDistance, final Double earthDistance) {
interMapping.addMapping(pixelA, pixelB);
losDistances.add(losDistance);
earthDistances.add(earthDistance);
}
-
+
/** Set the Earth constraint weight
* @param earthConstraintWeight the Earth constraint weight to set
*/
diff --git a/src/tutorials/java/AffinagePleiades/GroundRefining.java b/src/tutorials/java/AffinagePleiades/GroundRefining.java
index 20c561587281501bf08e71cbb01def9420a1dacd..f52dffb04491ab012317f1d9ed46023636837d99 100644
--- a/src/tutorials/java/AffinagePleiades/GroundRefining.java
+++ b/src/tutorials/java/AffinagePleiades/GroundRefining.java
@@ -238,7 +238,7 @@ public class GroundRefining extends Refining {
int maxIterations = 100;
double convergenceThreshold = 1e-14;
- refining.optimization(maxIterations, convergenceThreshold, measures.getGroundMapping(), refining.getRugged());
+ refining.optimization(maxIterations, convergenceThreshold, measures.getObservables(), refining.getRugged());
// Check estimated values
diff --git a/src/tutorials/java/AffinagePleiades/InterRefining.java b/src/tutorials/java/AffinagePleiades/InterRefining.java
index 100f03640fa23154966eed4179a9dd6ce15bc5c3..2412255c840e11b5888b9befa21571eacdc5340e 100644
--- a/src/tutorials/java/AffinagePleiades/InterRefining.java
+++ b/src/tutorials/java/AffinagePleiades/InterRefining.java
@@ -17,19 +17,20 @@
package AffinagePleiades;
-import org.hipparchus.util.FastMath;
-import org.hipparchus.geometry.euclidean.threed.Vector3D;
import java.io.File;
-import java.util.Locale;
+import java.util.Arrays;
+import java.util.Collection;
import java.util.List;
+import java.util.Locale;
+import org.hipparchus.geometry.euclidean.threed.Vector3D;
+import org.hipparchus.util.FastMath;
import org.orekit.bodies.BodyShape;
import org.orekit.bodies.GeodeticPoint;
import org.orekit.data.DataProvidersManager;
import org.orekit.data.DirectoryCrawler;
import org.orekit.errors.OrekitException;
import org.orekit.forces.gravity.potential.NormalizedSphericalHarmonicsProvider;
-
import org.orekit.orbits.Orbit;
import org.orekit.rugged.api.AlgorithmId;
import org.orekit.rugged.api.BodyRotatingFrameId;
@@ -37,7 +38,6 @@ import org.orekit.rugged.api.EllipsoidId;
import org.orekit.rugged.api.InertialFrameId;
import org.orekit.rugged.api.Rugged;
import org.orekit.rugged.api.RuggedBuilder;
-
import org.orekit.rugged.errors.RuggedException;
import org.orekit.rugged.linesensor.LineSensor;
import org.orekit.rugged.refining.generators.GroundMeasureGenerator;
@@ -58,7 +58,7 @@ import org.orekit.utils.TimeStampedPVCoordinates;
/**
* Class for testing refining (liaison points study)
- * with or without noisy measurements
+ * with or without noisy measurements
* @author Jonathan Guinet
* @author Lucie Labat-Allee
* @see SensorToGroundMapping
@@ -68,54 +68,54 @@ public class InterRefining extends Refining {
/** Pleiades viewing model A */
PleiadesViewingModel pleiadesViewingModelA;
-
+
/** Pleiades viewing model B */
PleiadesViewingModel pleiadesViewingModelB;
/** Orbit model corresponding to viewing model A */
OrbitModel orbitmodelA;
-
+
/** Orbit model corresponding to viewing model B */
OrbitModel orbitmodelB;
-
+
/** Sensor name A corresponding to viewing model A */
String sensorNameA;
-
+
/** Sensor name A corresponding to viewing model B */
String sensorNameB;
-
+
/** RuggedA 's instance */
Rugged ruggedA;
-
+
/** RuggedB 's instance */
Rugged ruggedB;
/** Inter-measurements (between both viewing models) */
InterMeasureGenerator measures;
-
-
+
+
/**
* Constructor
*/
public InterRefining() throws RuggedException, OrekitException {
-
+
sensorNameA = "SensorA";
final double incidenceAngleA = -5.0;
final String dateA = "2016-01-01T11:59:50.0";
-
+
pleiadesViewingModelA = new PleiadesViewingModel(sensorNameA, incidenceAngleA, dateA);
-
+
sensorNameB = "SensorB";
final double incidenceAngleB = 0.0;
final String dateB = "2016-01-01T12:02:50.0";
pleiadesViewingModelB = new PleiadesViewingModel(sensorNameB, incidenceAngleB, dateB);
-
+
orbitmodelA = new OrbitModel();
orbitmodelB = new OrbitModel();
}
-
-
+
+
/** Main functions
* @param args
*/
@@ -129,71 +129,71 @@ public class InterRefining extends Refining {
File orekitData = new File(home, "COTS/orekit-data");
DataProvidersManager.getInstance().addProvider(new DirectoryCrawler(orekitData));
-
+
// Initialize refining context
// ---------------------------
InterRefining refining = new InterRefining();
-
+
// Sensors's definition: create 2 Pleiades viewing models
// ------------------------------------------------------
System.out.format("**** Build Pleiades viewing model A and its orbit definition **** %n");
-
+
// 1/- Create First Pleiades Viewing Model
PleiadesViewingModel pleiadesViewingModelA = refining.getPleiadesViewingModelA();
final AbsoluteDate minDateA = pleiadesViewingModelA.getMinDate();
final AbsoluteDate maxDateA = pleiadesViewingModelA.getMaxDate();
final AbsoluteDate refDateA = pleiadesViewingModelA.getDatationReference();
- LineSensor lineSensorA = pleiadesViewingModelA.getLineSensor();
- System.out.format(Locale.US, "Viewing model A - date min: %s max: %s ref: %s %n", minDateA, maxDateA, refDateA);
+ LineSensor lineSensorA = pleiadesViewingModelA.getLineSensor();
+ System.out.format(Locale.US, "Viewing model A - date min: %s max: %s ref: %s %n", minDateA, maxDateA, refDateA);
// ----Satellite position, velocity and attitude: create orbit model A
OrbitModel orbitmodelA = refining.getOrbitmodelA();
BodyShape earthA = orbitmodelA.createEarth();
NormalizedSphericalHarmonicsProvider gravityFieldA = orbitmodelA.createGravityField();
Orbit orbitA = orbitmodelA.createOrbit(gravityFieldA.getMu(), refDateA);
-
+
// ----If no LOF Transform Attitude Provider is Nadir Pointing Yaw Compensation
final double [] rollPoly = {0.0,0.0,0.0};
double[] pitchPoly = {0.025,0.0};
double[] yawPoly = {0.0,0.0,0.0};
orbitmodelA.setLOFTransform(rollPoly, pitchPoly, yawPoly, minDateA);
-
+
// ----Satellite attitude
List<TimeStampedAngularCoordinates> satelliteQListA = orbitmodelA.orbitToQ(orbitA, earthA, minDateA.shiftedBy(-0.0), maxDateA.shiftedBy(+0.0), 0.25);
int nbQPoints = 2;
-
+
// ----Position and velocities
PVCoordinates PVA = orbitA.getPVCoordinates(earthA.getBodyFrame());
List<TimeStampedPVCoordinates> satellitePVListA = orbitmodelA.orbitToPV(orbitA, earthA, minDateA.shiftedBy(-0.0), maxDateA.shiftedBy(+0.0), 0.25);
int nbPVPoints = 8;
-
+
// ----Convert frame and coordinates type in one call
GeodeticPoint gpA = earthA.transform(PVA.getPosition(), earthA.getBodyFrame(), orbitA.getDate());
-
+
System.out.format(Locale.US, "(A) Geodetic Point at date %s : φ = %8.10f °, λ = %8.10f %n",
orbitA.getDate().toString(),
FastMath.toDegrees(gpA.getLatitude()),
- FastMath.toDegrees(gpA.getLongitude()));
-
-
+ FastMath.toDegrees(gpA.getLongitude()));
+
+
// Rugged A initialization
// ---------------------
System.out.format("**** Rugged A initialization **** %n");
RuggedBuilder ruggedBuilderA = new RuggedBuilder();
-
+
ruggedBuilderA.addLineSensor(lineSensorA);
ruggedBuilderA.setAlgorithm(AlgorithmId.IGNORE_DEM_USE_ELLIPSOID);
ruggedBuilderA.setEllipsoid(EllipsoidId.WGS84, BodyRotatingFrameId.ITRF);
ruggedBuilderA.setTimeSpan(minDateA,maxDateA, 0.001, 5.0).
- setTrajectory(InertialFrameId.EME2000, satellitePVListA, nbPVPoints, CartesianDerivativesFilter.USE_PV,
- satelliteQListA, nbQPoints, AngularDerivativesFilter.USE_R)
- .setLightTimeCorrection(false)
- .setAberrationOfLightCorrection(false);
-
+ setTrajectory(InertialFrameId.EME2000, satellitePVListA, nbPVPoints, CartesianDerivativesFilter.USE_PV,
+ satelliteQListA, nbQPoints, AngularDerivativesFilter.USE_R)
+ .setLightTimeCorrection(false)
+ .setAberrationOfLightCorrection(false);
+ ruggedBuilderA.setName("RuggedA");
refining.setRuggedA(ruggedBuilderA.build());
-
+
System.out.format("\n**** Build Pleiades viewing model B and its orbit definition **** %n");
// 2/- Create Second Pleiades Viewing Model
PleiadesViewingModel pleiadesViewingModelB = refining.getPleiadesViewingModelB();
@@ -201,7 +201,7 @@ public class InterRefining extends Refining {
final AbsoluteDate maxDateB = pleiadesViewingModelB.getMaxDate();
final AbsoluteDate refDateB = pleiadesViewingModelB.getDatationReference();
LineSensor lineSensorB = pleiadesViewingModelB.getLineSensor();
- System.out.format(Locale.US, "Viewing model B - date min: %s max: %s ref: %s %n", minDateB, maxDateB, refDateB);
+ System.out.format(Locale.US, "Viewing model B - date min: %s max: %s ref: %s %n", minDateB, maxDateB, refDateB);
// ----Satellite position, velocity and attitude: create orbit model B
OrbitModel orbitmodelB = new OrbitModel();
@@ -209,49 +209,49 @@ public class InterRefining extends Refining {
NormalizedSphericalHarmonicsProvider gravityFieldB = orbitmodelB.createGravityField();
Orbit orbitB = orbitmodelB.createOrbit(gravityFieldB.getMu(), refDateB);
//orbitmodelB.setLOFTransform(rollPoly, pitchPoly, yawPoly, minDateB);
-
+
// ----Satellite attitude
List<TimeStampedAngularCoordinates> satelliteQListB = orbitmodelB.orbitToQ(orbitB, earthB, minDateB.shiftedBy(-0.0), maxDateB.shiftedBy(+0.0), 0.25);
-
+
// ----Position and velocities
PVCoordinates PVB = orbitB.getPVCoordinates(earthB.getBodyFrame());
List<TimeStampedPVCoordinates> satellitePVListB = orbitmodelB.orbitToPV(orbitB, earthB, minDateB.shiftedBy(-0.0), maxDateB.shiftedBy(+0.0), 0.25);
GeodeticPoint gpB = earthB.transform(PVB.getPosition(), earthB.getBodyFrame(), orbitB.getDate());
-
+
System.out.format(Locale.US, "(B) Geodetic Point at date %s : φ = %8.10f °, λ = %8.10f %n",orbitA.getDate().toString(),
FastMath.toDegrees(gpB.getLatitude()),
- FastMath.toDegrees(gpB.getLongitude()));
-
+ FastMath.toDegrees(gpB.getLongitude()));
+
// Rugged B initialization
// ---------------------
System.out.format("**** Rugged B initialization **** %n");
RuggedBuilder ruggedBuilderB = new RuggedBuilder();
-
+
ruggedBuilderB.addLineSensor(lineSensorB);
ruggedBuilderB.setAlgorithm(AlgorithmId.IGNORE_DEM_USE_ELLIPSOID);
ruggedBuilderB.setEllipsoid(EllipsoidId.WGS84, BodyRotatingFrameId.ITRF);
ruggedBuilderB.setTimeSpan(minDateB,maxDateB, 0.001, 5.0).
- setTrajectory(InertialFrameId.EME2000, satellitePVListB, nbPVPoints, CartesianDerivativesFilter.USE_PV,
- satelliteQListB, nbQPoints, AngularDerivativesFilter.USE_R)
- .setLightTimeCorrection(false)
- .setAberrationOfLightCorrection(false);
-
+ setTrajectory(InertialFrameId.EME2000, satellitePVListB, nbPVPoints, CartesianDerivativesFilter.USE_PV,
+ satelliteQListB, nbQPoints, AngularDerivativesFilter.USE_R)
+ .setLightTimeCorrection(false)
+ .setAberrationOfLightCorrection(false);
+ ruggedBuilderB.setName("RuggedB");
refining.setRuggedB(ruggedBuilderB.build());
-
-
-
+
+
+
// Compute distance between LOS
// -----------------------------
double distance = refining.computeDistance(lineSensorA, lineSensorB);
System.out.format("distance %f meters %n",distance);
-
-
- // Initialize disruptions:
+
+
+ // Initialize disruptions:
// -----------------------
-
+
// Introduce rotations around instrument axes (roll and pitch translations, scale factor)
- System.out.format("\n**** Add disruptions on both acquisitions (A,B): roll and pitch rotations, scale factor **** %n");
+ System.out.format("\n**** Add disruptions on both acquisitions (A,B): roll and pitch rotations, scale factor **** %n");
double rollValueA = FastMath.toRadians(0.004);
double pitchValueA = FastMath.toRadians(0.0008);
double rollValueB = FastMath.toRadians(-0.004);
@@ -259,23 +259,23 @@ public class InterRefining extends Refining {
double factorValue = 1.0;
System.out.format("Acquisition A roll: %3.5f \tpitch: %3.5f \tfactor: %3.5f \n",rollValueA,pitchValueA,factorValue);
System.out.format("Acquisition B roll: %3.5f \tpitch: %3.5f \tfactor: %3.5f \n",rollValueB,pitchValueB,factorValue);
-
+
// Apply disruptions on physical model (acquisition A)
refining.applyDisruptions(refining.getRuggedA(),refining.getSensorNameA(),
rollValueA, pitchValueA, factorValue);
-
+
// Apply disruptions on physical model (acquisition B)
refining.applyDisruptions(refining.getRuggedB(),refining.getSensorNameB(),
rollValueB, pitchValueB, factorValue);
-
-
-
+
+
+
// Generate measures (observations) from physical model disrupted
// --------------------------------------------------------------
-
+
int lineSampling = 1000;
- int pixelSampling = 1000;
-
+ int pixelSampling = 1000;
+
// Noise definition
final Noise noise = new Noise(0,2); /* distribution: gaussian(0), vector dimension:3 */
final double[] mean = {5.0,0.0}; /* {pixelA mean, pixelB mean} */
@@ -286,54 +286,54 @@ public class InterRefining extends Refining {
System.out.format("\tSensor A mean: %f std %f %n",mean[0],standardDeviation[0]);
System.out.format("\tSensor B mean: %f std %f %n",mean[1],standardDeviation[1]);
- InterMeasureGenerator measures = refining.generateNoisyPoints(lineSampling, pixelSampling,
+ InterMeasureGenerator measures = refining.generateNoisyPoints(lineSampling, pixelSampling,
refining.getRuggedA(), refining.getSensorNameA(),
refining.getPleiadesViewingModelA().getDimension(),
refining.getRuggedB(), refining.getSensorNameB(),
refining.getPleiadesViewingModelB().getDimension(),
noise);
-
-// // To test with measures without noise
-// InterMeasureGenerator measures = refining.generatePoints(lineSampling, pixelSampling,
-// refining.getRuggedA(), refining.getSensorNameA(),
-// refining.getPleiadesViewingModelA().getDimension(),
-// refining.getRuggedB(), refining.getSensorNameB(),
-// refining.getPleiadesViewingModelB().getDimension());
-
+
+ // // To test with measures without noise
+ // InterMeasureGenerator measures = refining.generatePoints(lineSampling, pixelSampling,
+ // refining.getRuggedA(), refining.getSensorNameA(),
+ // refining.getPleiadesViewingModelA().getDimension(),
+ // refining.getRuggedB(), refining.getSensorNameB(),
+ // refining.getPleiadesViewingModelB().getDimension());
+
refining.setMeasures(measures);
-
-
+
+
// Compute ground truth residues
// -----------------------------
System.out.format("\n**** Ground truth residuals **** %n");
refining.computeMetrics(measures.getInterMapping(), refining.getRuggedA(), refining.getRuggedB(), false);
-
+
// Initialize physical models without disruptions
// -----------------------------------------------
System.out.format("\n**** Initialize physical models (A,B) without disruptions: reset Roll/Pitch/Factor **** %n");
refining.resetModel(refining.getRuggedA(), refining.getSensorNameA(), false);
refining.resetModel(refining.getRuggedB(), refining.getSensorNameB(), false);
-
-
+
+
// Compute initial residues
// ------------------------
System.out.format("\n**** Initial Residuals **** %n");
refining.computeMetrics(measures.getInterMapping(), refining.getRuggedA(), refining.getRuggedB(), false);
-
-
+
+
// Start optimization
// ------------------
System.out.format("\n**** Start optimization **** %n");
-
+
int maxIterations = 100;
double convergenceThreshold = 1e-10;
-
- refining.optimization(maxIterations, convergenceThreshold,
- measures.getInterMapping(),
- refining.getRuggedA(), refining.getRuggedB());
-
-
+
+ refining.optimization(maxIterations, convergenceThreshold,
+ measures.getObservables(),
+ refining.getRuggeds());
+
+
// Check estimated values
// ----------------------
System.out.format("\n**** Check parameters ajustement **** %n");
@@ -344,15 +344,15 @@ public class InterRefining extends Refining {
refining.paramsEstimation(refining.getRuggedB(), refining.getSensorNameB(),
rollValueB, pitchValueB, factorValue);
//refining.paramsEstimation(rollValueA, pitchValueA, factorValue, rollValueB, pitchValueB);
-
-
+
+
// Compute statistics
// ------------------
System.out.format("\n**** Compute Statistics **** %n");
refining.computeMetrics(measures.getInterMapping(), refining.getRuggedA(), refining.getRuggedB(), false);
-
-
-
+
+
+
} catch (OrekitException oe) {
System.err.println(oe.getLocalizedMessage());
System.exit(1);
@@ -364,7 +364,7 @@ public class InterRefining extends Refining {
}
-
+
/**
* @return the pleiadesViewingModelA
*/
@@ -373,17 +373,17 @@ public class InterRefining extends Refining {
}
-
+
/**
* @param pleiadesViewingModelA the pleiadesViewingModelA to set
*/
public void
- setPleiadesViewingModelA(PleiadesViewingModel pleiadesViewingModelA) {
+ setPleiadesViewingModelA(PleiadesViewingModel pleiadesViewingModelA) {
this.pleiadesViewingModelA = pleiadesViewingModelA;
}
-
+
/**
* @return the pleiadesViewingModelB
*/
@@ -392,17 +392,17 @@ public class InterRefining extends Refining {
}
-
+
/**
* @param pleiadesViewingModelB the pleiadesViewingModelB to set
*/
public void
- setPleiadesViewingModelB(PleiadesViewingModel pleiadesViewingModelB) {
+ setPleiadesViewingModelB(PleiadesViewingModel pleiadesViewingModelB) {
this.pleiadesViewingModelB = pleiadesViewingModelB;
}
-
+
/**
* @return the orbitmodelA
*/
@@ -411,7 +411,7 @@ public class InterRefining extends Refining {
}
-
+
/**
* @param orbitmodelA the orbitmodelA to set
*/
@@ -420,7 +420,7 @@ public class InterRefining extends Refining {
}
-
+
/**
* @return the orbitmodelB
*/
@@ -429,7 +429,7 @@ public class InterRefining extends Refining {
}
-
+
/**
* @param orbitmodelB the orbitmodelB to set
*/
@@ -438,8 +438,8 @@ public class InterRefining extends Refining {
}
-
-
+
+
/**
* @return the sensorNameA
*/
@@ -448,7 +448,7 @@ public class InterRefining extends Refining {
}
-
+
/**
* @return the sensorNameB
*/
@@ -465,7 +465,7 @@ public class InterRefining extends Refining {
}
-
+
/**
* @param ruggedA the ruggedA to set
*/
@@ -481,8 +481,16 @@ public class InterRefining extends Refining {
return ruggedB;
}
+ /**
+ * @return the ruggedList
+ */
+ public Collection<Rugged> getRuggeds() {
+ List<Rugged> ruggedList = Arrays.asList(this.ruggedA, this.ruggedB);
+ return ruggedList;
+ }
+
+
-
/**
* @param ruggedB the ruggedB to set
*/
@@ -505,47 +513,47 @@ public class InterRefining extends Refining {
* @return GSD
*/
private double computeDistance(final LineSensor lineSensorA, final LineSensor lineSensorB) throws RuggedException {
-
+
Vector3D positionA = lineSensorA.getPosition(); // This returns a zero vector since we set the relative position of the sensor w.r.T the satellite to 0.
-
+
AbsoluteDate lineDateA = lineSensorA.getDate(pleiadesViewingModelA.dimension/2);
Vector3D losA = lineSensorA.getLOS(lineDateA,pleiadesViewingModelA.dimension/2);
GeodeticPoint centerPointA = ruggedA.directLocation(lineDateA, positionA, losA);
System.out.format(Locale.US, "\ncenter geodetic position A : φ = %8.10f °, λ = %8.10f °, h = %8.3f m%n",
FastMath.toDegrees(centerPointA.getLatitude()),
- FastMath.toDegrees(centerPointA.getLongitude()),centerPointA.getAltitude());
-
-
+ FastMath.toDegrees(centerPointA.getLongitude()),centerPointA.getAltitude());
+
+
Vector3D positionB = lineSensorB.getPosition(); // This returns a zero vector since we set the relative position of the sensor w.r.T the satellite to 0.
-
+
AbsoluteDate lineDateB = lineSensorB.getDate(pleiadesViewingModelB.dimension/2);
Vector3D losB = lineSensorB.getLOS(lineDateB,pleiadesViewingModelB.dimension/2);
GeodeticPoint centerPointB = ruggedB.directLocation(lineDateB, positionB, losB);
System.out.format(Locale.US, "center geodetic position B : φ = %8.10f °, λ = %8.10f °, h = %8.3f m%n",
FastMath.toDegrees(centerPointB.getLatitude()),
- FastMath.toDegrees(centerPointB.getLongitude()),centerPointB.getAltitude());
-
+ FastMath.toDegrees(centerPointB.getLongitude()),centerPointB.getAltitude());
+
lineDateB = lineSensorB.getDate(0);
losB = lineSensorB.getLOS(lineDateB,0);
GeodeticPoint firstPointB = ruggedB.directLocation(lineDateB, positionB, losB);
System.out.format(Locale.US, "first geodetic position B : φ = %8.10f °, λ = %8.10f °, h = %8.3f m%n",
FastMath.toDegrees(firstPointB.getLatitude()),
- FastMath.toDegrees(firstPointB.getLongitude()),firstPointB.getAltitude());
-
+ FastMath.toDegrees(firstPointB.getLongitude()),firstPointB.getAltitude());
+
lineDateB = lineSensorB.getDate(pleiadesViewingModelB.dimension-1);
losB = lineSensorB.getLOS(lineDateB,pleiadesViewingModelB.dimension-1);
GeodeticPoint lastPointB = ruggedB.directLocation(lineDateB, positionB, losB);
System.out.format(Locale.US, "last geodetic position B : φ = %8.10f °, λ = %8.10f °, h = %8.3f m%n",
FastMath.toDegrees(lastPointB.getLatitude()),
- FastMath.toDegrees(lastPointB.getLongitude()),lastPointB.getAltitude());
-
+ FastMath.toDegrees(lastPointB.getLongitude()),lastPointB.getAltitude());
+
double distance = DistanceTools.computeDistanceInMeter(centerPointA.getLongitude(), centerPointA.getLatitude(),
- centerPointB.getLongitude(), centerPointB.getLatitude());
-
+ centerPointB.getLongitude(), centerPointB.getLatitude());
+
return distance;
}
-
+
diff --git a/src/tutorials/java/AffinagePleiades/Refining.java b/src/tutorials/java/AffinagePleiades/Refining.java
index 7f93ae890b5f9d95fdec2d6e128862b6efa8d74a..e7ede5128a03ae99e32a63f03af05725c1145896 100644
--- a/src/tutorials/java/AffinagePleiades/Refining.java
+++ b/src/tutorials/java/AffinagePleiades/Refining.java
@@ -17,6 +17,7 @@
package AffinagePleiades;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.Collections;
import java.util.List;
@@ -26,6 +27,7 @@ import org.orekit.errors.OrekitExceptionWrapper;
import org.orekit.rugged.adjustment.AdjustmentContext;
import org.orekit.rugged.api.Rugged;
import org.orekit.rugged.errors.RuggedException;
+import org.orekit.rugged.errors.RuggedMessages;
import org.orekit.rugged.refining.generators.GroundMeasureGenerator;
import org.orekit.rugged.refining.generators.InterMeasureGenerator;
import org.orekit.rugged.refining.measures.Noise;
@@ -316,24 +318,19 @@ public class Refining {
* @throws RuggedException
*/
public void optimization(int maxIterations, double convergenceThreshold,
- SensorToGroundMapping measures,
+ Observables measures,
Rugged rugged) throws OrekitException, RuggedException {
- System.out.format("Iterations max: %d\tconvergence threshold: %3.6e \n",maxIterations, convergenceThreshold);
- List<Rugged> viewingModel = new ArrayList<Rugged>();
- viewingModel.add(rugged);
+ System.out.format("Iterations max: %d\tconvergence threshold: %3.6e \n", maxIterations, convergenceThreshold);
- Observables observables = new Observables(1);
- observables.addGroundMapping(measures);
-
- AdjustmentContext adjustmentContext = new AdjustmentContext(viewingModel, observables);
- Optimum optimum = adjustmentContext.estimateFreeParameters("Rugged_refining",maxIterations,convergenceThreshold);
+ AdjustmentContext adjustmentContext = new AdjustmentContext(Collections.singletonList(rugged), measures);
+ Optimum optimum = adjustmentContext.estimateFreeParameters(Collections.singletonList(rugged.getName()), maxIterations, convergenceThreshold);
// Print statistics
- System.out.format("Max value: %3.6e %n",optimum.getResiduals().getMaxValue());
- System.out.format("Optimization performed in %d iterations \n",optimum.getEvaluations());
- System.out.format("RMSE: %f \n",optimum.getRMS());
+ System.out.format("Max value: %3.6e %n", optimum.getResiduals().getMaxValue());
+ System.out.format("Optimization performed in %d iterations \n", optimum.getEvaluations());
+ System.out.format("RMSE: %f \n", optimum.getRMS());
}
@@ -347,22 +344,30 @@ public class Refining {
* @throws RuggedException
*/
public void optimization(int maxIterations, double convergenceThreshold,
- SensorToSensorMapping interMapping,
- Rugged ruggedA, Rugged ruggedB) throws OrekitException, RuggedException {
+ Observables measures,
+ Collection<Rugged> ruggeds) throws OrekitException, RuggedException {
+
+
+ System.out.format("Iterations max: %d\tconvergence threshold: %3.6e \n", maxIterations, convergenceThreshold);
+ if(ruggeds.size()!= 2 )
+ {
+ throw new RuggedException(RuggedMessages.UNSUPPORTED_REFINING_CONTEXT,ruggeds.size());
+ }
+ AdjustmentContext adjustmentContext = new AdjustmentContext(ruggeds, measures);
- System.out.format("Iterations max: %d\tconvergence threshold: %3.6e \n",maxIterations, convergenceThreshold);
+ List<String> ruggedNameList = new ArrayList<String>();
+ for(Rugged rugged : ruggeds) {
+ ruggedNameList.add(rugged.getName());
+ }
- // Note: estimateFreeParams2Models() is supposed to be applying on ruggedB, not on ruggedA (to be compliant with notations)
- // Adapt parameters
- Optimum optimum = ruggedB.estimateFreeParams2Models(Collections.singletonList(interMapping),
- maxIterations,convergenceThreshold, ruggedA);
+ Optimum optimum = adjustmentContext.estimateFreeParameters(ruggedNameList, maxIterations, convergenceThreshold);
// Print statistics
- System.out.format("Max value: %3.6e %n",optimum.getResiduals().getMaxValue());
- System.out.format("Optimization performed in %d iterations \n",optimum.getEvaluations());
- System.out.format("RMSE: %f \n",optimum.getRMS());
+ System.out.format("Max value: %3.6e %n", optimum.getResiduals().getMaxValue());
+ System.out.format("Optimization performed in %d iterations \n", optimum.getEvaluations());
+ System.out.format("RMSE: %f \n", optimum.getRMS());
}