eclipse-sailing-analytics/sailing-analytics
1
0 Fork 0
mirror of https://github.com/eclipse-sailing-analytics/sailing-analytics.git synced 2026-11-08 20:12:23 +00:00
Code Activity

Started implementing cubic spline interpolation for ORC Performance Curve.

Browse Source
This commit is contained in:
Daniel Lisunkin committed 2019-05-24 19:32:17 +02:00
1 parent 8ccbba79df
commit e5ffbd266f
1 file changed
+18
Download Patch File Download Diff File Expand all files Collapse all files
java/com.sap.sailing.domain/src/com/sap/sailing/domain/orc/impl/ORCPerformanceCurveImpl.java
+18
View File
@@ -10,7 +10,9 @@ import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.math.FunctionEvaluationException;
import org.apache.commons.math.analysis.interpolation.SplineInterpolator;
import org.apache.commons.math.analysis.polynomials.PolynomialFunctionLagrangeForm;
import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction;
import com.sap.sailing.domain.base.Competitor;
import com.sap.sailing.domain.orc.ORCPerformanceCurve;
@@ -163,6 +165,22 @@ public class ORCPerformanceCurveImpl implements Serializable, ORCPerformanceCurv
return result;
}
private void intializePerformanceCurve() throws FunctionEvaluationException {
Map<Speed, Duration> allowances = createAllowancesPerCourse();
SplineInterpolator interpolator = new SplineInterpolator();
double[] xs = new double[ORCCertificateImpl.ALLOWANCES_TRUE_WIND_SPEEDS.length];
double[] ys = new double[ORCCertificateImpl.ALLOWANCES_TRUE_WIND_SPEEDS.length];
int i = 0;
for(Entry<Speed,Duration> entry : allowances.entrySet()) {
xs[i] = entry.getKey().getKnots();
ys[i] = entry.getValue().asSeconds();
i += 1;
}
PolynomialSplineFunction function = interpolator.interpolate(xs, ys);
}
@Override
public Speed getImpliedWind() {
// TODO Auto-generated method stub