Package org.noise_planet.noisemodelling.propagation.cnossos

Class CnossosPathBuilder

java.lang.Object

org.noise_planet.noisemodelling.propagation.cnossos.CnossosPathBuilder

public class CnossosPathBuilder
extends Object

Generate a CnossosPath from a vertical cut plane data

Field Summary

Fields

Modifier and Type	Field	Description
static double	ALPHA0

Constructor Summary

Constructors

Constructor	Description
CnossosPathBuilder()

Method Summary

Modifier and Type	Method	Description
static CnossosPath	computeCnossosPathFromCutProfile(CutProfile cutProfile, boolean bodyBarrier, List<Double> exactFrequencyArray, double gS, boolean favourable)	Given the vertical cut profile (can be a single plane or multiple like a folding panel) return the ray path following Cnossos specification, or null if there is no valid path.
static List<CnossosPath>	computeCnossosPathsFromCutProfile(CutProfile cutProfile, boolean bodyBarrier, List<Double> exactFrequencyArray, double gS)	Given the vertical cut profile (can be a single plane or multiple like a folding panel) return the multiple contribution ray paths following Cnossos specification, or empty if there is no valid path.
static void	computeRayleighDiff(SegmentPath srSeg, CutProfile cutProfile, CnossosPath pathParameters, org.locationtech.jts.geom.LineSegment dSR, List<SegmentPath> segments, List<PointPath> points, List<org.locationtech.jts.geom.Coordinate> pts2D, org.locationtech.jts.geom.Coordinate[] pts2DGround, List<Integer> cut2DGroundIndex, List<Double> exactFrequencyArray)
static SegmentPath	computeSegment(org.locationtech.jts.geom.Coordinate src, org.locationtech.jts.geom.Coordinate rcv, double[] meanPlane)	Compute the segment path
static SegmentPath	computeSegment(org.locationtech.jts.geom.Coordinate src, org.locationtech.jts.geom.Coordinate rcv, double[] meanPlane, double gPath, double gS)	Compute the segment path with more attribute

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ALPHA0

public static final double ALPHA0

See Also:

Constant Field Values

Constructor Detail

CnossosPathBuilder

public CnossosPathBuilder()

Method Detail

computeRayleighDiff

public static void computeRayleighDiff(SegmentPath srSeg,
                                       CutProfile cutProfile,
                                       CnossosPath pathParameters,
                                       org.locationtech.jts.geom.LineSegment dSR,
                                       List<SegmentPath> segments,
                                       List<PointPath> points,
                                       List<org.locationtech.jts.geom.Coordinate> pts2D,
                                       org.locationtech.jts.geom.Coordinate[] pts2DGround,
                                       List<Integer> cut2DGroundIndex,
                                       List<Double> exactFrequencyArray)

computeSegment

public static SegmentPath computeSegment(org.locationtech.jts.geom.Coordinate src,
                                         org.locationtech.jts.geom.Coordinate rcv,
                                         double[] meanPlane)

Compute the segment path

Parameters:

src - source coordinate

rcv - receiver coordinate

meanPlane - mean plane coefficients

Returns:

the calculated segment

computeSegment

public static SegmentPath computeSegment(org.locationtech.jts.geom.Coordinate src,
                                         org.locationtech.jts.geom.Coordinate rcv,
                                         double[] meanPlane,
                                         double gPath,
                                         double gS)

Compute the segment path with more attribute

Parameters:

src - source coordinate

rcv - receiver coordinate

meanPlane - mean plane coefficients

gPath - ground factor of the path

gS - ground factor of the source

Returns:

the computed segment path

computeCnossosPathsFromCutProfile

public static List<CnossosPath> computeCnossosPathsFromCutProfile(CutProfile cutProfile,
                                                                  boolean bodyBarrier,
                                                                  List<Double> exactFrequencyArray,
                                                                  double gS)

Given the vertical cut profile (can be a single plane or multiple like a folding panel) return the multiple contribution ray paths following Cnossos specification, or empty if there is no valid path.

Parameters:

cutProfile - Vertical cut of a domain

bodyBarrier - True if there is a body barrier on the path

exactFrequencyArray - Expected frequencies

gS - Ground factor of the source area

Returns:

The cnossos path or null

computeCnossosPathFromCutProfile

public static CnossosPath computeCnossosPathFromCutProfile(CutProfile cutProfile,
                                                           boolean bodyBarrier,
                                                           List<Double> exactFrequencyArray,
                                                           double gS,
                                                           boolean favourable)

Given the vertical cut profile (can be a single plane or multiple like a folding panel) return the ray path following Cnossos specification, or null if there is no valid path.

Parameters:

cutProfile - Vertical cut of a domain

bodyBarrier - True if there is a body barrier on the path

exactFrequencyArray - Expected frequencies

gS - Ground factor of the source area

favourable - Compute the favourable contribution for the provided profile

Returns:

The cnossos path or null