fetch ground coefficient

noisemodelling-pathfinder/src/main/java/org/noise_planet/noisemodelling/pathfinder/path/Scene.java

@@ -38,6 +38,7 @@ public class Scene {
     public static final double DEFAULT_RECEIVER_DIST = 1.0;
     public static final double DEFAULT_GS = 0.0;
     public static final double DEFAULT_G = 0.0;
+    public static final double DEFAULT_G_BUILDING = 0.0;
     public static final String YAW_DATABASE_FIELD = "YAW";
     public static final String PITCH_DATABASE_FIELD = "PITCH";
     public static final String ROLL_DATABASE_FIELD = "ROLL";

noisemodelling-pathfinder/src/main/java/org/noise_planet/noisemodelling/pathfinder/profilebuilder/CutPoint.java

@@ -18,24 +18,24 @@
 
 public  class CutPoint implements Comparable<CutPoint> {
     /** {@link Coordinate} of the cut point. */
-    Coordinate coordinate;
+    Coordinate coordinate = new Coordinate();
     /** Intersection type. */
     ProfileBuilder.IntersectionType type;
     /** Identifier of the cut element. */
-    int id;
+    int id = -1;
     /** Identifier of the building containing the point. -1 if no building. */
-    int buildingId;
+    int buildingId = -1;
     /** Identifier of the wall containing the point. -1 if no wall. */
-    int wallId;
+    int wallId = -1;
     /** Height of the building containing the point. NaN of no building. */
-    double height;
+    double height = Double.NaN;
     /** Topographic height of the point. */
     double zGround = Double.NaN;
     /** Ground effect coefficient. 0 if there is no coefficient. */
-    double groundCoef;
+    double groundCoef = Double.NaN;
     /** Wall alpha. NaN if there is no coefficient. */
     List<Double> wallAlpha = Collections.emptyList();
-    boolean corner;
+    boolean corner = false; //todo with horizontal plane diffraction rework: remove, replace with intersection type-> DIFFRACTION_POINT
 
     /**
      * Constructor using a {@link Coordinate}.
@@ -44,22 +44,16 @@ public  class CutPoint implements Comparable<CutPoint> {
      * @param id    Identifier of the cut element.
      */
     public CutPoint(Coordinate coord, ProfileBuilder.IntersectionType type, int id, boolean corner) {
-        this.coordinate = new Coordinate(coord.x, coord.y, coord.z);
+        this.coordinate = new Coordinate(coord);
         this.type = type;
         this.id = id;
-        this.buildingId = -1;
-        this.wallId = -1;
-        this.groundCoef = 0;
-        this.wallAlpha = new ArrayList<>();
-        this.height = 0;
         this.corner = corner;
     }
     public CutPoint(Coordinate coord, ProfileBuilder.IntersectionType type, int id) {
         this(coord, type, id, false);
     }
 
     public CutPoint() {
-        coordinate = new Coordinate();
     }
 
     /**

noisemodelling-pathfinder/src/main/java/org/noise_planet/noisemodelling/pathfinder/profilebuilder/CutProfile.java

@@ -110,20 +110,23 @@ public void addTopoCutPt(Coordinate coord, int id) {
 
     /**
      * In order to reduce the number of reallocation, reserve the provided points size
-     * @param numberOfPointsToBePushed
+     * @param numberOfPointsToBePushed Number of items to preallocate
      */
     public void reservePoints(int numberOfPointsToBePushed) {
         pts.ensureCapacity(pts.size() + numberOfPointsToBePushed);
     }
 
     /**
      * Add a ground effect cutting point.
-     * @param coord Coordinate of the cutting point.
+     * @param coordinate Coordinate of the cutting point.
      * @param id    Id of the cut topography.
      */
-    public void addGroundCutPt(Coordinate coord, int id) {
-        pts.add(new CutPoint(coord, ProfileBuilder.IntersectionType.GROUND_EFFECT, id));
+    public CutPoint addGroundCutPt(Coordinate coordinate, int id, double groundCoefficient) {
+        CutPoint pt = new CutPoint(coordinate, ProfileBuilder.IntersectionType.GROUND_EFFECT, id);
+        pt.setGroundCoef(groundCoefficient);
+        pts.add(pt);
         hasGroundEffectInter = true;
+        return pt;
     }
 
     /**