adapt streamlets in simulator to recent changes for spatial-wind; tune parameters; fix long-delay of streamlet-initialization; (reverted from commit d41fd00de4)

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/WindStreamletsRaceboardOverlay.java

@@ -106,11 +106,6 @@ public class WindStreamletsRaceboardOverlay extends FullCanvasOverlay {
     }
 
     private void scheduleWindDataRefresh() {
-        // initial update
-        updateWindSourcesToObserve();
-        updateWindField();
-        
-        // schedule delayed repeated updates
         scheduler.scheduleFixedPeriod(new RepeatingCommand() {
             @Override
             public boolean execute() {
@@ -151,12 +146,8 @@ public class WindStreamletsRaceboardOverlay extends FullCanvasOverlay {
                 windInfoForRace.raceIsKnownToStartUpwind = result.raceIsKnownToStartUpwind;
                 windInfoForRace.windSourcesToExclude = result.windSourcesToExclude;
                 for (Entry<WindSource, WindTrackInfoDTO> e : result.windTrackInfoByWindSource.entrySet()) {
-                            // generally exclude combined wind, course-based wind and racecommittee
-                            if (!windInfoForRace.windTrackInfoByWindSource.containsKey(e.getKey())
-                                    && !Util.contains(result.windSourcesToExclude, e.getKey())
-                                    && e.getKey().getType() != WindSourceType.COMBINED
-                                    && e.getKey().getType() != WindSourceType.COURSE_BASED
-                                    && e.getKey().getType() != WindSourceType.RACECOMMITTEE) {
+                    if (!windInfoForRace.windTrackInfoByWindSource.containsKey(e.getKey()) &&
+                            !Util.contains(result.windSourcesToExclude, e.getKey()) && e.getKey().getType() != WindSourceType.COMBINED) {
                         windInfoForRace.windTrackInfoByWindSource.put(e.getKey(), e.getValue());
                     }
                 }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/StreamletParameters.java

@@ -6,8 +6,8 @@ public class StreamletParameters {
     public double motionScale = 1.0;
     public double swarmScale = 1.0;
     public int detailZoom = 15;
-    public double lineScale = 1.0;
-    public double lineBase = 1.5;
+    public double lineScale = 0.1;
+    public double lineBase = 1.2;
     
     public StreamletParameters() {
     }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/WindStreamletsCanvasOverlay.java

@@ -74,7 +74,8 @@ public class WindStreamletsCanvasOverlay extends FullCanvasOverlay implements Ti
     }
 
     public void setWindField(final WindFieldDTO windFieldDTO) {
-        this.windFieldDTO = windFieldDTO;
+        this.windFieldDTO = windFieldDTO; 
+        this.swarm = null;
     }
 
     @Override

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/streamlets/SimulatorField.java

@@ -31,9 +31,9 @@ public class SimulatorField implements VectorField {
     private final Position bdC;
 
     private final double xScale;
-	private double motionFactor;
-	private double lineBase;
-	private double lineScale;
+    private double motionFactor;
+    private double lineBase;
+    private double lineScale;
     private final double maxLength;
     private final double particleFactor;
 
@@ -100,7 +100,7 @@ public class SimulatorField implements VectorField {
             }
         }
         this.maxLength = maxWindSpeed;
-        this.particleFactor = 2.0;
+        this.particleFactor = 1.0;
         final double latAvg = (this.rcEnd.getLatDeg() + this.rcStart.getLatDeg()) / 2.;
         this.lngScale = Math.cos(latAvg * Math.PI / 180.0);
         final double difLat = this.rcEnd.getLatDeg() - this.rcStart.getLatDeg();
@@ -151,7 +151,7 @@ public class SimulatorField implements VectorField {
                 + dataAtStep[idx.yTop][2 * idx.xBot + 1] * idx.yMod * (1 - idx.xMod)
                 + dataAtStep[idx.yBot][2 * idx.xTop + 1] * (1 - idx.yMod) * idx.xMod
                 + dataAtStep[idx.yTop][2 * idx.xTop + 1] * idx.yMod * idx.xMod;
-        return new Vector(avgX / this.lngScale, avgY);
+        return new Vector(avgX, avgY);
     }
 
     @Override