From b2218270e02c6ad1ab94893a12350fccb4c3eebe Mon Sep 17 00:00:00 2001
From: "Christopher Ronnewinkel (D036654)" <christopher.ronnewinkel@sap.com>
Date: Thu, 3 Apr 2014 20:48:47 +0200
Subject: [PATCH] fix updating time-panel; balance boundaries for random
 position of particles;

---
 .../com/sap/sailing/gwt/ui/simulator/SimulatorMap.java    | 3 ++-
 java/com.sap.sailing.gwt.ui/wind-streamlets.js            | 8 ++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/SimulatorMap.java b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/SimulatorMap.java
index 44236a27ac5..400f6eec144 100644
--- a/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/SimulatorMap.java
+++ b/java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/simulator/SimulatorMap.java
@@ -209,6 +209,7 @@ public class SimulatorMap extends AbsolutePanel implements RequiresDataInitializ
             if (timePanel != null) {
                 timePanel.setMinMax(new Date(startTime), new Date(startTime + maxDurationTime), true);
                 timePanel.resetTimeSlider();
+                timePanel.timeChanged(windParams.getStartTime(), null);
             }
 
             /**
@@ -636,7 +637,7 @@ public class SimulatorMap extends AbsolutePanel implements RequiresDataInitializ
                 }
                 timePanel.setMinMax(windParams.getStartTime(), windParams.getEndTime(), true);
                 timePanel.resetTimeSlider();
-                //timer.setTime(windParams.getStartTime().getTime());
+                timePanel.timeChanged(windParams.getStartTime(), null);
 
                 busyIndicator.setBusy(false);
             }
diff --git a/java/com.sap.sailing.gwt.ui/wind-streamlets.js b/java/com.sap.sailing.gwt.ui/wind-streamlets.js
index 186773b8cf4..4e2e7dd0b86 100644
--- a/java/com.sap.sailing.gwt.ui/wind-streamlets.js
+++ b/java/com.sap.sailing.gwt.ui/wind-streamlets.js
@@ -147,6 +147,10 @@ var VectorField = function(data) {
 	this.rcEnd = data.rcEnd;
 	this.resY = data.resY;
 	this.resX = data.resX;
+	this.bdXi = 1.0 / 2.0 / (this.resY - 1);
+	this.bdPhi = 1.0 + 2*this.bdXi;
+	this.bdA = { lat:this.rcEnd.lat+(this.rcEnd.lat-this.rcStart.lat)*this.bdXi, lng:this.rcEnd.lng+(this.rcEnd.lng-this.rcStart.lng)*this.bdXi };
+	this.bdB = { lat:(this.rcStart.lat-this.rcEnd.lat)*this.bdPhi, lng:(this.rcStart.lng-this.rcEnd.lng)*this.bdPhi };
 	this.xScale = data.xScale;
 	this.x0 = data.boundsSW.lng;
 	this.x1 = data.boundsNE.lng;
@@ -177,8 +181,8 @@ var VectorField = function(data) {
 VectorField.prototype.getRandomPosition = function() {
 	var rndY = Math.random();
 	var rndX = Math.random() - 0.5;
-	var latP = rndY * this.rcStart.lat + (1.0 - rndY) * this.rcEnd.lat + rndX * this.gvX.lat;
-	var lngP = rndY * this.rcStart.lng + (1.0 - rndY) * this.rcEnd.lng + rndX * this.gvX.lng;
+	var latP = this.bdA.lat + rndY * this.bdB.lat + rndX * this.gvX.lat;
+	var lngP = this.bdA.lng + rndY * this.bdB.lng + rndX * this.gvX.lng;
 	return {lat:latP, lng:lngP};
 };