eclipse-sailing-analytics/sailing-analytics
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removed little jumping of compass needle

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Alexander Ries committed 2014-12-14 17:27:32 +11:00
1 parent fb300c8a8a
commit fc9d70d3ba
2 files changed
+9 -3
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java/com.sap.sailing.dashboards.gwt/src/main/java/com/sap/sailing/dashboards/gwt/client/windchart/compass/LocationPointerCompass.java
+1
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@@ -1,6 +1,7 @@
package com.sap.sailing.dashboards.gwt.client.windchart.compass;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Image;
java/com.sap.sailing.dashboards.gwt/src/main/java/com/sap/sailing/dashboards/gwt/client/windchart/compass/LocationPointerCompassAngleDistance.java
+8 -3
View File
@@ -33,7 +33,7 @@ public class LocationPointerCompassAngleDistance implements LocationListener, Co
* compass events from the device.
* */
private double angle;
private double compassHeading;
private static Double degreesToRadiansFactor = Math.PI / 180.0;
public LocationPointerCompassAngleDistance() {
@@ -96,11 +96,16 @@ public class LocationPointerCompassAngleDistance implements LocationListener, Co
private void calulateNewAngleAndDistance() {
angle = getAngleBetweenGPSPoints(latDevice, lonDevice, latBot, lonBot);
double distance = getDistanceBetweenGPSPoints(latDevice, lonDevice, latBot, lonBot);
notifyListenerAboutAngleAndDistanceChange(angle, distance);
notifyListenerAboutAngleAndDistanceChange(calulateNewAngleFromPositionAngleAndCompassHeading(this.angle, this.compassHeading), distance);
}
@Override
public void compassHeadingChanged(double compassHeading) {
this.compassHeading = compassHeading;
notifyListenerAboutAngleChange(calulateNewAngleFromPositionAngleAndCompassHeading(this.angle, this.compassHeading));
}
private double calulateNewAngleFromPositionAngleAndCompassHeading(double positionAngle, double compassAngle){
double compassWidgetAngle;
if (compassHeading > angle) {
compassWidgetAngle = 360 + (angle - compassHeading);
@@ -108,7 +113,7 @@ public class LocationPointerCompassAngleDistance implements LocationListener, Co
compassWidgetAngle = angle - compassHeading;
}
compassWidgetAngle = compassWidgetAngle % 360;
notifyListenerAboutAngleChange(compassWidgetAngle);
return compassWidgetAngle;
}
@Override