Added angularStepSize property

CPS/config/CpsNamespace.properties

 ABOVE_ELEMENT=above
+ANGULAR_STEP_SIZE_NODE=angularStepSize
 BACKGROUND_NODE=background
 BELOW_ELEMENT=below
 BLINK_ON_OUT_OF_RANGE_NODE=blinkOnOutOfRange

CPS/src/lu/list/itis/dkd/tui/utility/CpsNamespace.java

@@ -27,6 +27,8 @@ public class CpsNamespace extends NLS {
     private static final String BUNDLE_NAME = "CpsNamespace"; //$NON-NLS-1$
 
     public static String ABOVE_ELEMENT;
+    public static String ANGULAR_STEP_SIZE_NODE;
+
     public static String BACKGROUND_NODE;
     public static String BELOW_ELEMENT;
     public static String BLINK_ON_OUT_OF_RANGE_NODE;

CPS/src/lu/list/itis/dkd/tui/widget/PositionWidget.java

@@ -50,6 +50,7 @@ public class PositionWidget extends PointingWidget implements InformationProvide
     protected boolean trackRotationContinuously;
     protected boolean trackTranslationContinuously;
     protected double stepSize;
+    protected double angularStepSize;
 
     // ***************************************************************************
     // * Constants *
@@ -80,6 +81,7 @@ public class PositionWidget extends PointingWidget implements InformationProvide
         this.trackRotationContinuously = builder.trackRotationContinuously;
         this.trackTranslationContinuously = builder.trackTranslationContinuously;
         this.stepSize = builder.stepSize;
+        this.angularStepSize = builder.angularStepSize;
     }
 
     // ---------------------------------------------------------------------------
@@ -114,7 +116,12 @@ public class PositionWidget extends PointingWidget implements InformationProvide
 
                 if (modifyValueOnRotation && (!continuous || trackRotationContinuously)) {
                     newPosition.setRotationDirection(convertDirection(direction));
-                    doUpdate |= true;
+                    if (!Double.isNaN(this.angularStepSize)) {
+                        double rotation = Math.abs(position.getAngle() - newPosition.getAngle());
+                        doUpdate |= (rotation >= this.angularStepSize);
+                    } else {
+                        doUpdate |= true;
+                    }
                 }
                 if (modifyValueOnTranslation && (!continuous || trackTranslationContinuously)) {
 

CPS/src/lu/list/itis/dkd/tui/widget/builder/BasePositionWidgetBuilder.java

@@ -33,6 +33,7 @@ public abstract class BasePositionWidgetBuilder<B extends BasePositionWidgetBuil
     public boolean trackRotationContinuously;
     public boolean trackTranslationContinuously;
     public double stepSize;
+    public double angularStepSize;
 
     // ***************************************************************************
     // * Constants *
@@ -44,7 +45,8 @@ public abstract class BasePositionWidgetBuilder<B extends BasePositionWidgetBuil
     // ***************************************************************************
     // ---------------------------------------------------------------------------
 
-    protected BasePositionWidgetBuilder() {}
+    protected BasePositionWidgetBuilder() {
+    }
 
     // ---------------------------------------------------------------------------
 
@@ -73,6 +75,7 @@ public abstract class BasePositionWidgetBuilder<B extends BasePositionWidgetBuil
         this.trackRotationContinuously = BootstrappingUtils.getContentAsBoolean(rootElement, CpsNamespace.TRACK_ROTATION_CONTINUOUSLY_NODE, BootstrappingUtils.OPTIONAL, false, context);
         this.trackTranslationContinuously = BootstrappingUtils.getContentAsBoolean(rootElement, CpsNamespace.TRACK_TRANSLATION_CONTINUOUSLY_NODE, BootstrappingUtils.OPTIONAL, false, context);
         this.stepSize = BootstrappingUtils.getContentAsDouble(rootElement, CpsNamespace.STEP_SIZE_NODE, BootstrappingUtils.OPTIONAL, Double.NaN, context);
+        this.angularStepSize = BootstrappingUtils.getContentAsRadians(rootElement, CpsNamespace.ANGULAR_STEP_SIZE_NODE, BootstrappingUtils.OPTIONAL, Double.NaN, context);
     }
 
     // ---------------------------------------------------------------------------