- setPreferenceProperty( ballSize, "min", 1 );
- setPreferenceProperty( ballSize, "max", 10 );
+ // setPreferenceProperty( ballSize, "min", 1 );
+ // setPreferenceProperty( ballSize, "max", 10 );
+
+ setPreferenceProperty( ballDiameter, "min", 1e-7 );
+ setPreferenceProperty( ballDiameter, "max", 1e9 );
+ setPreferenceProperty( ballDiameter, "step", 0.1 );