question: public void applyInterpolatedRadii ( ) { Assert . isTrue ( mapObjects != null ) ; Assert . isTrue ( mapObjects . size ( ) > 0 ) ; InternalMapObject min = null , max = null ; for ( InternalMapObject mapObject : mapObjects ) { if ( min == null || mapObject . getValue ( ) < min . getValue ( ) ) { min = mapObject ; } if ( max == null || mapObject . getValue ( ) > max . getValue ( ) ) { max = mapObject ; } } for ( InternalMapObject mapObject : mapObjects ) { double factor = ( mapObject . getValue ( ) - min . getValue ( ) ) / ( max . getValue ( ) - min . getValue ( ) ) ; int radius = MapUtils . lerp ( radiusLow , radiusHigh , factor ) ; mapObject . setRadius ( radius ) ; } }
target:  Interpolates the radii of this map layer's set of map objects according the highest and lowest values among them.