public void setLatLonCenterMapArea ( double lat , double lon ) { ProjectionPoint center = project . latLonToProj ( lat , lon ) ; ProjectionRect ma = getMapArea ( ) ; ma . setX ( center . getX ( ) - ma . getWidth ( ) / 2 ) ; ma . setY ( center . getY ( ) - ma . getHeight ( ) / 2 ) ; setMapArea ( ma ) ; }
set the center point of the MapArea