private void executeSelecting() {
		System.out.println("selecting");
		Coordinate coordinate = sphereConverter.giveMouseCoordinates(mouseCoordinateX, mouseCoordinateY);
		if (coordinate.giveLatitude() >= -90 && coordinate.giveLongitude() <= 90) {
			sphereConverter.setCenterCoordinate(coordinate);
			repaint();
		}
	}