public int getUnknownCameraCount() {
		int total = 0;
		for (int i = 0; i < cameras.length; i++) {
			if( !cameras[i].known) {
				total++;
			}
		}
		return total;
	}
public int getUnknownCameraCount ( ) { int total = 0 ; for ( int i = 0 ; i < cameras . length ; i ++ ) { if ( ! cameras [ i ] . known ) { total ++ ; } } return total ; }
Returns the number of cameras with parameters that are not fixed
@return non-fixed camera count