public void removeVertex(int i) {
        this.x.remove(i);
        this.y.remove(i);
        this.z.remove(i);
        this.colors.remove(i);
        calcG();
    }
public void removeVertex ( int i ) { this . x . remove ( i ) ; this . y . remove ( i ) ; this . z . remove ( i ) ; this . colors . remove ( i ) ; calcG ( ) ; }
Removes the point from Lines.

@param i The index number of the point.