001/*
002*   Airfoil -- The interface in common to all airfoil type objects.
003*
004*   Copyright (C) 2000-2010 by Joseph A. Huwaldt
005*   All rights reserved.
006*   
007*   This library is free software; you can redistribute it and/or
008*   modify it under the terms of the GNU Lesser General Public
009*   License as published by the Free Software Foundation; either
010*   version 2.1 of the License, or (at your option) any later version.
011*   
012*   This library is distributed in the hope that it will be useful,
013*   but WITHOUT ANY WARRANTY; without even the implied warranty of
014*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015*   Lesser General Public License for more details.
016*
017*   You should have received a copy of the GNU Lesser General Public License
018*   along with this program; if not, write to the Free Software
019*   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
020*   Or visit:  http://www.gnu.org/licenses/lgpl.html
021**/
022package jahuwaldt.aero.airfoils;
023
024import java.util.List;
025import java.awt.geom.Point2D;
026
027
028/**
029*  Defines the interface in common to all airfoil type objects.
030*
031*  <p>  Modified by:  Joseph A. Huwaldt  </p>
032*
033*  @author  Joseph A. Huwaldt   Date:  October 8, 2000
034*  @version May 13, 2010
035**/
036public interface Airfoil extends java.io.Serializable {
037
038        /**
039        *  Returns a list of points containing the abscissas (X coordinate) and
040        *  ordinates (Y coordinate) of the points defining the upper surface of the airfoil.
041        **/
042        public List<Point2D> getUpper();
043        
044        /**
045        *  Returns a list of points containing the abscissas (X coordinate) and
046        *  ordinates (Y coordinate) of the points defining the lower surface of the airfoil.
047        **/
048        public List<Point2D> getLower();
049        
050        /**
051        *  Returns a list of points containing the camber line of the airfoil.
052        **/
053        public List<Point2D> getCamber();
054        
055        /**
056        *  Returns a list containing the slope (dy/dx) of the upper
057        *  surface of the airfoil at each ordinate.
058        **/
059        public List<Double> getUpperYp();
060        
061        /**
062        *  Returns a list containing the slope (dy/dx) of the lower
063        *  surface of the airfoil at each ordinate.
064        **/
065        public List<Double> getLowerYp();
066        
067}
068