mlPlane.h

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/*************************************************************************************
**
** Copyright 2010, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef ML_PLANE_H
#define ML_PLANE_H

 
#include "mlLinearAlgebraSystem.h"
#include "mlVector3.h"
 
ML_LA_START_NAMESPACE

  class Line;
 
  //----------------------------------------------------------------------------
  //----------------------------------------------------------------------------
  class ML_LINEAR_ALGEBRA_EXPORT Plane
  {
 
  public:

    Plane();

    Plane(const Vector3& normal, MLdouble distance);

    Plane(const Vector3& p0, const Vector3& p1, const Vector3& p2);

    Plane(const Vector3& normal, const Vector3& point);

    Vector3 getClosestPoint(const Vector3 &point) const;

    bool intersect(const Line& l, Vector3& intersection) const;

    bool isInHalfSpace(const Vector3& point) const;

    MLdouble getDistance(const Vector3 &point) const;

    const Vector3& getNormal() const;

    bool setNormal(const Vector3 &n);

    void setDistance(double d);

    inline MLdouble getDistanceFromOrigin() const { return _distance; }

    MLSign edgeIntersect(const Vector3 &v1,
                         const Vector3 &v2,
                         Vector3 &intersectPos) const;
  private:
    MLdouble _distance;

    Vector3  _normal;
  };
 
ML_LA_END_NAMESPACE
 
#endif // __mlPlane_H