pointtool.h

another source code for reduced basis

/*
A fast and simple stretch-minimizing mesh parameterization C++ code
Copyright:(c) Shin Yoshizawa, 2004
E-mail: [e-mail]
URL: http://www.mpi-sb.mpg.de/~shin
Affiliation: Max-Planck-Institut fuer Informatik: Computer Graphics Group 
 Stuhlsatzenhausweg 85, 66123 Saarbruecken, Germany
 Phone [phone] Fax [phone] 

 All right is reserved by Shin Yoshizawa.
This C++ sources are allowed for only primary user of 
research and educational purposes. Don't use secondary: copy, distribution, 
diversion, business purpose, and etc.. 
 */
class Point3d;
class Point2d;

class PointTool{
 public:
  Point3d *ddv1;
  Point3d *ddv2;
  Point3d *ddv3;
  Point2d *uij;
  Point2d *vij;

  PointTool(){
    ddv1 = new Point3d(0.0,0.0,0.0);
    ddv2 = new Point3d(0.0,0.0,0.0);
    ddv3 = new Point3d(0.0,0.0,0.0);
    uij = new Point2d(0.0,0.0);
    vij = new Point2d(0.0,0.0);
    
  }
  virtual ~PointTool(){
    delete ddv1;
    delete ddv2;
    delete ddv3;
    delete uij;
    delete vij;
  }
 private:
  
  PointTool(const PointTool& rhs);
  const PointTool &operator=(const PointTool& rhs);
 public:
  
  double PointTool::getArea(Point3d* dv1,Point3d* dv2,Point3d* dv3);
    
  void PointTool::Normalize3D(Point3d* inout);
  void PointTool::Normalize2D(Point2d* inout);
  
  double PointTool::Point2DSize(Point2d *dv);
  double PointTool::Point2DSize(double d1x,double d1y,double d2x,double d2y);
  double PointTool::Point2DSizeSq(double d1x,double d1y,double d2x,double d2y);
  double PointTool::Distance(Point3d *in1,Point3d *in2);
  double PointTool::getAlphaT(Point2d *dv,double ax,double ay,double bx,double by,double cx,double cy);
  void PointTool::makeVector(Point3d *out,Point3d *in1,Point3d *in2);
  void PointTool::CrossVector(Point3d *out,Point3d *in1,Point3d *in2);
  double PointTool::InnerProduct(Point3d *in1,Point3d *in2);
  double PointTool::InnerProduct(Point2d *in1,Point2d *in2);
  
  double PointTool::Point3dSize(Point3d *in);
  
  int PointTool::getBraycentricC(Point3d *evaluation,Point3d *baryparam,Point3d *v1,Point3d *v2,Point3d *v3, Point3d **bc);
   
  void PointTool::setCenter(Point3d *out,Point3d *in1,Point3d *in2,Point3d *in3);
 
  void PointTool::setParametricDs(Point3d *out,Point3d *q1,Point3d *q2,Point3d *q3,double t1,double t2,double t3,double A);
  void PointTool::setParametricDt(Point3d *out,Point3d *q1,Point3d *q2,Point3d *q3,double s1,double s2,double s3,double A);

 

  double PointTool::getParametricA(double t1,double t2,double t3,double s1,double s2,double s3);
  void PointTool::ScalarVector(Point3d *out,double dv,Point3d *in);
 
  double PointTool::getS(Point2d *v0,Point2d *v1,Point2d *v2);
  
  
  void PointTool::setC(double *out,Point2d *v1,Point2d *v2,Point2d *v3,Point2d *v4);
 


};