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C++ TVector3::RotateX方法代码示例

本文整理汇总了C++中TVector3::RotateX方法的典型用法代码示例。如果您正苦于以下问题:C++ TVector3::RotateX方法的具体用法?C++ TVector3::RotateX怎么用?C++ TVector3::RotateX使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TVector3的用法示例。


在下文中一共展示了TVector3::RotateX方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: rotate_3vector

void rotate_3vector(void){

  PI = TMath::Pi();

  TVector3 beam = TVector3(0.,0.,1.);
  TVector3 scat = TVector3(0.2,0.4,1.);
  std::cout << "beam x : " << beam.x() << std::endl;
  std::cout << "beam y : " << beam.y() << std::endl;
  std::cout << "beam z : " << beam.z() << std::endl;
  std::cout << "scat x : " << scat.x() << std::endl;
  std::cout << "scat y : " << scat.y() << std::endl;
  std::cout << "scat z : " << scat.z() << std::endl;

  double bx=beam.x();
  double by=beam.y();
  double bz=beam.z();
  double sx=scat.x();
  double sy=scat.y();
  double sz=scat.z();

  double theta  = acos((bx*sx + by*sy + bz*sz)/sqrt(bx*bx + by*by + bz*bz)/sqrt(sx*sx + sy*sy + sz*sz));
  double theta_ = acos(sz/sqrt(sx*sx+sy*sy+sz*sz));

  std::cout << "theta  : " << theta  << std::endl;
  std::cout << "theta_ : " << theta_ << std::endl;

  TVector3 beam2 = TVector3(0, 1, 0);
  double bx2=beam2.x();
  double by2=beam2.y();
  double bz2=beam2.z();

  std::cout << "beam2 x (nom) : " << beam2.x()/sqrt(bx2*bx2+by2*by2+bz2*bz2) << std::endl;
  std::cout << "beam2 y (nom) : " << beam2.y()/sqrt(bx2*bx2+by2*by2+bz2*bz2) << std::endl;
  std::cout << "beam2 z (nom) : " << beam2.z()/sqrt(bx2*bx2+by2*by2+bz2*bz2) << std::endl;

  double theta_tmp  = - atan(by2/sqrt(bx2*bx2 + bz2*bz2));
  double phi_tmp    = atan2(bx2, bz2);

  std::cout << "theta_tmp  : " << theta_tmp  << std::endl;
  std::cout << "phi_tmp  : " << phi_tmp  << std::endl;

  beam.RotateX(theta_tmp);
  beam.RotateY(phi_tmp);

  scat.RotateX(theta_tmp);
  scat.RotateY(phi_tmp);

  bx=beam.x();
  by=beam.y();
  bz=beam.z();
  sx=scat.x();
  sy=scat.y();
  sz=scat.z();

  std::cout << "roteta beam x : " << bx << std::endl;
  std::cout << "roteta beam y : " << by << std::endl;
  std::cout << "roteta beam z : " << bz << std::endl;
  std::cout << "roteta scat x : " << sx << std::endl;
  std::cout << "roteta scat y : " << sy << std::endl;
  std::cout << "roteta scat z : " << sz << std::endl;


  double theta_rotate  = acos((bx*sx + by*sy + bz*sz)/sqrt(bx*bx + by*by + bz*bz)/sqrt(sx*sx + sy*sy + sz*sz));

  std::cout << "===========================" << std::endl;
  std::cout << "theta         : " << theta  << std::endl;
  std::cout << "theta_rotate  : " << theta_rotate  << std::endl;

}
开发者ID:ekawa,项目名称:test,代码行数:69,代码来源:rotate_3vector.c


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