JPolyline3D.cc File Reference

Example program for the JGEOMETRY::JPolyline3D class. More...

#include <iostream>
#include <fstream>
#include "JGeometry3D/JPolyline3D.hh"

Go to the source code of this file.

Functions
void	printPolyline (const JPolyline3D &pl)
int	main (int argc, char **argv)

Detailed Description

Example program for the JGEOMETRY::JPolyline3D class.

Author

mjongen

Definition in file JPolyline3D.cc.

Function Documentation

void printPolyline ( const JPolyline3D &  pl )

inline

Definition at line 8 of file JPolyline3D.cc.

                                                 {
  for (int i=0; i<(int)pl.size()-1; ++i) {
    cout << "(" << pl[i] << ")-" ;
  }
  if (pl.size() > 0) {
    cout << "(" << pl.back() << ")";
  }
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 23 of file JPolyline3D.cc.

                                  {
  // create a polyline with three vertices
  JPolyline3D pl(3) ;

  // set vertex positions
  pl[0] = JGEOMETRY3D::JVector3D(1,0,0) ;
  pl[1] = JGEOMETRY3D::JVector3D(0,1,0) ;
  pl[2] = JGEOMETRY3D::JVector3D(0,0,1) ;

  // print vertex positions
  cout << "Initial polyline: " << endl ;
  printPolyline(pl) ;
  cout << endl ;

  // create rotation around the z-axis
  JRotation3Z R( 0.5*M_PI ) ;

  // rotate
  pl.rotate(R) ;
  cout << "After a 90 degree rotation around the z-axis:" << endl ;
  printPolyline(pl) ;
  cout << endl ;

  // rotate back
  pl.rotate_back(R) ;
  cout << "After rotating back:" << endl ;
  printPolyline(pl) ;
  cout << endl ;

  cout << endl ;
  cout << "Done!" << endl ;

  return 0 ;
}