planetest Class Reference

Testing plane class. More...

#include <planetest.h>

List of all members.

Static Public Member Functions
static void	test01 (int argc, char **argv)
	Construct a plane through three points.
static void	test02 (int argc, char **argv)
	Intersection of two planes.
static void	test03 (int argc, char **argv)
	Given input file with planes write output file with intersecting line.

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Detailed Description

Testing plane class.

Definition at line 8 of file planetest.h.

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Member Function Documentation

void planetest::test01	(	int	argc,
		char **	argv
	)			[static]

Construct a plane through three points.

Definition at line 11 of file planetest.cpp.

References commandline::mapvar(), SHOW, point3< T >::x, point3< T >::y, and point3< T >::z.

Referenced by main().

{

  point3<double> p0(1.0,0.0,0.0);
  point3<double> p1(2.0,-3.0,1.0);
  point3<double> p2(0.0,-2.0,0.0);

  commandline cmd(argc,argv);

  cmd.mapvar(p0.x,"p0.x");
  cmd.mapvar(p0.y,"p0.y");
  cmd.mapvar(p0.z,"p0.z");
  cmd.mapvar(p1.x,"p1.x");
  cmd.mapvar(p1.y,"p1.y");
  cmd.mapvar(p1.z,"p1.z");
  cmd.mapvar(p2.x,"p2.x");
  cmd.mapvar(p2.y,"p2.y");
  cmd.mapvar(p2.z,"p2.z");

  cout << SHOW(p0) << endl;
  cout << SHOW(p1) << endl;
  cout << SHOW(p2) << endl;

  bool valid;
  plane p(valid,p0,p1,p2);

  cout << SHOW(valid) << endl;

  cout << (string)p << endl;

}

void planetest::test02	(	int	argc,
		char **	argv
	)			[static]

Intersection of two planes.

Definition at line 43 of file planetest.cpp.

References plane::intersects(), plane::isPointOnPlane(), and SHOW.

Referenced by main().

{
  cout << "Solve Plane to Plane Intersection." << endl;

  plane P1( point3<double>(0.0,0.0,1.0), 1.0 );
  plane P2( point3<double>(0.0,1.0,0.0), 0.0 );

  cout << "P1: " << (string)P1 << endl;
  cout << "P2: " << (string)P2 << endl;

  point3<double> A;
  point3<double> B;

  cout << SHOW(P1.intersects(A,B,P2)) << endl;
  cout << SHOW(A) << endl;
  cout << SHOW(B) << endl;
  cout << "(" << A << ") + (" << B << ")t" << endl;

  cout << "Is a point on the line also on the plane?" << endl;
  cout << "Enter t:  ";
  double t;
  cin >> t;
  point3<double> p = A + B*t;
  cout << SHOW(p) << endl;
  cout << SHOW(P1.isPointOnPlane(p)) <<endl;
  cout << SHOW(P2.isPointOnPlane(p)) <<endl;
}

void planetest::test03	(	int	argc,
		char **	argv
	)			[static]

Given input file with planes write output file with intersecting line.

  Example 
      $./main ... in=file1.txt out=file2.txt

  File Format
      Input file
      P1.x P1.y P1.z P1.d
      P2.x P2.y P2.z P2.d
      Output file
      0 or 1
      A.x A.y A.z
      B.x B.y B.z

Definition at line 71 of file planetest.cpp.

References plane::intersects(), plane::isPointOnPlane(), commandline::mapvar(), SHOW, point3< T >::x, point3< T >::y, and point3< T >::z.

Referenced by main().

{
  commandline cmd(argc,argv);

  string in;
  string out; 

  cmd.mapvar(in,"in");
  if (in.empty())
  {
    cout << "error: in=filename1 out=filename2 expected" << endl;
    return;
  }

  ifstream filein(in.c_str());
  assert(filein.good()==true);
  if (filein.good()==false)
    return;

/*
  ofstream fileout(out.c_str());
  assert(fileout.good()==true);
  if (fileout.good()==false)
    return;
*/

  point3<double> nml;
  double d;

  filein >> nml.x;
  filein >> nml.y;
  filein >> nml.z;
  filein >> d;

  plane P1(nml,d);

  filein >> nml.x;
  filein >> nml.y;
  filein >> nml.z;
  filein >> d;

  plane P2(nml,d);

  //cout << SHOW(nml) << endl;
  //cout << SHOW(d) << endl;
  
  point3<double> A;
  point3<double> B;

  cout << "P1: " << (stringc)P1 << endl;
  cout << "P2: " << (stringc)P2 << endl;

  bool res = P1.intersects(A,B,P2);
  cout << SHOW(res) << endl;

  cout << "(" << A << ") + (" << B << ")t" << endl;

  cout << SHOW(A) << endl;
  cout << SHOW(A+B) << endl;
  cout << SHOW(P1.isPointOnPlane(A)) << endl;
  cout << SHOW(P1.isPointOnPlane(A+B)) << endl;
  cout << SHOW(P2.isPointOnPlane(A)) << endl;
  cout << SHOW(P2.isPointOnPlane(A+B)) << endl;



/*
  if (res==true)
  {
    fileout << "1" << endl;
    fileout << A << endl;
    fileout << B << endl;
  }
  else
  {
    fileout << "0" << endl;
  }
*/

}

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The documentation for this class was generated from the following files:

• mathlib/planetest.h
• mathlib/planetest.cpp