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PCA: cleanup examples and little fix

This commit is contained in:
Pierre Alliez 2008-01-19 19:57:18 +00:00
parent 635a146e07
commit 049d70ad6f
11 changed files with 160 additions and 127 deletions
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30
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_circles_2.cpp
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@ -1,31 +1,27 @@
// Example program for the linear_least_square_fitting function on a set of circles in 2D
// Example program for linear least squares fitting of 2D circles
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_2.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_2 Line_2;
typedef K::Point_2 Point_2;
typedef K::Circle_2 Circle_2;
typedef K::Line_2 Line;
typedef K::Point_2 Point;
typedef K::Circle_2 Circle;
int main()
{
std::list<Circle_2> circles;
circles.push_back(Circle_2(Point_2(0.0,0.0),9));
circles.push_back(Circle_2(Point_2(0.0,10.0),49));
circles.push_back(Circle_2(Point_2(10.0,0.0),49));
// generate a set of 2D circles
std::list<Circle> circles;
circles.push_back(Circle(Point(1.0,2.0),16.0));
circles.push_back(Circle(Point(3.0,4.0),25.0));
Line_2 line;
Point_2 c;
// fit line to circles
Line line;
linear_least_squares_fitting_2(circles.begin(),circles.end(),line,CGAL::PCA_dimension_1_tag());
// fit circles
linear_least_squares_fitting_2(circles.begin(),circles.end(),line,c,CGAL::PCA_dimension_1_tag());
// fit disks
linear_least_squares_fitting_2(circles.begin(),circles.end(),line,c,CGAL::PCA_dimension_2_tag());
// fit line to disks
linear_least_squares_fitting_2(circles.begin(),circles.end(),line,CGAL::PCA_dimension_2_tag());
return 0;
}

33
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_cuboids_3.cpp
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@ -1,40 +1,41 @@
// Example program for the linear_least_square_fitting function on set of cuboids in 3D
// Example program for linear least squares fitting of 3D cuboids
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_3.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_3 Line_3;
typedef K::Plane_3 Plane_3;
typedef K::Point_3 Point_3;
typedef K::Iso_cuboid_3 Iso_cuboid_3;
typedef K::Line_3 Line;
typedef K::Plane_3 Plane;
typedef K::Point_3 Point;
typedef K::Iso_cuboid_3 Iso_cuboid;
int main()
{
std::list<Iso_cuboid_3> cuboids;
cuboids.push_back(Iso_cuboid_3(Point_3(0.0,0.0,0.0),Point_3(1.0,1.0,1.0)));
cuboids.push_back(Iso_cuboid_3(Point_3(1.0,1.0,1.0),Point_3(6.0,6.0,6.0)));
std::list<Iso_cuboid> cuboids;
Point a(1.0,2.0,3.0);
Point b(4.0,5.0,6.0);
Point c(7.0,8.0,9.0);
cuboids.push_back(Iso_cuboid(a,b));
cuboids.push_back(Iso_cuboid(a,c));
Line_3 line;
Plane_3 plane;
Line line;
Plane plane;
// fit volume
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line,CGAL::PCA_dimension_3_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line, CGAL::PCA_dimension_3_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),plane,CGAL::PCA_dimension_3_tag());
// fit faces
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line,CGAL::PCA_dimension_2_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line, CGAL::PCA_dimension_2_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),plane,CGAL::PCA_dimension_2_tag());
// fit edges
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line,CGAL::PCA_dimension_1_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line, CGAL::PCA_dimension_1_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),plane,CGAL::PCA_dimension_1_tag());
// fit vertices
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line,CGAL::PCA_dimension_0_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),line, CGAL::PCA_dimension_0_tag());
linear_least_squares_fitting_3(cuboids.begin(),cuboids.end(),plane,CGAL::PCA_dimension_0_tag());
return 0;

19
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_points_2.cpp
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@ -1,23 +1,22 @@
// Example program for the linear_least_square_fitting function on set of points in 2D
// Example program for linear least squares fitting of a 2D point set
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_2.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_2 Line_2;
typedef K::Point_2 Point_2;
typedef K::Line_2 Line;
typedef K::Point_2 Point;
int main()
{
std::list<Point_2> points;
points.push_back(Point_2(1.0,0.0));
points.push_back(Point_2(2.0,0.0));
points.push_back(Point_2(3.0,0.0));
std::list<Point> points;
points.push_back(Point(1.0,2.0));
points.push_back(Point(3.0,4.0));
points.push_back(Point(5.0,6.0));
Line_2 line;
// fit a line
Line line;
linear_least_squares_fitting_2(points.begin(),points.end(),line,CGAL::PCA_dimension_0_tag());
return 0;

24
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_points_3.cpp
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@ -1,24 +1,28 @@
// Example program for the linear_least_square_fitting function on set of points in 3D
// Example program for linear least squares fitting of 3D points
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_3.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_3 Line_3;
typedef K::Point_3 Point_3;
typedef K::Line_3 Line;
typedef K::Plane_3 Plane;
typedef K::Point_3 Point;
int main()
{
std::list<Point_3> points;
points.push_back(Point_3(1.0,0.0,0.0));
points.push_back(Point_3(2.0,0.0,0.0));
points.push_back(Point_3(3.0,0.0,0.0));
std::list<Point> points;
points.push_back(Point(1.0,2.0,3.0));
points.push_back(Point(4.0,5.0,6.0));
points.push_back(Point(7.0,8.0,9.0));
Line_3 line;
// fit a line
Line line;
linear_least_squares_fitting_3(points.begin(),points.end(),line,CGAL::PCA_dimension_0_tag());
// fit a plane
Plane plane;
linear_least_squares_fitting_3(points.begin(),points.end(),plane,CGAL::PCA_dimension_0_tag());
return 0;
}

25
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_segments_2.cpp
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@ -1,25 +1,26 @@
// Example program for the linear_least_square_fitting function on set of segments in 2D
// Example program for linear least squares fitting of 2D segments
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_2.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_2 Line_2;
typedef K::Point_2 Point_2;
typedef K::Segment_2 Segment_2;
typedef K::Line_2 Line;
typedef K::Point_2 Point;
typedef K::Segment_2 Segment;
int main()
{
std::list<Segment_2> segments;
segments.push_back(Segment_2(Point_2(0.0,1.0),Point_2(-1.0,0.0)));
segments.push_back(Segment_2(Point_2(0.0,1.0),Point_2(1.0,0.0)));
Point a(1.0,2.0);
Point b(3.0,4.0);
Point c(5.0,6.0);
std::list<Segment> segments;
segments.push_back(Segment(a,b));
segments.push_back(Segment(a,c));
Line_2 line;
Point_2 c;
linear_least_squares_fitting_2(segments.begin(),segments.end(),line,c,CGAL::PCA_dimension_1_tag());
// fit a line
Line line;
linear_least_squares_fitting_2(segments.begin(),segments.end(),line,CGAL::PCA_dimension_1_tag());
return 0;
}

35
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_segments_3.cpp
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@ -1,29 +1,34 @@
// Example program for the linear_least_square_fitting function on set of segments in 3D
// Example program for linear least squares fitting of 3D segments
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_3.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_3 Line_3;
typedef K::Plane_3 Plane_3;
typedef K::Point_3 Point_3;
typedef K::Segment_3 Segment_3;
typedef K::Line_3 Line;
typedef K::Plane_3 Plane;
typedef K::Point_3 Point;
typedef K::Segment_3 Segment;
int main()
{
std::list<Segment_3> segments;
segments.push_back(Segment_3(Point_3(1.0,1.0,1.0),Point_3(2.0,2.0,2.0)));
segments.push_back(Segment_3(Point_3(3.0,3.0,3.0),Point_3(8.0,8.0,8.0)));
Point a(1.0,2.0,3.0);
Point b(4.0,5.0,6.0);
Point c(7.0,8.0,9.0);
std::list<Segment> segments;
segments.push_back(Segment(a,b));
segments.push_back(Segment(a,c));
Line_3 line;
Point_3 c;
linear_least_squares_fitting_3(segments.begin(),segments.end(),line,c,CGAL::PCA_dimension_1_tag());
Line line;
Plane plane;
Plane_3 plane;
linear_least_squares_fitting_3(segments.begin(),segments.end(),plane,c,CGAL::PCA_dimension_1_tag());
// fit a line and a plane to segments
linear_least_squares_fitting_3(segments.begin(),segments.end(),line, CGAL::PCA_dimension_1_tag());
linear_least_squares_fitting_3(segments.begin(),segments.end(),plane,CGAL::PCA_dimension_1_tag());
// fit a line and a plane to segment end points
linear_least_squares_fitting_3(segments.begin(),segments.end(),line, CGAL::PCA_dimension_0_tag());
linear_least_squares_fitting_3(segments.begin(),segments.end(),plane,CGAL::PCA_dimension_0_tag());
return 0;
}

30
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_spheres_3.cpp
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@ -1,32 +1,30 @@
// Example program for the linear_least_square_fitting function on set of spheres in 3D
// Example program for linear least squares fitting of 3D spheres
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_3.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_3 Line_3;
typedef K::Plane_3 Plane_3;
typedef K::Point_3 Point_3;
typedef K::Sphere_3 Sphere_3;
typedef K::Line_3 Line;
typedef K::Plane_3 Plane;
typedef K::Point_3 Point;
typedef K::Sphere_3 Sphere;
int main()
{
std::list<Sphere_3> spheres;
spheres.push_back(Sphere_3(Point_3(0.0,0.0,0.0),9));
spheres.push_back(Sphere_3(Point_3(0.0,10.0,0.0),25));
std::list<Sphere> spheres;
spheres.push_back(Sphere(Point(1.0,2.0,3.0),16.0));
spheres.push_back(Sphere(Point(4.0,5.0,6.0),25.0));
Line_3 line;
Plane_3 plane;
Line line;
Plane plane;
// fit balls (dimension 3)
linear_least_squares_fitting_3(spheres.begin(),spheres.end(),line,CGAL::PCA_dimension_3_tag());
// fit a line and a plane to balls (dimension 3)
linear_least_squares_fitting_3(spheres.begin(),spheres.end(),line, CGAL::PCA_dimension_3_tag());
linear_least_squares_fitting_3(spheres.begin(),spheres.end(),plane,CGAL::PCA_dimension_3_tag());
// fit spheres (dimension 2)
linear_least_squares_fitting_3(spheres.begin(),spheres.end(),line,CGAL::PCA_dimension_2_tag());
// fit a line and a plane to spheres (dimension 2)
linear_least_squares_fitting_3(spheres.begin(),spheres.end(),line, CGAL::PCA_dimension_2_tag());
linear_least_squares_fitting_3(spheres.begin(),spheres.end(),plane,CGAL::PCA_dimension_2_tag());
return 0;

21
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_tetrahedra_3.cpp
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@ -24,13 +24,24 @@ int main(void)
tetrahedra.push_back(Tetrahedron(a,b,c,d));
tetrahedra.push_back(Tetrahedron(a,b,c,e));
// fit a line
Line line;
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),line,CGAL::PCA_dimension_3_tag());
// fit a plane
Plane plane;
// fit a line and a plane to tetrahedra
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),line, CGAL::PCA_dimension_3_tag());
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),plane,CGAL::PCA_dimension_3_tag());
// fit a line and a plane to tetrahedron faces
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),line, CGAL::PCA_dimension_2_tag());
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),plane,CGAL::PCA_dimension_2_tag());
return 0;
// fit a line and a plane to tetrahedron edges
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),line, CGAL::PCA_dimension_1_tag());
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),plane,CGAL::PCA_dimension_1_tag());
// fit a line and a plane to tetrahedron vertices
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),line, CGAL::PCA_dimension_0_tag());
linear_least_squares_fitting_3(tetrahedra.begin(),tetrahedra.end(),plane,CGAL::PCA_dimension_0_tag());
return 0;
}

34
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_triangles_2.cpp
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@ -1,28 +1,34 @@
// Example program for the linear_least_square_fitting function on set of triangles in 2D
// Example program for linear least squares fitting of 2D triangles
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_2.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_2 Line_2;
typedef K::Point_2 Point_2;
typedef K::Triangle_2 Triangle_2;
typedef K::Line_2 Line;
typedef K::Point_2 Point;
typedef K::Triangle_2 Triangle;
int main()
{
std::list<Triangle_2> triangles;
Point_2 c;
triangles.push_back(Triangle_2(Point_2(0.0,1.0),Point_2(-1.0,0.0),Point_2(1.0,0.0)));
triangles.push_back(Triangle_2(Point_2(0.0,-1.0),Point_2(-1.0,0.0),Point_2(1.0,0.0)));
// generate 2D triangles
std::list<Triangle> triangles;
Point a(1.0,2.0,3.0);
Point b(4.0,5.0,6.0);
Point c(7.0,8.0,9.0);
Point d(0.1,0.2,0.3);
triangles.push_back(Triangle(a,b,c));
triangles.push_back(Triangle(a,b,d));
Line_2 line;
linear_least_squares_fitting_2(triangles.begin(),triangles.end(),line,c,CGAL::PCA_dimension_2_tag());
// fit line to triangles
Line line;
linear_least_squares_fitting_2(triangles.begin(),triangles.end(),line,CGAL::PCA_dimension_2_tag());
//Fit using the edges
linear_least_squares_fitting_2(triangles.begin(),triangles.end(),line,c,CGAL::PCA_dimension_1_tag());
// fit line to triangle edges
linear_least_squares_fitting_2(triangles.begin(),triangles.end(),line,CGAL::PCA_dimension_1_tag());
// fit line to triangle vertices
linear_least_squares_fitting_2(triangles.begin(),triangles.end(),line,CGAL::PCA_dimension_0_tag());
return 0;
}

34
Principal_component_analysis/examples/Principal_component_analysis/linear_least_squares_fitting_triangles_3.cpp
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@ -2,27 +2,39 @@
#include <CGAL/Cartesian.h>
#include <CGAL/linear_least_squares_fitting_3.h>
#include <list>
typedef double FT;
typedef CGAL::Cartesian<FT> K;
typedef K::Line_3 Line_3;
typedef K::Plane_3 Plane_3;
typedef K::Point_3 Point_3;
typedef K::Triangle_3 Triangle_3;
typedef K::Line_3 Line;
typedef K::Plane_3 Plane;
typedef K::Point_3 Point;
typedef K::Triangle_3 Triangle;
int main(void)
{
std::list<Triangle_3> triangles;
triangles.push_back(Triangle_3(Point_3(1.0,0.0,0.0),Point_3(0.0,1.0,0.0),Point_3(0.0,0.0,0.0)));
triangles.push_back(Triangle_3(Point_3(-1.0,0.0,0.0),Point_3(0.0,-1.0,0.0),Point_3(0.0,0.0,0.0)));
std::list<Triangle> triangles;
Point a( 0.0,0.0,0.0);
Point b( 1.0,0.0,0.0);
Point c(-1.0,0.0,0.0);
Point d( 0.0,1.0,1.0);
triangles.push_back(Triangle(a,b,c));
triangles.push_back(Triangle(a,b,d));
Line_3 line;
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),line,CGAL::PCA_dimension_2_tag());
Line line;
Plane plane;
Plane_3 plane;
// fit a line and a plane to triangles
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),line, CGAL::PCA_dimension_2_tag());
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),plane,CGAL::PCA_dimension_2_tag());
// fit a line and a plane to triangle edges
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),line, CGAL::PCA_dimension_2_tag());
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),plane,CGAL::PCA_dimension_2_tag());
// fit a line and a plane to triangle vertices
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),line, CGAL::PCA_dimension_0_tag());
linear_least_squares_fitting_3(triangles.begin(),triangles.end(),plane,CGAL::PCA_dimension_0_tag());
return 0;
}

2
Principal_component_analysis/include/CGAL/linear_least_squares_fitting_triangles_2.h
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@ -203,7 +203,7 @@ linear_least_squares_fitting_2(InputIterator first,
// precondition: at least one element in the container.
CGAL_precondition(first != beyond);
std::list<Point_2> points;
std::list<Point> points;
for(InputIterator it = first;
it != beyond;
it++)