core

Core data structure and utilities. More...

Classes
class	BoundingBox
	Simple class for representing a bounding box. More...
class	Matrix< Scalar, M, N >
	Base class for MxN matrix. More...
class	MemoryUsage
	A simple class to retrieve memory usage information. More...
class	Handle
	Base class for all entity handles types. More...
class	Vertex
	this type represents a vertex (internally it is basically an index) More...
class	Halfedge
	this type represents a halfedge (internally it is basically an index) More...
class	Edge
	this type represents an edge (internally it is basically an index) More...
class	Face
	this type represents a face (internally it is basically an index) More...
class	VertexProperty< T >
	Vertex property of type T. More...
class	HalfedgeProperty< T >
	Halfedge property of type T. More...
class	EdgeProperty< T >
	Edge property of type T. More...
class	FaceProperty< T >
	Face property of type T. More...
class	ObjectProperty< T >
	Object property of type T. More...
class	SurfaceMesh
	A halfedge data structure for polygonal meshes. More...
class	Timer
	A simple timer class. More...
struct	IOFlags
	Common IO flags for reading and writing. More...
class	Version
	API version information. More...

Typedefs
template<typename Scalar , int M>
using	Vector = Matrix< Scalar, M, 1 >
	template specialization for Vector as Nx1 matrix
template<typename Scalar >
using	Mat4 = Matrix< Scalar, 4, 4 >
	template specialization for 4x4 matrices
template<typename Scalar >
using	Mat3 = Matrix< Scalar, 3, 3 >
	template specialization for 3x3 matrices
template<typename Scalar >
using	Mat2 = Matrix< Scalar, 2, 2 >
	template specialization for 2x2 matrices
typedef Vector< float, 2 >	vec2
	template specialization for a vector of two float values
typedef Vector< double, 2 >	dvec2
	template specialization for a vector of two double values
typedef Vector< bool, 2 >	bvec2
	template specialization for a vector of two bool values
typedef Vector< int, 2 >	ivec2
	template specialization for a vector of two int values
typedef Vector< unsigned int, 2 >	uvec2
	template specialization for a vector of two unsigned int values
typedef Vector< float, 3 >	vec3
	template specialization for a vector of three float values
typedef Vector< double, 3 >	dvec3
	template specialization for a vector of three double values
typedef Vector< bool, 3 >	bvec3
	template specialization for a vector of three bool values
typedef Vector< int, 3 >	ivec3
	template specialization for a vector of three int values
typedef Vector< unsigned int, 3 >	uvec3
	template specialization for a vector of three unsigned int values
typedef Vector< float, 4 >	vec4
	template specialization for a vector of four float values
typedef Vector< double, 4 >	dvec4
	template specialization for a vector of four double values
typedef Vector< bool, 4 >	bvec4
	template specialization for a vector of four bool values
typedef Vector< int, 4 >	ivec4
	template specialization for a vector of four int values
typedef Vector< unsigned int, 4 >	uvec4
	template specialization for a vector of four unsigned int values
typedef Vector< float, 8 >	vec8
	template specialization for a vector of four float values
typedef Vector< double, 8 >	dvec8
	template specialization for a vector of four double values
typedef Vector< bool, 8 >	bvec8
	template specialization for a vector of four bool values
typedef Vector< int, 8 >	ivec8
	template specialization for a vector of four int values
typedef Vector< unsigned int, 8 >	uvec8
	template specialization for a vector of four unsigned int values
typedef Mat2< float >	mat2
	template specialization for a 2x2 matrix of float values
typedef Mat2< double >	dmat2
	template specialization for a 2x2 matrix of double values
typedef Mat3< float >	mat3
	template specialization for a 3x3 matrix of float values
typedef Mat3< double >	dmat3
	template specialization for a 3x3 matrix of double values
typedef Mat4< float >	mat4
	template specialization for a 4x4 matrix of float values
typedef Mat4< double >	dmat4
	template specialization for a 4x4 matrix of double values
typedef float	Scalar
	Scalar type.
typedef Vector< Scalar, 3 >	Point
	Point type.
typedef Vector< Scalar, 3 >	Normal
	Normal type.
typedef Vector< Scalar, 3 >	Color
	Color type.
typedef Vector< Scalar, 2 >	TexCoord
	Texture coordinate type.

Functions
template<typename Scalar , int M, int N>
std::ostream &	operator<< (std::ostream &os, const Matrix< Scalar, M, N > &m)
	output a matrix by printing its space-separated compontens
template<typename Scalar , int M, int N, int K>
Matrix< Scalar, M, N >	operator* (const Matrix< Scalar, M, K > &m1, const Matrix< Scalar, K, N > &m2)
	matrix-matrix multiplication
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	cmult (const Matrix< Scalar, M, N > &m1, const Matrix< Scalar, M, N > &m2)
	component-wise multiplication
template<typename Scalar , int M, int N>
Matrix< Scalar, N, M >	transpose (const Matrix< Scalar, M, N > &m)
	transpose MxN matrix to NxM matrix
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	operator+ (const Matrix< Scalar, M, N > &m1, const Matrix< Scalar, M, N > &m2)
	matrix addition: m1 + m2
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	operator- (const Matrix< Scalar, M, N > &m1, const Matrix< Scalar, M, N > &m2)
	matrix subtraction: m1 - m2
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	operator- (const Matrix< Scalar, M, N > &m)
	matrix negation: -m
template<typename Scalar , typename Scalar2 , int M, int N>
Matrix< Scalar, M, N >	operator* (const Scalar2 s, const Matrix< Scalar, M, N > &m)
	scalar multiplication of matrix: s*m
template<typename Scalar , typename Scalar2 , int M, int N>
Matrix< Scalar, M, N >	operator* (const Matrix< Scalar, M, N > &m, const Scalar2 s)
	scalar multiplication of matrix: m*s
template<typename Scalar , typename Scalar2 , int M, int N>
Matrix< Scalar, M, N >	operator/ (const Matrix< Scalar, M, N > &m, const Scalar2 s)
	divide matrix by scalar: m/s
template<typename Scalar , int M, int N>
Scalar	norm (const Matrix< Scalar, M, N > &m)
	compute the Frobenius norm of a matrix (or Euclidean norm of a vector)
template<typename Scalar , int M, int N>
Scalar	sqrnorm (const Matrix< Scalar, M, N > &m)
	compute the squared Frobenius norm of a matrix (or squared Euclidean norm of a vector)
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	normalize (const Matrix< Scalar, M, N > &m)
	return a normalized copy of a matrix or a vector
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	min (const Matrix< Scalar, M, N > &m1, const Matrix< Scalar, M, N > &m2)
	return component-wise minimum
template<typename Scalar , int M, int N>
Matrix< Scalar, M, N >	max (const Matrix< Scalar, M, N > &m1, const Matrix< Scalar, M, N > &m2)
	return component-wise maximum
template<typename Scalar >
Mat4< Scalar >	viewport_matrix (Scalar l, Scalar b, Scalar w, Scalar h)
	OpenGL viewport matrix with parameters left, bottom, width, height.
template<typename Scalar >
Mat4< Scalar >	inverse_viewport_matrix (Scalar l, Scalar b, Scalar w, Scalar h)
	inverse of OpenGL viewport matrix with parameters left, bottom, width, height More...
template<typename Scalar >
Mat4< Scalar >	frustum_matrix (Scalar l, Scalar r, Scalar b, Scalar t, Scalar n, Scalar f)
	OpenGL frustum matrix with parameters left, right, bottom, top, near, far.
template<typename Scalar >
Mat4< Scalar >	inverse_frustum_matrix (Scalar l, Scalar r, Scalar b, Scalar t, Scalar n, Scalar f)
	inverse of OpenGL frustum matrix with parameters left, right, bottom, top, near, far More...
template<typename Scalar >
Mat4< Scalar >	perspective_matrix (Scalar fovy, Scalar aspect, Scalar zNear, Scalar zFar)
	OpenGL perspective matrix with parameters field of view in y-direction, aspect ratio, and distance of near and far planes.
template<typename Scalar >
Mat4< Scalar >	inverse_perspective_matrix (Scalar fovy, Scalar aspect, Scalar zNear, Scalar zFar)
	inverse of perspective matrix More...
template<typename Scalar >
Mat4< Scalar >	ortho_matrix (Scalar left, Scalar right, Scalar bottom, Scalar top, Scalar zNear=-1, Scalar zFar=1)
	OpenGL orthogonal projection matrix with parameters left, right, bottom, top, near, far.
template<typename Scalar >
Mat4< Scalar >	look_at_matrix (const Vector< Scalar, 3 > &eye, const Vector< Scalar, 3 > &center, const Vector< Scalar, 3 > &up)
	OpenGL look-at camera matrix with parameters eye position, scene center, up-direction.
template<typename Scalar >
Mat4< Scalar >	translation_matrix (const Vector< Scalar, 3 > &t)
	OpenGL matrix for translation by vector t.
template<typename Scalar >
Mat4< Scalar >	scaling_matrix (const Scalar s)
	OpenGL matrix for scaling x/y/z by s.
template<typename Scalar >
Mat4< Scalar >	scaling_matrix (const Vector< Scalar, 3 > &s)
	OpenGL matrix for scaling x/y/z by the components of s.
template<typename Scalar >
Mat4< Scalar >	rotation_matrix_x (Scalar angle)
	OpenGL matrix for rotation around x-axis by given angle (in degrees)
template<typename Scalar >
Mat4< Scalar >	rotation_matrix_y (Scalar angle)
	OpenGL matrix for rotation around y-axis by given angle (in degrees)
template<typename Scalar >
Mat4< Scalar >	rotation_matrix_z (Scalar angle)
	OpenGL matrix for rotation around z-axis by given angle (in degrees)
template<typename Scalar >
Mat4< Scalar >	rotation_matrix (const Vector< Scalar, 3 > &axis, Scalar angle)
	OpenGL matrix for rotation around given axis by given angle (in degrees)
template<typename Scalar >
Mat4< Scalar >	rotation_matrix (const Vector< Scalar, 4 > &quat)
	OpenGL matrix for rotation specified by unit quaternion.
template<typename Scalar >
Mat3< Scalar >	linear_part (const Mat4< Scalar > &m)
	return upper 3x3 matrix from given 4x4 matrix, corresponding to the linear part of an affine transformation
template<typename Scalar >
Vector< Scalar, 3 >	projective_transform (const Mat4< Scalar > &m, const Vector< Scalar, 3 > &v)
	projective transformation of 3D vector v by a 4x4 matrix m: add 1 as 4th component of v, multiply m*v, divide by 4th component
template<typename Scalar >
Vector< Scalar, 3 >	affine_transform (const Mat4< Scalar > &m, const Vector< Scalar, 3 > &v)
	affine transformation of 3D vector v by a 4x4 matrix m: add 1 as 4th component of v, multiply m*v, do NOT divide by 4th component
template<typename Scalar >
Vector< Scalar, 3 >	linear_transform (const Mat4< Scalar > &m, const Vector< Scalar, 3 > &v)
	linear transformation of 3D vector v by a 4x4 matrix m: transform vector by upper-left 3x3 submatrix of m
template<typename Scalar >
Mat4< Scalar >	inverse (const Mat4< Scalar > &m)
	return the inverse of a 4x4 matrix
template<typename Scalar >
Mat3< Scalar >	inverse (const Mat3< Scalar > &m)
	return the inverse of a 3x3 matrix
template<typename Scalar >
bool	symmetric_eigendecomposition (const Mat3< Scalar > &m, Scalar &eval1, Scalar &eval2, Scalar &eval3, Vector< Scalar, 3 > &evec1, Vector< Scalar, 3 > &evec2, Vector< Scalar, 3 > &evec3)
	compute eigenvector/eigenvalue decomposition of a 3x3 matrix
template<typename Scalar , int N>
std::istream &	operator>> (std::istream &is, Vector< Scalar, N > &vec)
	read the space-separated components of a vector from a stream
template<typename Scalar , int N>
std::ostream &	operator<< (std::ostream &os, const Vector< Scalar, N > &vec)
	output a vector by printing its space-separated compontens
template<typename Scalar , int N>
Scalar	dot (const Vector< Scalar, N > &v0, const Vector< Scalar, N > &v1)
	compute the dot product of two vectors
template<typename Scalar , int N>
Scalar	distance (const Vector< Scalar, N > &v0, const Vector< Scalar, N > &v1)
	compute the Euclidean distance between two points
template<typename Scalar >
Vector< Scalar, 2 >	perp (const Vector< Scalar, 2 > &v)
	compute perpendicular vector (rotate vector by 90 degrees)
template<typename Scalar >
Vector< Scalar, 3 >	cross (const Vector< Scalar, 3 > &v0, const Vector< Scalar, 3 > &v1)
	compute the cross product of two vectors (only valid for 3D vectors)
std::ostream &	operator<< (std::ostream &os, Vertex v)
	output a Vertex to a stream
std::ostream &	operator<< (std::ostream &os, Halfedge h)
	output a Halfedge to a stream
std::ostream &	operator<< (std::ostream &os, Edge e)
	output an Edge to a stream
std::ostream &	operator<< (std::ostream &os, Face f)
	output a Face to a stream
static Matrix< Scalar, M, N >	identity ()
	return identity matrix (only for square matrices, N==M) More...

Detailed Description

Core data structure and utilities.

Function Documentation

Matrix< Scalar, M, N > identity ( )

static

return identity matrix (only for square matrices, N==M)

identity matrix (work only for square matrices)

Mat4<Scalar> pmp::inverse_frustum_matrix	(	Scalar	l,
		Scalar	r,
		Scalar	b,
		Scalar	t,
		Scalar	n,
		Scalar	f
	)

inverse of OpenGL frustum matrix with parameters left, right, bottom, top, near, far

See also

frustum_matrix

Mat4<Scalar> pmp::inverse_perspective_matrix	(	Scalar	fovy,
		Scalar	aspect,
		Scalar	zNear,
		Scalar	zFar
	)

inverse of perspective matrix

See also

perspective_matrix

Mat4<Scalar> pmp::inverse_viewport_matrix	(	Scalar	l,
		Scalar	b,
		Scalar	w,
		Scalar	h
	)

inverse of OpenGL viewport matrix with parameters left, bottom, width, height

See also

viewport_matrix