Proj Namespace Reference

Generic auxiliary routines for 3D axes. More...

Classes
class	Pt2
class	Pt3
class	TransfMat3x4

Enumerations
enum	VPState { VP_FINITE = 0 , VP_INFINITE }
enum	Axis {   X = 0 , Y = 1 , Z = 2 , W = 3 ,   NONE }

Functions
char const *	string_from_axis (Proj::Axis axis)
Box3D::Axis	toAffine (Proj::Axis axis)

Variables
Axis	axes [4] = { X, Y, Z, W }
const double	epsilon = 1E-6

Detailed Description

Generic auxiliary routines for 3D axes.

3x4 transformation matrix to map points from projective 3-space into the projective plane

Authors: Maximilian Albert Anhal.nosp@m.ter4.nosp@m.2@gmx.nosp@m..de

Copyright (C) 2007 authors

Released under GNU GPL v2+, read the file 'COPYING' for more information.

Authors: Maximilian Albert Anhal.nosp@m.ter4.nosp@m.2@gmx.nosp@m..de

Copyright (C) 2007 Authors

Released under GNU GPL v2+, read the file 'COPYING' for more information.

Enumeration Type Documentation

Axis

enum Proj::Axis

Enumerator
X
Y
Z
W
NONE

Definition at line 30 of file axis-manip.h.

VPState

enum Proj::VPState

Enumerator
VP_FINITE
VP_INFINITE

Definition at line 23 of file axis-manip.h.

Function Documentation

string_from_axis()

char const * Proj::string_from_axis ( Proj::Axis  axis )

inline

Definition at line 41 of file axis-manip.h.

References NONE, W, X, Y, and Z.

Referenced by Box3D::VanishingPoint::axisString(), and Persp3D::print_debugging_info().

toAffine()

Box3D::Axis Proj::toAffine ( Proj::Axis  axis )

inline

Definition at line 119 of file axis-manip.h.

References NONE, Box3D::NONE, X, Box3D::X, Y, Box3D::Y, Z, and Box3D::Z.

Referenced by box3d_check_for_swapped_coords().

Variable Documentation

axes

Axis Proj::axes = { X, Y, Z, W }

Definition at line 18 of file axis-manip.cpp.

Referenced by Proj::TransfMat3x4::operator==(), Persp3D::print_debugging_info(), SPBox3D::recompute_z_orders(), and Box3D::VPDrag::updateDraggers().

epsilon

const double Proj::epsilon = 1E-6

Definition at line 21 of file proj_pt.h.

Referenced by Proj::Pt2::affine(), Proj::Pt2::operator==(), and Proj::Pt3::operator==().