1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* plane.h -- ePiX::Plane class
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.17
* Last Change: September 13, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ePiX is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EPIX_PLANE
#define EPIX_PLANE
#include "triples.h"
namespace ePiX {
class Circle;
class Plane;
class Segment;
class Sphere;
class Plane {
public:
Plane(const P& pt=P(0,0,0), const P& perp=E_3);
Plane(const P&, const P&, const P&);
P pt() const;
P perp() const;
bool malformed() const;
// affine operations
Plane& shift(const P&);
Plane& move_to(const P&);
void draw() const;
private:
P m_pt;
P m_perp; // unit normal
bool m_malformed;
}; // end of Plane class
void plane(const P& pt=P(0,0,0), const P& perp=E_3);
void plane(const P&, const P&, const P&);
} // end of namespace
#endif /* EPIX_PLANE */
|
