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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/**************************************************************************/
/* Copyright 2012 Tim Day */
/* */
/* This file is part of Evolvotron */
/* */
/* Evolvotron 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 3 of the License, or */
/* (at your option) any later version. */
/* */
/* Evolvotron 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 Evolvotron. If not, see <http://www.gnu.org/licenses/>. */
/**************************************************************************/
/*! \file
\brief Functions inspired by tartan patterns.
*/
#ifndef _functions_quantize_h_
#define _functions_quantize_h_
#include "useful.h"
#include "function_boilerplate.h"
#include "hex.h"
//------------------------------------------------------------------------------------------
FUNCTION_BEGIN(FunctionPixelize,2,0,false,FnStructure)
//! Evaluate function.
/*! Quantize coordinates to 2D grid
*/
virtual const XYZ evaluate(const XYZ& p) const
{
return XYZ
(
param(0)*round(p.x()/param(0)),
param(1)*round(p.y()/param(1)),
p.z()
);
}
FUNCTION_END(FunctionPixelize)
//------------------------------------------------------------------------------------------
FUNCTION_BEGIN(FunctionVoxelize,3,0,false,FnStructure)
//! Evaluate function.
/*! Quantize coordinates to 3D grid.
*/
virtual const XYZ evaluate(const XYZ& p) const
{
return XYZ
(
param(0)*round(p.x()/param(0)),
param(1)*round(p.y()/param(1)),
param(2)*round(p.z()/param(2))
);
}
FUNCTION_END(FunctionVoxelize)
//------------------------------------------------------------------------------------------
FUNCTION_BEGIN(FunctionPixelizeHex,1,0,false,FnStructure)
//! Evaluate function.
/*! Quantize coordinates to 2D hexgrid.
*/
virtual const XYZ evaluate(const XYZ& p) const
{
const std::pair<int,int> h=nearest_hex(p.x()/param(0),p.y()/param(0));
//std::cerr << h.first << " " << h.second << "\n";
return XYZ
(
param(0)*hex_coord(h.first,h.second),
p.z()
);
}
FUNCTION_END(FunctionPixelizeHex)
//------------------------------------------------------------------------------------------
#endif
|
