MapWinGIS/src/Utilities/Matrix.cpp at develop · MapWindow/MapWinGIS · GitHub

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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#include "stdafx.h"
# include "Matrix.h"
# include <math.h>

#ifdef _AFX // Use MFC mem leak facilities for operator new (but only if compiled with MFC :-))

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#endif

Matrix::Matrix()
{	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			matrix[i][j] = 0.0;
}

Matrix::~Matrix()
{
}

Matrix::Matrix( const Matrix & m )
{	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			matrix[i][j] = m.matrix[i][j];
}

Matrix Matrix::operator=( const Matrix & m )
{	Matrix result;
	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			result.matrix[i][j] = matrix[i][j] - m.matrix[i][j];
	return result;
}

Matrix Matrix::operator*( const Matrix & m )
{	Matrix result;
	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			for( int k = 0; k < MATRIXSIZE; k++ )
				result.matrix[i][j] += matrix[i][k]*m.matrix[k][j];
	return result;
}

Matrix Matrix::operator+( const Matrix & m )
{	Matrix result;
	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			result.matrix[i][j] = matrix[i][j] + m.matrix[i][j];
	return result;
}

Matrix Matrix::operator-( const Matrix & m )
{	Matrix result;
	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			result.matrix[i][j] = matrix[i][j] - m.matrix[i][j];
	return result;
}

void Matrix::Identity()
{	for( int i = 0; i < MATRIXSIZE; i++ )
		for( int j = 0; j < MATRIXSIZE; j++ )
			matrix[i][j] = 0.0;

	for( int d = 0; d < MATRIXSIZE; d++ )
		matrix[d][d] = 1.0;
}

void Matrix::set( int row, int column, double value )
{	if( row >= 0 && column >= 0 && row < MATRIXSIZE && column < MATRIXSIZE )
		matrix[row][column] = value;
}

double Matrix::get( int row, int column )
{	if( row >= 0 && column >= 0 && row < MATRIXSIZE && column < MATRIXSIZE )
		return matrix[row][column];
	else
		return 0.0;
}

void Matrix::rotateX( int degree )
{	double radian = ((double)PIE*degree)/180;
	double cosX = cos( radian );
	double sinX = sin( radian );

	Identity();
	matrix[1][1] = cosX;
	matrix[1][2] = sinX;
	matrix[2][1] = -sinX;
	matrix[2][2] = cosX;
}

void Matrix::rotateY( int degree )
{	double radian = ((double)PIE*degree)/180;
	double cosY = cos( radian );
	double sinY = sin( radian );

	Identity();
	matrix[0][0] = cosY;
	matrix[0][2] = -sinY;
	matrix[2][0] = sinY;
	matrix[2][2] = cosY;
}

void Matrix::rotateMY( int degree )
{	double radian = ((double)PIE*degree)/180;
	double cosY = cos( radian );
	double sinY = sin( radian );

	Identity();
	matrix[0][0] = cosY;
	matrix[0][2] = sinY;
	matrix[2][0] = -sinY;
	matrix[2][2] = cosY;
}

void Matrix::rotateZ( int degree )
{	double radian = ((double)PIE*degree)/180;
	double cosZ = cos( radian );
	double sinZ = sin( radian );

	Identity();
	matrix[0][0] = cosZ;
	matrix[0][1] = sinZ;
	matrix[1][0] = -sinZ;
	matrix[1][1] = cosZ;
}