Subversion Repositories AndroidProjects

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
204 chris 1
/*******************************************************
2
 *
3
 * Author: Hirokazu Kato
4
 *
5
 *         kato@sys.im.hiroshima-cu.ac.jp
6
 *
7
 * Date: 01/09/10
8
 *
9
*******************************************************/
10
 
11
#include <AR/ar.h>
12
 
13
static double arGetTransMatContSub( ARMarkerInfo *marker_info, double prev_conv[3][4],
14
                                    double center[2], double width, double conv[3][4] );
15
 
16
double arGetTransMatCont( ARMarkerInfo *marker_info, double prev_conv[3][4],
17
                          double center[2], double width, double conv[3][4] )
18
{
19
    double  err1, err2;
20
    double  wtrans[3][4];
21
    int     i, j;
22
 
23
    err1 = arGetTransMatContSub(marker_info, prev_conv, center, width, conv);
24
    if( err1 > AR_GET_TRANS_CONT_MAT_MAX_FIT_ERROR ) {
25
        err2 = arGetTransMat(marker_info, center, width, wtrans);
26
        if( err2 < err1 ) {
27
            for( j = 0; j < 3; j++ ) {
28
                for( i = 0; i < 4; i++ ) conv[j][i] = wtrans[j][i];
29
            }
30
            err1 = err2;
31
        }
32
    }
33
 
34
    return err1;
35
}
36
 
37
 
38
static double arGetTransMatContSub( ARMarkerInfo *marker_info, double prev_conv[3][4],
39
                                    double center[2], double width, double conv[3][4] )
40
{
41
    double  rot[3][3];
42
    double  ppos2d[4][2];
43
    double  ppos3d[4][2];
44
    int     dir;
45
    double  err;
46
    int     i, j;
47
 
48
    for( i = 0; i < 3; i++ ) {
49
        for( j = 0; j < 3; j++ ) {
50
            rot[i][j] = prev_conv[i][j];
51
        }
52
    }
53
 
54
    dir = marker_info->dir;
55
    ppos2d[0][0] = marker_info->vertex[(4-dir)%4][0];
56
    ppos2d[0][1] = marker_info->vertex[(4-dir)%4][1];
57
    ppos2d[1][0] = marker_info->vertex[(5-dir)%4][0];
58
    ppos2d[1][1] = marker_info->vertex[(5-dir)%4][1];
59
    ppos2d[2][0] = marker_info->vertex[(6-dir)%4][0];
60
    ppos2d[2][1] = marker_info->vertex[(6-dir)%4][1];
61
    ppos2d[3][0] = marker_info->vertex[(7-dir)%4][0];
62
    ppos2d[3][1] = marker_info->vertex[(7-dir)%4][1];
63
    ppos3d[0][0] = center[0] - width/2.0;
64
    ppos3d[0][1] = center[1] + width/2.0;
65
    ppos3d[1][0] = center[0] + width/2.0;
66
    ppos3d[1][1] = center[1] + width/2.0;
67
    ppos3d[2][0] = center[0] + width/2.0;
68
    ppos3d[2][1] = center[1] - width/2.0;
69
    ppos3d[3][0] = center[0] - width/2.0;
70
    ppos3d[3][1] = center[1] - width/2.0;
71
 
72
    for( i = 0; i < AR_GET_TRANS_MAT_MAX_LOOP_COUNT; i++ ) {
73
        err = arGetTransMat3( rot, ppos2d, ppos3d, 4, conv,
74
                                   arParam.dist_factor, arParam.mat );
75
        if( err < AR_GET_TRANS_MAT_MAX_FIT_ERROR ) break;
76
    }
77
    return err;
78
}