opencv/tests/cv/src/acreatecontourtree.cpp

193 lines
6.4 KiB
C++

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#include "cvtest.h"
#if 0
static char cTestName[] = "Binary tree create";
static char cTestClass[] = "Algorithm";
static char cFuncName[] = "cvCreateContourTree";
static int aCreateContourTree(void)
{
CvSeqBlock contour_blk1;
CvContour contour_h1; /* input contour */
CvSeq *contour_h2; /* destination contour */
CvContourTree *tree; /* created binary tree */
CvMemStorage *storage; /* storage for contour and tree writing */
CvTermCriteria criteria; /* criteria for the contour restoring */
/* CvSeqReader reader; // points reader of contour */
/* ippiTrianAttr vertex;*/
int block_size = 10000;
int nPoints1 = 20;
int xc,yc,a1 = 10, b1 = 20, fi = 0;
int xmin,ymin,xmax,ymax;
double error_test;
double pi = 3.1415926, eps_rez = 0.05;
double threshold = 1.e-7;
double rezult,error;
int i, code = TRS_OK;
int type_seq = 0;
int width=256,height=256;
CvPoint *cp1;
CvPoint *cp2;
/* read tests params */
if (!trsiRead(&nPoints1,"20","Number of points first contour"))
return TRS_UNDEF;
if(nPoints1>0)
{
if (!trsiRead(&a1,"10","first radius of the first elipse"))
return TRS_UNDEF;
if (!trsiRead(&b1,"20","second radius of the first elipse"))
return TRS_UNDEF;
if (!trsiRead(&fi,"0","second radius of the second elipse"))
return TRS_UNDEF;
xc = (int)(width/2.);
yc = (int)(height/2.);
xmin = width;
ymin = height;
xmax = 0;
ymax = 0;
cp1 = (CvPoint*) trsmAlloc(nPoints1*sizeof(CvPoint));
cp2 = (CvPoint*) trsmAlloc(nPoints1*sizeof(CvPoint));
for(i=0;i<nPoints1;i++)
{
cp1[i].x = (int)(a1*cos(2*pi*i/nPoints1))+xc;
cp1[i].y = (int)(b1*sin(2*pi*i/nPoints1))+yc;
cp1[i].x = (int)(a1*cos(2*pi*i/nPoints1)*cos(2*pi*fi/360.))-
(int)(b1*sin(2*pi*i/nPoints1)*sin(2*pi*fi/360.))+xc;
cp1[i].y = (int)(a1*cos(2*pi*i/nPoints1)*sin(2*pi*fi/360.))+
(int)(b1*sin(2*pi*i/nPoints1)*cos(2*pi*fi/360.))+yc;
if(xmin> cp1[i].x) xmin = cp1[i].x;
if(xmax< cp1[i].x) xmax = cp1[i].x;
if(ymin> cp1[i].y) ymin = cp1[i].y;
if(ymax< cp1[i].y) ymax = cp1[i].y;
}
if(xmax>width||xmin<0||ymax>height||ymin<0)
return TRS_FAIL;
storage = cvCreateMemStorage( block_size );
/* contours initialazing */
type_seq = CV_SEQ_POLYGON;
cvMakeSeqHeaderForArray(type_seq, sizeof(CvContour), sizeof(CvPoint),
(char*)cp1, nPoints1, (CvSeq*)&contour_h1, &contour_blk1);
/* create countour's tree */
error_test = 0.;
tree = cvCreateContourTree ((CvSeq*)&contour_h1, storage, threshold);
trsWrite( ATS_CON | ATS_LST | ATS_SUM, "Contour's binary tree is created \n");
error = 0;
criteria.type = CV_TERMCRIT_ITER;
criteria.max_iter = 100;
contour_h2 = cvContourFromContourTree (tree, storage, criteria);
rezult = cvMatchContours ((CvSeq*)&contour_h1, contour_h2,CV_CONTOURS_MATCH_I1);
error+=rezult;
criteria.type = CV_TERMCRIT_EPS;
criteria.epsilon = (float)0.00001;
contour_h2 = cvContourFromContourTree (tree, storage, criteria);
rezult = cvMatchContours ((CvSeq*)&contour_h1, contour_h2, CV_CONTOURS_MATCH_I1);
error+=rezult;
criteria.type = CV_TERMCRIT_ITER + CV_TERMCRIT_EPS;
criteria.epsilon = (float)0.00001;
criteria.max_iter = 1;
contour_h2 = cvContourFromContourTree (tree, storage, criteria);
rezult = cvMatchContours ((CvSeq*)&contour_h1, contour_h2, CV_CONTOURS_MATCH_I1);
error+=rezult;
criteria.type = CV_TERMCRIT_ITER + CV_TERMCRIT_EPS;
criteria.epsilon = 1000.;
criteria.max_iter = 100;
contour_h2 = cvContourFromContourTree (tree, storage, criteria);
rezult = cvMatchContours ((CvSeq*)&contour_h1, contour_h2, CV_CONTOURS_MATCH_I1);
error+=rezult;
if(error > eps_rez )
code = TRS_FAIL;
else
code = TRS_OK;
trsWrite( ATS_CON | ATS_LST | ATS_SUM, "contour from contour tree is restored rezult= %f \n",rezult);
cvCvtSeqToArray(contour_h2, (char*)cp2 );
cvReleaseMemStorage ( &storage );
trsFree (cp2);
trsFree (cp1);
}
/* _getch(); */
return code;
}
void InitACreateContourTree( void )
{
/* Test Registartion */
trsReg(cFuncName,cTestName,cTestClass,aCreateContourTree);
} /* InitACreateContourTree */
/* End of file. */
#endif