void features3D::setPoint(float x, float y, float z)
{
m_x = x;
m_y = y;
m_z = z;
cartesianToPolar();
}
features3D::features3D(int id, float x, float y, float z, bool exists)
{
m_id = id;
m_x = x;
m_y = y;
m_z = z;
m_exists = exists;
cartesianToPolar();
}
int main(int argc, const char * argv[])
{
double x = 3.0;
double y = 4.0;
double radius;
double angle;
cartesianToPolar(x, y, &radius, &angle);
printf("(%.2f, %.2f) becomes (%.2f radians, %.2f)\n", x, y, radius, angle);
return 0;
}
int main(int argc, const char * argv[])
{
double pi = 3.14;
double integerPart;
double fractionPart;
fractionPart = modf(pi, &integerPart);
printf("integerPart = %.0f, fractionPart = %.2f\n", integerPart, fractionPart);
double x = 3;
double y = 4;
double radius = 0;
double angle = 0;
cartesianToPolar(x, y, &radius, &angle);
printf("(%.2f, %.2f) becomes (%.2fradians, %.2f)\n", x, y, angle, radius);
}
int main(int argc, const char * argv[]) {
double pi = 3.14;
double integerPart;
double fractionPart;
//Адрес integerPart передается в аргументе
fractionPart = modf(pi, &integerPart);
//Определение значения, хранященося в integerPart
printf("integerPart = %.0f, fractionPart = %.2f\n", integerPart, fractionPart);
double x = 3.0;
double y = 4.0;
double radius;
double angle;
cartesianToPolar(x, y, &radius, &angle);
printf("(%.2f, %.2f) becomes (%.2f radians. %.2f)\n", x, y, radius, angle);
return 0;
}
int main(int argc, const char * argv[])
{
double pi = 3.14;
double integerPart;
double fractionPart;
// 将integerPart的地址作为实参传入
fractionPart = modf(pi, &integerPart);
// 获取integer地址上的值
printf("integerPart = %.0f, fractionPart = %.2f.\n", integerPart, fractionPart);
double x = 3.0;
double y = 4.0;
double radius;
double angle;
cartesianToPolar(x, y, &radius, &angle);
printf("(%.2f, %.2f) becomes (%.2f radians, %.2f)\n", x, y, radius, angle);
return 0;
}
int main(int argc, const char * argv[])
{
double pi = 3.14;
double integerPart;
double fractionPart;
// Pass the address of integerPart as an argument
fractionPart = modf(pi, &integerPart);
// Find the value stored in integerPart
printf("integerPart = %.0f, fractionPart = %.2f\n", integerPart, fractionPart);
double x = 3.0;
double y = 4.0;
double radius;
double angle;
cartesianToPolar(x, y, &radius, &angle);
printf("(%.2f, %.2f) becomes (%.2f radians, %.2f)\n", x, y, radius, angle);
return 0;
}
Mat FindContour::curveSmooth(Mat &contourImg,
int WIN, // half window size for laplacian smoothing
vector<Point> &border,
vector<Point> &smooth,
/*Point cntoid*/vector<Point> &convHull )
{
// if(contourImg.type() != CV_8UC1){
// cvtColor( contourImg, contourImg, CV_BGR2GRAY );
// }
double width = contourImg.cols;
double height = contourImg.rows;
Moments mu = moments(convHull);
// Moments mu = moments(border);
Point cntoid = Point2f(mu.m10/mu.m00/* + rect.x*/, mu.m01/mu.m00/* +rect.y*/);
double d_min = max(width, height)*max(width, height);
vector<polarPoint> border_polar;
for (unsigned int n = 0; n < border.size(); n++)
{
//find the polar coordinates of the border;
border_polar.push_back(cartesianToPolar(cntoid, border[n]));
//find the nearest point to the center on the border
double d = dist(cntoid, border[n]);
if(d < d_min){
d_min = d;
}
}
d_min = sqrt(d_min);
// sort border_polar by theta
sort(border_polar.begin(), border_polar.end(), sortByTheta);
// Laplacian smoothing
unsigned int border_size = border_polar.size();
for(unsigned int n = 0; n < border_size; n++){
//cout << border_polar[n].r << " " << border_polar[n].theta << " ";
double avg = 0;
for(int w = -WIN; w < WIN; w++){
unsigned int pos = std::fabs((w+n+border_size)%border_size);
//cout << " pos " << pos << " ";
avg += border_polar[pos].r;
}
avg = avg/WIN/2;
polarPoint polar;
polar.r = avg;
polar.theta = border_polar[n].theta;
//cout << polar.r << " " << polar.theta << " ";
Point p = polarToCartesian(cntoid, polar);
//circle(color, p, 1, Scalar(255, 255, 0));
smooth.push_back(p);
//cout << p.x << " " << p.y << "\n";
}
Mat smoothCircle = Mat::zeros(height, width, CV_8UC1);
fillConvexPoly(smoothCircle, smooth, Scalar(255));
// fillPoly(smoothCircle, smooth, Scalar(255));
//imshow("smoothCircle", smoothCircle);
return smoothCircle;
}
void convertDatum(double* x, double* y, double* z, struct datum* fromDatum, struct datum* todatum) {
polarToCartesian(x,y,z, fromDatum);
helmertTransform(x,y,z, fromDatum, todatum);
cartesianToPolar(x,y,z, todatum);
}