Created
June 16, 2015 09:58
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Rotate point in OpenCV
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cv::Point2f RotatePoint(const cv::Point2f& p, float rad) | |
{ | |
const float x = std::cos(rad) * p.x - std::sin(rad) * p.y; | |
const float y = std::sin(rad) * p.x + std::cos(rad) * p.y; | |
const cv::Point2f rot_p(x, y); | |
return rot_p; | |
} | |
cv::Point2f RotatePoint(const cv::Point2f& cen_pt, const cv::Point2f& p, float rad) | |
{ | |
const cv::Point2f trans_pt = p - cen_pt; | |
const cv::Point2f rot_pt = RotatePoint(trans_pt, rad); | |
const cv::Point2f fin_pt = rot_pt + cen_pt; | |
return fin_pt; | |
} | |
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