findCandidateLine  932 modules/calib3d/src/circlesgrid.cpp   findCandidateLine(above, 0, addRow, -basisVec, aboveSeeds);
findCandidateLine  934 modules/calib3d/src/circlesgrid.cpp   findCandidateLine(below, lastIdx, addRow, basisVec, belowSeeds);
findCandidateLine  178 modules/calib3d/src/circlesgrid.hpp   void findCandidateLine(std::vector<size_t> &line, size_t seedLineIdx, bool addRow, cv::Point2f basisVec, std::vector<