tvec              158 modules/calib3d/src/solvepnp.cpp           rvec(_rvec), tvec(_tvec) {}
tvec               55 modules/calib3d/test/test_chessboardgenerator.cpp     patternSize(_patternSize), rendererResolutionMultiplier(4), tvec(Mat::zeros(1, 3, CV_32F))