cvArcLength 524 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(double) cvArcLength( const void* curve, cvArcLength 532 modules/imgproc/include/opencv2/imgproc/imgproc_c.h return cvArcLength( contour, CV_WHOLE_SEQ, 1 ); cvArcLength 1081 modules/imgproc/test/test_convhull.cpp result = cvArcLength( points, slice, points1 ? -1 : is_closed ); cvArcLength 1906 modules/imgproc/test/test_convhull.cpp double len0 = cvArcLength(cslice, CV_WHOLE_SEQ, 1); cvArcLength 1907 modules/imgproc/test/test_convhull.cpp double len1 = cvArcLength(contour, slice, 1);