KevinKu/SEE-RTH — pull request #11 by fwpp (2014-07-22 11:27:02+00:00)
Title: update main.cpp : add function and TEST_1

add function determine_direction ：determine direction

TEST_1 : need to delete the comment at line 303 and line 380
and comment the original main
and delete the comment of /* #define TEST_1 */ at line 16