• main() : point_grid.cpp , line_iterator_test.cpp , gtest_main.cpp
• POINT_CLOUD_REGISTER_POINT_STRUCT() : map_grid_cost_point.h
• printPoint() : point_grid.cpp
• printPolygonPS() : point_grid.cpp
• printPSFooter() : point_grid.cpp
• printPSHeader() : point_grid.cpp
• TEST() : line_iterator_test.cpp