Here is a list of all files with brief descriptions:

Box.cpp
Box.h
box_test.h
CompositeShape.cpp
CompositeShape.h
datatypes.h
DepthCamera.cpp
DepthCamera.h
export.cpp
export.h
height_image_to_file.cpp
height_image_to_shape.cpp
HeightMap.cpp
HeightMap.h
HeightMapNode.cpp
HeightMapNode.h
import.cpp
import.h
LaserRangeFinder.cpp
LaserRangeFinder.h
math_types.h
matrix.h
Mesh.cpp
Mesh.h
msg_conversions.cpp
msg_conversions.h
Octree.cpp
Octree.h
OctreeNode.cpp
OctreeNode.h
Ray.cpp
Ray.h
serialization.cpp
serialization.h
Shape.cpp
Shape.h
shapes.cpp
shapes.h
show.cpp
test_box.cpp
test_composite_shape.cpp
test_geolib.cpp
test_geolib_lrf.cpp
test_lrf.cpp
test_matrix.cpp
test_shape.cpp
tf2_conversions.h
tf_conversions.h
Triangle.cpp
Triangle.h
visualization.cpp
visualization.h