Here is a list of all documented files with brief descriptions:

attributepass.h
camera.h
entity.h
entitycloud.h
entitymoveable.h
entityoctree.h
entityoctreecontainer.h
fileloader.h
globals.h
light.h
lightpass.h
pcvglwidget.h
pointcloudpreprocessing.h
pointcloudviewer.h
programlogic.h
renderpass.h
shadingpass.h
splat.h
visibilitypass.h