checkpoint on glyph mapping
update duct and pin display and cylinder
added 1/6 and 1/12 support
remove dead code
remove more dead code
remove more dead code
remove more dead code
compute correct bounding boxes
fix bug with rect calc loc
remove dead code
remove dead code
fix camera
fix cell material rotation and duct cross section
Merge pull request #13 from judajake/new_rendering_interface

New rendering interface