Version 2.3 of protracer
Release Notes: This release adds support for translating (moving) and rotating objects.
Other releases
Release Notes: This release adds a test script.
Release Notes: This release adds support for union objects (combining several sub-objects).
Release Notes: This release adds support for the geometric object "box".
Release Notes: This release fixes rotation of discs working properly when using a disc as an object template. Enhanced scene description language: added support for the functions max_extents and min_extents to get the bounding box coordinates (as vectors) of a declared object.
Release Notes: This release added support for applying tranformations (translate (move) and rotate) on light sources and cameras.
