indexing description: "[ Alignment constants. Assumes that values increase from left-to-right, top-to-bottom, front-to-back. (right-handed coordinate system with x-axis pointing to the right and y-axis pointing to the bottom) Be careful, this is different from the coordinate system that Em3d and OpenGL normally use (right-handed also, but back-to-front and bottom-to-top) ]" author: "" date: "$Date$" revision: "$Revision$" class EM_ALIGNMENT_CONSTANTS feature -- Access Align_user_specified: INTEGER is 0 -- User specified alignment Align_lower, Align_left, Align_top, Align_front: INTEGER is 1 -- Align lower boundary Align_center: INTEGER is 2 -- Align center Align_upper, Align_right, Align_bottom, Align_back: INTEGER is 3 -- Align upper boundary end