> curve.tangent(u) would become something like create_tangent(curve, u)... i
> have a slight preference for the first.
>
> I agree, an object oriented approach is definitely better.
Its more complex than that;
the tangency is an attribute of a curve ( see addons/KBE/Level2API.py :
curve.diff_geom.tangent(u) ).
however, when constructing geometry, for most cases a simple function call
suffices.
you can see this approach in Utils/Construct.py : make_box, make_plane,
make_shell, make_face.
these return TopoDS_* entities.
if you'd like to further inspect / control these resulting object, than the
Level2API will facilitate doing so in a clean, object oriented manner.
the goal of the level2API is to be as simple as possible, but not simpler.
python != java, so going object-oriented, is not always the cleanest approach.
when discussing the topic, its useful to distinct between constructing and
inspecting the geometry.
-jelle
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