Re: [Flightgear-devel] DC-3 3d cockpit

[Josh Babcock]

The problem that I have is that if you seperate the top and bottom 
halves, you get an edge on the leading edge.  If you leave them as one 
object, you get shading artifacts on the trailing edge.  It would be 
really great if the export script and plib supported the crease-angle 
attribute that the new ac3d supports.  That or if it didn't join up 
vertices that I purposely seperated to prevent smooth shading on that edge.

Josh

Paul Surgeon wrote:

On Sunday, 4 January 2004 15:38, Josh Babcock wrote:
 

I'm playing with this because I am designing an ac3d model in Blender,
and am having a great deal of trouble getting the edges and shading to
look right.  Currently fixing most of the problems will be very dificult
and involve creating a lot more groups and objects in the .ac file than
there really need to be, and some, like making the leading edge of a
wing smooth and the trailing edge sharp, seem impossible.
   

What I do is separate flat surfaces into separate objects.
Flat/planar objects can obviously not be smoothed so it works great for 
cockpit windows. However I'm not sure how this will work for trailing edges.

I've only just started doing some wing modeling so I'll let you know tommorrow 
if I managed to get it right.
I'm also using Blender (2.31) with the AC3D Python export script and so far 
I've had no hassles.

Paul

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