Modelling a Aircraft - F9F-5
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 From:  Michael Gibson
2036.86 In reply to 2036.85 
Hi PaQ,

I see you had another vertex of valence 5 up near the front bottom of the canopy there too, I'm kind of surprised that there was not some additional refinement in that area.

I would be a bit suspect of the surface smoothness in that area, although it seems to look pretty good.

But maybe it just happened to be close enough not to need refinement.

- Michael
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 From:  PaQ
2036.87 In reply to 2036.86 
Hi Michael,

Maya can only convert what they called 'subdiv surface' into nurbs, so in the image posted, it's the middle model. This model is a conversion from
the polygonal one. The subdiv shape allready shows some complex area in the front of the model, and this seems to be translated into the nurbs model at the end.

I have just no experience about how subdiv actually work, it seems to be way more heavier than catmull scheme. Maybe I should first learn this part to have a better control of the nurbs conversion.

I didn't remember having this kind of result with the t-spline. With the t-spline plugin, the nurbs flow was more looking like the maya subdiv one. (I'm not sure if this sentence is clear enough :P).
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 From:  Michael Gibson
2036.88 In reply to 2036.87 
Hi PaQ, I see - I'm not really familiar with some of these details on how Maya works, but it appears to me that the middle "subdiv surface" has already been divided down in those valence 5 areas.

So my guess is that a "subdiv surface" in Maya is some kind of hybrid object, which has already been prepared in its structure for converting to NURBS? Something like that anyway.

But if you continue that edge loop that I showed above to the end of the shape in the original polygon model before conversion to "subdiv surface", it will probably simplify that area that you were pointing at with the red arrow above.

You can't always avoid such areas, but in areas that you can it will probably make the result more simplified.

- Michael
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 From:  PaQ
2036.89 In reply to 2036.88 
Yes I'll give a try with a pure quad model, ... at the moment I'm still learning all the selection and objets organisations tools ... (in other words, I'm nowhere :o)).
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