right side view import
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 From:  Frenchy Pilou (PILOU)
100.3 In reply to 100.2 

Now the only posibility is open an another window outside the prog :)
Sure that will more easy with a model inside :)

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 From:  Michael (MMHS)
100.4 In reply to 100.3 
Here's a workaround that might work for you: Download Vitrite (2000/XP only), a tiny utility that allows you to manually adjust the level of transparency for almost any visible window. Open your Background image in a viewer and have Moi on top of it. For some reason with MoI you need to set a transparency for both the Image and Moi itself. Obviously you will need to keep your zoom setting constant while tracing the image.

EDITED: 12 Sep 2006 by MMHS

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 From:  Frenchy Pilou (PILOU)
100.5 In reply to 100.4 
Very cool plugin !!!
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 From:  Michael Gibson
100.6 In reply to 100.2 
> I have attached a reference image here, that I wanted to ask Michael
> for tips on the most efficient nurbs approach to modelling it.
> It seems like a good candidate for nurbs. I recently poly modelled it
> and found the process straight-forward but tedious.

Branching structures can actually be pretty difficult to model with NURBS.

One method that can work is to sort of break the model down into smaller components where each individual component is easier to surface. Keep breaking things down and you can usually get things down to a little hole in the middle somewhere that you just fill in.

In the attached model, I started by drawing some of the recognizable curves from the drawing.

Then there are a couple of pieces that are pretty straightforward, I started with those, one was an extrude and the other a two rail sweep. Then I drew some more curves to connect pieces, did more 2-rail sweeps to surface them (mirroring them to create the bottom parts), then finally I just filled in the small remaining hole with a loft between 2 joined lines and a smooth edge.

So this kind of has its own tediousness in NURBS as well, but at the same time this particular model actually shows off the amount of accuracy and control you have with NURBS as well, because the design of the profile in this case has exact circular pieces for the inside and outside curves. With this NURBS construction, that exact circular profile shape is preserved to within 0.01 units tolerance - that's awfully hard to do with a polygon model.

- Michael
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