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 From:  lwan
992.1 
Heya MoI3D crew,

I enjoy MoI3D more and more each time I use it. There is a couple things I'd like to see in MoI3D :

- extract U/V iso curve from any already built surface
- edit the surface with points on the drawing curves :) I know this is possible with primitives but it would be really cool if we could to that on any surface, at any time after any operation. *dreaming*

Also, the mesh export is always more or less.. bad ! I thought it was 3dsmax import but I tried in deep exploration, meshlab... and it always went with mesh discontinuities, cracks and smoothing problems. PowerNurbs import the 3dm and extract to mesh just perfect, but I do not have it (way too expensive just to have the import feature) and I have to rely on a friend to get the mesh right.

now here is the picture. I'm glad the final will be soon released so I can support you with my money ! :D

EDITED: 6 Oct 2007 by LWAN

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 From:  Michael Gibson
992.2 In reply to 992.1 
Hi Iwan, I am glad you are enjoying MoI - thanks for the feedback and posting the model.

Nice model - very clean construction!

> - extract U/V iso curve from any already built surface

This is something I expect to add to version 2, I think it will go as an additional command under Construct / Curve, where Project and Isect are currently at.


> - edit the surface with points on the drawing curves

You mean by editing points along the edges of a solid? Unfortunately this one is quite difficult to achieve, the structure of MoI's objects makes it hard to pull pieces of a joined solid around while guaranteeing that the edges don't pull apart to create gaps.

It's a lot different structure than a polygon modeler... This post here tries to explain some of the difficulties with squishing things with shared edges with this kind of object structure: http://moi3d.com/forum/index.php?webtag=MOI&msg=759.12

However, the same structure that makes it difficult to pull points of a solid around is also the reason why boolean operations work so well, since booleans create "trim curves" that mark regions of a surface that are inactive instead of actually cutting things up into tons of tiny slivery pieces like polygon-based booleans do.

- Michael
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 From:  lwan
992.3 In reply to 992.2 
ok thanks for the reply MIchael :)
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 From:  Michael Gibson
992.4 In reply to 992.1 
Hi Iwan, I missed this part of your message:

> Also, the mesh export is always more or less.. bad ! I thought it was
> 3dsmax import but I tried in deep exploration, meshlab... and it always
> went with mesh discontinuities, cracks and smoothing problems.

Hmmm, can you post a small example .3dm file of something that is causing you problems?

If you have separate surfaces in your model, make sure to join them together so they are one connected object before you export to a mesh.

When you have joined pieces, MoI does extra work to make sure the created meshes have a common vertex structure along the shared edges. If you have just individual surfaces, that extra work won't be done and each object gets meshed slightly differently which can result in cracks.

Possibly PowerNurbs is doing an automatic join step for you or something...

If you have things joined together and you are still getting cracks, then that would be a bug, please send me any examples you have of this so I can fix them up.

Also, which file format are you using? If you are using OBJ format, it is possible that 3dsmax is not doing a good job of processing n-gons (more than 4 sided polygons). If that is the case you may be able to get a better result by switching the Output: option to "Quads & Triangles". It is not too unusual for programs to have difficulty in processing complex polygons with a lot of sides, I'm pretty sure that PowerNurbs does not export n-gons so that may be another difference that explains what you are seeing.

- Michael
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 From:  lwan
992.5 In reply to 992.4 
OK I'll check all those great advices and will keep you updated about the results !
thanks again
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 From:  lwan
992.6 
here is a render of it with Fryrender :
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 From:  Frenchy Pilou (PILOU)
992.7 In reply to 992.6 
added to the Special thread Gallery :)
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  yannada
992.8 In reply to 992.7 
Hi Iwan, could you have a plugin for moi?
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 From:  Ed
992.9 
Iwan,

What steps did you take to render in Fryrender?

I downloaded the Fryrender demo and it does not import geometry.

Ed
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 From:  lwan
992.10 In reply to 992.9 
Fryrender do not import geometry by itself, it's a render manager application only, you have to import the model in your favorite application (if a plugin available of course) and then you export from here.
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 From:  yannada
992.11 In reply to 992.10 
hi Ed you could use Maxwellrender for that plugins available +plus studio that you could import geometry compose scene and render.....I choose maxwell just because of studio, Fry is cool 2
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 From:  Ed
992.12 
Thanks - I see that now. You professionals have more money to spend than me on render software :)

Ed
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 From:  yannada
992.13 In reply to 992.12 
trust me it will pay off
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