exporting to other 3d softs
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 From:  George (GKSL4) 5 Dec 2006  (9 of 23) 
240.9 
Another free program is Meshlab
http://meshlab.sourceforge.net/
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 From:  Michael Gibson 5 Dec 2006  (10 of 23) 
240.10 
I have tried to stay away from .3ds because it has several limitations - .3ds files are limited to triangles only (instead of allowing many-sided polygons), and they have a size limit of 65535 points/polygons for a single mesh. And in addition they don't have the ability to contain a type of smoothing information called "vertex normals". The .obj format doesn't have these limitations.

Most software that can read polygon information can handle .obj files, but I guess that there are unfortunately a few that don't - I guess Sketchup is one of these. Are there others?

I guess that I can add .3ds format if it is really necessary. It is actually a lot less work to add .3ds than DXF/DWG.

- Michael
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 From:  Michael Gibson 5 Dec 2006  (11 of 23) 
240.11 In reply to 240.5 
> that'it : you see the polys only if you name the file a different
> name from the one you export from (am I clear???)

This should be fixed in the most recent beta (version Dec-1) - with this version, it should change the file extension when you change the "Save as type" dropdown.

- Michael
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 From:  tyglik 5 Dec 2006  (12 of 23) 
240.12 In reply to 240.10 
By the way, which types of data may be included in the exported .obj file by MoI.

- group name (g),
- object name (o),
- smoothing group (s),
- vertex data (v),
- texture vertices (vt),
- vertex normal (vn),
- face(f)

something else?


Petr
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 From:  Frenchy Pilou (PILOU) 5 Dec 2006  (13 of 23) 
240.13 In reply to 240.12 

Export to Google Sketchup works fine with the gobetween Blender Obj -->dxf :)
(3DS don't want work in Google Sketchup ??? with the Canon file of Steph :(
Here my try with only less triangles (other Ngones or Quads + trianles don't well works for Google Sketchup)

Ps During the export in MoI does it possible to see somewhere Numbers of Polygones?

Ok I have seen it! It's Up page right corner in MoI ! :)

EDITED: 5 Dec 2006 by PILOU
Attachments:
Attachmenttest.jpg
Attachmentwire.jpg
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 From:  Michael Gibson 5 Dec 2006  (14 of 23) 
240.14 In reply to 240.12 
> By the way, which types of data may be included in the exported .obj file by MoI.
> <...>
> something else?

Nope, that's all of it for now. Eventually material support will be added once MoI actually has render materials.

- Michael
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 From:  Michael Gibson 5 Dec 2006  (15 of 23) 
240.15 In reply to 240.13 
> Export to Google Sketchup works fine with the gobetween Blender Obj -->dxf :)

Yup, but it sure would be nice to bring n-gons into Sketchup since Sketchup does support multi-sided polygons.

It's really unfortunate that Sketchup does not read .obj files right now.


> Ok I have seen it! It's Up page right corner in MoI ! :)

Yup, that's brand new for the last beta.

- Michael
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 From:  Frenchy Pilou (PILOU) 5 Dec 2006  (16 of 23) 
240.16 In reply to 240.15 

Hi Michael
I have found a Ruby script for import OBJ file format in Sketchup :)
http://www.crai.archi.fr/RubyLibraryDepot/Ruby/RUBY_Library_Depot.htm

Not yet tested but... suspense If it's works that's a true gem :):)
You must have this progressBar.rb
and the principal script : Objloader.rb
All is free and must put into the folder Plugins of GoogleSketchup http://sketchup.google.com/

I will test that :)

oups don't more exist :(

EDITED: 5 Dec 2006 by PILOU
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 From:  Michael Gibson 5 Dec 2006  (17 of 23) 
240.17 In reply to 240.16 
> oups don't more exist :(

Too bad! :(
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 From:  Frenchy Pilou (PILOU) 5 Dec 2006  (18 of 23) 
240.18 In reply to 240.17 

No Refound it here :)

http://forum.sketchup.com/showthread.php?t=72133
and you can load the file objloader.rb (slide the page)
he said "Still doesn't handle negative face indices, i am working on it"
hum hum :)

Progress bar can be found here http://www.smustard.com/script/ProgressBar and press download up page right corner

Suspense again !
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 From:  Michael Gibson 5 Dec 2006  (19 of 23) 
240.19 In reply to 240.18 
Cool!

> he said "Still doesn't handle negative face indices, i am working on it"

That's ok for MoI - MoI never writes negative face indices (it is an optional way to structure the OBJ file).

- Michael
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 From:  Michael Gibson 5 Dec 2006  (20 of 23) 
240.20 In reply to 240.18 
But looking at that code, it looks a little bit too basic - it seems to only gather just 3 points per face, so I think it is assuming that there are only triangles in the .obj file... :(

- Michael
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 From:  Frenchy Pilou (PILOU) 5 Dec 2006  (21 of 23) 
240.21 In reply to 240.19 

Loaded and launch it ; all is installed inside the menu Plugin but when you press a filename OBJ nothing appears and seems actived :(
I have tested on litlle object simple cube, octogon or big like the canon
Never seen the progressbar !
It's a pity ! Maybe the next time !
So you must code your own ketchup Obj import I presume for more cool results :)
Seems not too complicated :D
Format obj is a free format or copyright format?

EDITED: 5 Dec 2006 by PILOU
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 From:  Michael Gibson 5 Dec 2006  (22 of 23) 
240.22 In reply to 240.21 
> Format obj is a free format or copyright format?

It's an open, documented format.
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 From:  terrageneric (ERICDAURAT) 6 Dec 2006  (23 of 23) 
240.23 In reply to 240.22 
Hi everybody!
it seems that I started a real discussion issue: I 'am impressed, and your discussions extend to chinese subjects for such a beginer like me :).
Anyway, I will try Blender as go between, waiting for a new release of MoI, with that export function.
Thank you, Michael (and wonder Pilou!), for being so close and reactive, in front of modest users like me.
It's always very agreable to feel involvement, wherever it is!
If anything else, i'll let you know,
in the meanwhile, thank you and take care!!!!!
friendly
Eric
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