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What's your opinion about this wish?
Essential (5)
62%
 62%  [ 5 ]
Important (4)
12%
 12%  [ 1 ]
Average (3)
25%
 25%  [ 2 ]
Not important (2)
0%
 0%  [ 0 ]
Not needed (1)
0%
 0%  [ 0 ]
Average: 4.38 points
Total Votes : 8

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SPINCODE
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PostPosted: Fri Jan 30, 2015 8:13 am    Post subject: Easy and clean load of 3Ds,obj, models in archicad library Reply with quote

The Bim library couldn't not cover all needs, so
it will be helpfull, if archicad can just load in library, and
immediately use objects, that are not gdl-programmed, but
are just a 3Dmodel. Import 3ds tool still have glitches, and
loses significant information of texture, and mapping, smoothing groups and so on. There is huge amount of premade 3d-objects in 3ds-max format of outstanding quality. It will be nice to just use them in archicad in couple of clicks.

The idea is to enable the archicad to work with objects, that have not any kind of gdl information, but only 3d faces, surfaces, mapping, and texture.
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Link
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PostPosted: Fri Jan 30, 2015 2:05 pm    Post subject: Re: Easy and clean load of 3Ds,obj, models in archicad libr Reply with quote

You could take a look at Modelport.

Cheers,
Link.

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SPINCODE
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Location: Russia

PostPosted: Sun Feb 01, 2015 5:33 pm    Post subject: Re: Easy and clean load of 3Ds,obj, models in archicad libr Reply with quote

It is just one more 3ds-import tool. It makes huge gdl-based objects.
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Basil Popov
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Piotr Dobrowolski
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PostPosted: Sun Feb 01, 2015 7:09 pm    Post subject: Re: Easy and clean load of 3Ds,obj, models in archicad libr Reply with quote

The size of the file is caused by 3ds content unfortunately.
3ds file format is an ancient one and takes with it a lot of its problems - for example the 3ds format can handle triangles only - no quads, no polys.
Obj is as old, but little better - can handle polys or quads (I am not quite sure about the polys) - however the direct import of obj's was abandoned some time ago in AC unfortunatley, and due to the material definition sidecar file it is not handled correctly in some cases.

The current importers of 3d content base on pre 18 AC surfaces engine - so a lot of texture information cannot be imported.

3ds Max format is unfortunately possible to open by one application -Max -only due to licensing and proprietary of the format. No 3d app can open it.
And it is not that easy to export the content of such file because the creator of the Max dislikes any format, but the ones created by themselves ;P especially they do not like the open formats ;P

The size of the file converted from any 3d format is sometimes huge because it is represented in GDL by the most primitive commands: VERT, EDGE, POLY, TEVE. The mesh is first defined by vertexes with their coords, then edges connect the vertexes, and then the edges create the polygons that cover the model, and all of this is pure text - so uncompressed can take a lot of space.
Save any quite complicated morph to GDL object and see for Yourself how big it can be.
Anyway the box created by box/brick command and the one created by primitives - say 10 time longer definition does not affect the speed of 3d generation - because even the higher level GDL commands are translated to primitives inside the engine, only affects the file size on disk.
The performace is affected in most cases by the no-good 3d content imported - like the holes in the 3d mesh and self folding mesh - a lot of free/ amateur made files are prepared without enough caution for such cases - as they do not affect performance of 3d modellers, but AC is affected very much in performance when having meshes with such errors.


I hope for better 3d format importers too, and ones with the 3d simplification/optimization - which is a big work to do.
I hope for correct texture defs especially when the object will be exploded to morph - now even UV map is lost Sad

Best Regards,
Piotr
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SPINCODE
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PostPosted: Sun Feb 01, 2015 8:56 pm    Post subject: Re: Easy and clean load of 3Ds,obj, models in archicad libr Reply with quote

You wrote an article, Piotr!
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Basil Popov
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DGSketcher
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Joined: 22 Jul 2011
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PostPosted: Mon Feb 02, 2015 1:01 pm    Post subject: Re: Easy and clean load of 3Ds,obj, models in archicad libr Reply with quote

Nice idea but I think it is unlikely to happen.
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Ivy Chenier
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PostPosted: Thu Jul 02, 2015 4:10 pm    Post subject: Re: Easy and clean load of 3Ds,obj, models in archicad libr Reply with quote

Link wrote:
You could take a look at Modelport.

Cheers,
Link.


Thanks for the link, Big help Smile
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