MoI export file for KeyShot Closed  1-20  21-40  41-54

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 From:  Gregor (GBZH01)
6812.1 
Hi there
Maybe some of your can help. I started recently to use KeyShot instead of Cinema. For Cinema, I usually exported .obj files. KeyShot is able to read those files as well but I get some errors. Like here, a solid out of which I made a shell. When exporting into .obj and import into KeyShot, the shell is gone. I don't get that





EDITED: 1 Dec 2014 by MICHAEL GIBSON


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 From:  celticdog
6812.2 
is it possible that the box imported upside down? Its pretty common for the orientation to be messed up when importing to keyshot
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 From:  Gregor (GBZH01)
6812.3 In reply to 6812.2 
This happens usually not with .obj but with .3ds file

I found the key just a minute ago.

Don't export N-gon. Instead choose Quads and Triangles. Then it works. Thanks a lot.
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 From:  TpwUK
6812.4 In reply to 6812.3 
KS5 supports 3DM now and can render the NURBs surfaces directly, no converting or tessellation worries. For quick simple geometry there is not too much difference in speed either, but complex models slow KS drastically

Martin Spencer-Ford
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 From:  Ronamodeler (RON_A)
6812.5 In reply to 6812.4 
I use KS4 with my 3dm files; and all works well. I find what slows it more than the geometry is transparent / translucent materials, and high contrast shadows. But I love it anyway. :-)
Ron
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 From:  Gregor (GBZH01)
6812.6 In reply to 6812.4 
Tried that one as well but I get an error message when trying to import MoI .3dm files. Translated, it means 'There is no 3D geometry. In Rhino, select view/shaded before saving the file.'
No idea how to solve that one in MoI
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 From:  bemfarmer
6812.7 In reply to 6812.6 
Last week I tried out Keyshot 5 demo and Simlab composer 2015. (Alibre/Geomagic forum/ Moi section.)

Keyshot 5, demo, would not import the Moi (Nurbs only) .3dm file. It must just import the rhino .3dm file with render mesh data, not the Nurbs.
EDIT: Simlab composer 2015, demo, does not do Nurbs only .3dm import either. (Rhino render mesh data would be needed.)

http://moi3d.com/forum/index.php?webtag=MOI&msg=6340.2

>>>EDIT: Keyshot 5 PRO version, does import NURBS<<<
So much for evaluating demo.

- Brian

EDITED: 8 Jul 2014 by BEMFARMER

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 From:  TpwUK
6812.8 In reply to 6812.7 
Hi Brian, wonder if it's a KS5 pro thing, but here is a screen grab showing NURBs surfaces only, no mesh data as i don't use Rhino on the Mac OS X platform.

Martin Spencer-Ford
Image Attachments:
Size: 1.2 MB, Downloaded: 123 times, Dimensions: 1920x1080px
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 From:  Michael Gibson
6812.9 In reply to 6812.3 
Hi Gregor,

> I found the key just a minute ago.
>
> Don't export N-gon. Instead choose Quads and Triangles. Then it works. Thanks a lot.

Yes, some programs can get confused by complex n-gons and have problems converting polygons made up of many sides into a triangulated result which is usually needed for the actual rendering.

To solve that use the "Output: Quads & Triangles" option when exporting out from MoI, just like you found - that does the triangulation inside MoI where it's more robust.

- Michael
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 From:  bemfarmer
6812.10 In reply to 6812.8 
Hi Martin.

Do you have a test Moi .3dm which imports to Keyshot5?

With Keyshot5 demo, I get the error message:

 

Brian

EDITED: 7 Jul 2014 by BEMFARMER

Image Attachments:
Size: 43.6 KB, Downloaded: 30 times, Dimensions: 517x154px
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 From:  Michael Gibson
6812.11 In reply to 6812.6 
Hi Gregor,

> Tried that one as well but I get an error message when trying to import MoI .3dm files. Translated, it means
> 'There is no 3D geometry. In Rhino, select view/shaded before saving the file.'
> No idea how to solve that one in MoI

There isn't any way to solve that in MoI, when you run into this it means you should use OBJ format instead..

Basically Rhino can in some situations save the display mesh used to show shaded surfaces in the 3DM file - it does this because it's rather slow to generate the mesh and so once it makes one it tries to cache it to use later on.

Some programs do not really read the real NURBS objects out of a 3DM file and instead only look for this cached display mesh data only.

MoI does not write that display mesh data because it has a very fast display mesher and writing the display data into the file tends to bloat up file size by quite a bit.

It's not really a good idea for programs to only read this cached Rhino display data as the main way for data transfer, because there are many situations where Rhino itself does not write it either, like when you do a "Save small". But some programs try to do that as a shortcut to avoid having to process the real solids in the file.

- Michael
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 From:  TpwUK
6812.12 In reply to 6812.10 
Yes Brian I do ... Here is the eye 3DM

Martin Spencer-Ford

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 From:  bemfarmer
6812.13 In reply to 6812.12 
The Eyeball-Base-Model.3dm does not open, nor import, into the Demo Keyshot 5.

- Brian
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 From:  DannyT (DANTAS)
6812.14 
Hey guy's, when I had an earlier version of KS .step import was quite successful, not sure how much development went into that side of things since. The only thing was it came into KS as one colour.

-
~Danny~
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 From:  coi (MARCO)
6812.15 In reply to 6812.13 
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 From:  TpwUK
6812.16 
Thanks for the chart Marco, that clears things up nicely, hopefully this will help too ...

KeyShot Pro version 5 Imports the following formats and supports these MoI object settings

fbx = no style - no object name
iges = style colour - no object names
obj = style colour - yes object names
sat = style colour - no object names
skp = no style - no object name
stp = style colour - no object names

KeyShot 5 Pro will import 3DM files from MoI but ignores ObjectNames however it will import the StyleName and StyleColor. But does not support multi-style solids.

Martin Spencer-Ford

EDITED: 8 Jul 2014 by TPWUK

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 From:  bemfarmer
6812.17 In reply to 6812.15 
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 From:  Gregor (GBZH01)
6812.18 In reply to 6812.16 
Now, my question is: which file is the best to be imported into KeyShot? The goal is of course the performance-keeping object names and colors
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 From:  Michael Gibson
6812.19 In reply to 6812.18 
Hi Gregor,

> Now, my question is: which file is the best to be imported into KeyShot?
> The goal is of course the performance-keeping object names and colors

I'd recommend OBJ format, use the option "Output: Quads & Triangles" when exporting it out from MoI.

That I think has the best support for object names and style colors coming through.

- Michael
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 From:  TpwUK
6812.20 In reply to 6812.18 
If you want to keep StyleColours with ObjectNames then OBJ is the way to go. KeyShot can and does handle Billions of triangles very well, so you don't need to worry too much about the mesh densities generated. Personally the setting i find works best to go to other OBJ editing tools are Angle 40, divide all larger than 5, scale to 0.1 - That works well going into Zbrush and Modo and Cheetah on the Mac to be subdivided and to sculpt textured objects for creating render maps such as normals and specularity etc.

If you are doing models that are paint, plastic, glass you're ready to go into KS. Remember when importing into KS that you need to set the Z is up option and to set your units in the Size section of the importer.

This way you get two options for optimal export.

1. Develop a colour - material type regime which has been adopted by many over the years - e.g. Cyan = Clear Glass
2. Use object names that describe the object and material in one - e.g. DoorHandle_BrushedAluminium

Don't use punctuation or special characters in naming conventions. If you need a space use an underscore ... It's the safest way

Martin Spencer-Ford
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