Problem exporting to 3DS

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Re: Problem exporting to 3DS

Postby pistacja » Tue Jan 21, 2014 5:23 pm

This is a 3ds max quirk. I think.

For max transparency =1 is invisible and transparency =0 is opaque.

In the FBX:
P: "TransparentColor", "Color", "", "A",1,1,1
is for max "invisible"
Changing it to:
P: "TransparentColor", "Color", "", "A",0,0,0
makes the model visible.

I don't know much about FBX and what is the right way to understand "TransparentColor", but that would be the fix for max.

The other way is to just change the opacity slider after loading the model in max.
This post was made thanks to Me, Myself and I.
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Re: Problem exporting to 3DS

Postby Manuel » Tue Jan 21, 2014 6:30 pm

Krister3D wrote:Hi Manuel,
Yes this one works i think....I get this:


Ok. Thank you for the patience. So you can successfully import the base.obj, but not a character exported in .obj (or .fbx) from makehuman.
This deserve the attention of our developers indeed.
Do you know how to check the normals of the imported .fbx or .obj (the one that failed) ?
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Re: Problem exporting to 3DS

Postby duststorm » Tue Jan 21, 2014 7:02 pm

pistacja wrote:This is a 3ds max quirk. I think.

For max transparency =1 is invisible and transparency =0 is opaque.

In the FBX:
P: "TransparentColor", "Color", "", "A",1,1,1
is for max "invisible"
Changing it to:
P: "TransparentColor", "Color", "", "A",0,0,0
makes the model visible.


Thank you for pointing this out.
It is in fact correct with the official FBX specification:
Code: Select all
KFbxPropertyDouble1 GetTransparencyFactor ( ) const
    Get the transparency property.
This property is used to make a surface more or less opaque (0 = opaque, 1 = transparent).

Source: FBX SDK API doc


Made a ticket for it.
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Re: Problem exporting to 3DS

Postby ThomasL » Wed Jan 22, 2014 9:46 am

Fixed in r6842. Tranparency is apparently ignored both by the free FBX converter and the BOS-FBX BLender plugin.

I'm curious how the eyes come out. Can you see the iris?
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Re: Problem exporting to 3DS

Postby Krister3D » Wed Jan 22, 2014 12:56 pm

Hi again,
I am afraid that the only way I can check the normals of the person is using the "clay" viewport configuration which shows this:

About the Iris, since I only get a wireframe it does not show the Iris.

Sorry about this, I am new to both 3ds and Makehuman
Attachments
Capture4.PNG
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Re: Problem exporting to 3DS

Postby ThomasL » Thu Jan 23, 2014 1:46 am

What I meant was that the transparency bug was fixed in svn. You need to make an svn update or download a new nightly build (wait until next day for that) for the changes to take.
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Re: Problem exporting to 3DS

Postby Krister3D » Mon Jan 27, 2014 2:24 pm

Hi again,
I downloaded a new version of makehuman and it looks much better, but the eyes are wrong.
See attached picture. Is there anything that can be done for the eyes?
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man4.PNG
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Re: Problem exporting to 3DS

Postby Krister3D » Wed Jan 29, 2014 3:16 pm

Updated to the latest version of MakeHuman nightly and now the man looks like this when imported....
Feels like we are going the wrong way.....
Attachments
Capture5.PNG
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Re: Problem exporting to 3DS

Postby ThomasL » Thu Jan 30, 2014 6:17 am

The most recent commit to the fbx exporter (r6849) was made on Jan. 24. Judging from the dates of your two last post, I dont think the exporter has changed inbetween. Here are two recent tests with the AD fbx importer.

The high-poly eyes are dark but not totally black. I think that the cornea is actually transparent, but that it casts shadows on the eyeball. I don't know how to prevent materials from casting shadows in fbx. You could try the low-poly eyes, which don't have a cornea, but for some unknown reason the low-poly eyes crash the fbx converter for me. Perhaps 3dsmax is more forgiving.
Attachments
fbx-export.png
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Re: Problem exporting to 3DS

Postby Krister3D » Thu Jan 30, 2014 11:00 am

Thanks all for the help I have received.
It seems like most of my problems come from me being a newb....

Only problem I have now is that the textures does not get included when I export the file. Right now I have to copy them over manually.

All is good now, even the eyes work well.
Attachments
Capture6.PNG
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