| Colored multi objects [message #11566] Fri, 09 April 2010 15:03 UTC |
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Today I uploaded a couple of colored objects, and had issues when I tried to upload a vrml that had 2 objects. Has anyone uploaded a colored vrml with multiple objects? Especially one made with blender?
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #11577 is a reply to message #11566 ] Fri, 09 April 2010 16:40 UTC |
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I've seen your model, is it just colors, or is there an image associated to the model? I'm guessing that would require multiple maps which I believe is not accepted by shapeways as of yet. Oh well mine is 2 pieces for now.
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #11580 is a reply to message #11577 ] Fri, 09 April 2010 16:46 UTC |
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It uses one single texture map, I believe shapeways does not support any other coloring method ?
I just created one texture jpg with two textures beside each other.
Each element has its own UV coordinates projected, one constrained to the left part, one to the right. This should be possible for any combination of objects and textures.
It was very difficult to get a decent mapping for this model, so the bottom of the cube shows some pinching, which is not necessarily ugly in this model.
- Artist / Engineer / Designer / Shopowner / Volunteer / Moderator -
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| Re: Colored multi objects [message #11583 is a reply to message #11566 ] Fri, 09 April 2010 16:50 UTC |
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You can use default colors. Such as with my main modeling software, image association isn't supported, but If I make a part green it will be green when imported to shapeways.
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #11589 is a reply to message #11583 ] Fri, 09 April 2010 17:02 UTC |
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Ok, good to know !
Would love the ability of vertex coloring though, would allow for some very nice mathematically colored models. Tried it, but got message : texture map not found.
[Updated on: Fri, 09 April 2010 17:02 UTC]
- Artist / Engineer / Designer / Shopowner / Volunteer / Moderator -
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| Re: Colored multi objects [message #12217 is a reply to message #11566 ] Tue, 27 April 2010 14:08 UTC |
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What software do you use Virtox? and do you think you could send me a copy of your gyroids vrml? I promise not to use it for other than trying to figure out how to do such a thing with Blender.
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #12249 is a reply to message #12217 ] Tue, 27 April 2010 18:51 UTC |
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I know the ZPrint color printers will allow multi-textures on files. I know .wrl and .3ds will export multi-textures and print just fine. It would be odd for SW not to allow it for some other reason but I haven't uploaded multi-texture files. (I can, if someone needs that tested). Are you stuck on not being able to get your model to one texture, or stuck on being able to use textures at all with Blender. I'm a Max guy, and don't know Blender.
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| Re: Colored multi objects [message #12252 is a reply to message #11566 ] Tue, 27 April 2010 19:04 UTC |
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I've figured out how to do it with the software I build with (KeyCreator) and then texturing in Blender. Working on a 4 piece model right now.
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #12321 is a reply to message #12290 ] Thu, 29 April 2010 20:19 UTC |
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I could have sworn that at the beginning only single maps were supported ?
Well.. good to know multiple textures are supported.
I also tried the vertex coloring in the beginning, but got an error that no texture map could be found?
Cheers,
Stijn
- Artist / Engineer / Designer / Shopowner / Volunteer / Moderator -
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| Re: Colored multi objects [message #12326 is a reply to message #11566 ] Thu, 29 April 2010 22:38 UTC |
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so, im confused...whats the workaround for multi textures in meshlab? it just says to use VRML, do you need to know the actual code......or.....?
I suppose i should just learn to use blender...
Aut Viam Inveniam Aut Faciam
Check out http://JakeDrews.Com and http://WondrousWidgets.Com for more designs by Jake!
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| Re: Colored multi objects [message #12537 is a reply to message #12290 ] Thu, 06 May 2010 14:17 UTC |
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I ran some tests, but I have not yet succeeded in uploading a color model with vertex coloring ?
That is to say, it uploads, "has color" checked.
I get no errors, but the object turns out grey in the preview render:
http://www.shapeways.com/model/116197/vertex_color_candle.ht ml
In meshlab it looks ok. Any thoughts ?
Any progress in fixing the 3d-view smoothing issues ?
And could you add color support int the 3d-view ?
- Artist / Engineer / Designer / Shopowner / Volunteer / Moderator -
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| Re: Colored multi objects [message #12538 is a reply to message #11566 ] Thu, 06 May 2010 14:21 UTC |
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I'm not sure what you mean by vertex coloring, do you mean just a solid model color?
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #12543 is a reply to message #12538 ] Thu, 06 May 2010 14:35 UTC |
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Coloring by vertex means, that for each vertex coordinate, the color is stored in the vrml file.
So all the corners using that vertex, get that color.
And each triangle can thus have a different color for each corner.
It should then interpolate the color across the faces.
Makes for some nice blobby 3d-textures.
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| Re: Colored multi objects [message #12547 is a reply to message #11566 ] Thu, 06 May 2010 15:07 UTC |
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Ah yes, I know my software doesn't export that information if it is exportable. Now if I set the solid to a color, that goes through, but not individual vertex's. I haven't tried bursting into surfaces and coloring that way, but I think it would show up as not a solid, and not be uploadable.
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #12553 is a reply to message #12547 ] Thu, 06 May 2010 16:22 UTC |
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I use Blender and I've uploaded a few multi-object VRML files with different colors. I didn't have any problems.
Maybe I'm missing something about this discussion though.
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| Re: Colored multi objects [message #12577 is a reply to message #11566 ] Fri, 07 May 2010 12:52 UTC |
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But shapeways says gray. I'm guessing it's a possible future improvement in the interpretation of the format?
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #12582 is a reply to message #11566 ] Fri, 07 May 2010 16:34 UTC |
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are you saying Shapeways says they only print gray when parts are vertex colored? I wasn't sure I understood your reply correctly. BTW, I went ahead and uploaded the vertex colored part, and it does indeed show color in the picture of the upload. BUT, the 3D viewer still shows gray, which isn't so supprising. So, I guess we need a SW ruling on this one. 
Part showing color by vertex after upload.
http://www.shapeways.com/detail?model=117525
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| Re: Colored multi objects [message #12583 is a reply to message #11566 ] Fri, 07 May 2010 16:43 UTC |
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I got mixed up, Virtox said it came in gray to shapeways. So we know shapeways does support vertex coloring!
The Mad Moder
michael@shapeways.com
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| Re: Colored multi objects [message #12634 is a reply to message #11566 ] Mon, 10 May 2010 07:39 UTC |
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I totally forgot to mention this Friday, but we actually updated our thumbnail rendering script that day.
Some vertex coloured models were indeed not getting rendered in colour. Virtox's color candle model was a example of this. I'm afraid I don't understand this stuff enough to explain what was fixed, but most importantly it now actually is fixed.
So if your vertex coloured model is still rendered in grey you should try uploading it again via the update feature and it should render correctly.
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