Need some help with a project I’m working on. I procedurally modeled a set of teeth in 3DS Max and UV mapped them as well. I exported them individually as obj’s and brought them into Mudbox. The first one I painted worked just fine and the colors showed up correctly when I painted a diffuse layer.

When I opened up the rest of them and attempted to paint them in Mudbox they painted as a darker version of the base color. I checked that the UVs imported over correctly and made sure I hadn’t changed any of the export settings for the rest of the teeth.

Any ideas? I can’t see what I did differently that would cause the diffuse layer to paint as a color other than the one I’ve selected for my brush.

Here is the dropbox link to a zipped file with my max file and 2 of the objs I tried. I don’t have a mud file, I just imported the objs in and attempted painting onto them before saving as a mud.

http://dl.dropbox.com/u/20495099/Teeth.zip

I’ll choose any color and the color that will paint is a darker version of the default clay color provided by Mudbox. I thought it may have been showing up wrong in Mudbox but after importing it back into Max or looking at the exported map it shows as that color. I think it may be something simple too or a step I missed but I can’t spot it.

I provided a few of the files I’m working with. The max file is the file I’m exporting from and the obj is one of the teeth I exported for use in Mudbox.

I dont see any files. Did you attach them?

Sounds very bizarre though. Do you have a .mud for me to try this myself?

I’ve done quite a bit of painting in mudbox and I’ve not run into anything like this.

See if you can upload a file by attaching it to to a post here or linking it. I would like to check out the .mud

Please read this post for help with attachments.

Max 4.2 through 2013.
XP-64 (SP2)
NVidia 9800GTX-512 (Driver 266.58).
Core 2 Quad Q6600 2.4GHz, 8Gb Ram, DX9.0c.

Thank you! I was having issues getting my attachments to work. I edited my first post and added in a link to my dropbox account with the files.

I imported both objects into mudbox 2012, and the same correct colors paint on both objects as they should.

Can you write out the steps to recreate what you are seeing. It seems to work fine.

There is a painting problem though which is not color related. Basically painting strokes on the object will not paint some areas. This is partially due to the camera’s near clipping plan being set to high. Set it to .01 because the object is a very small scale.

There will still be areas that wont paint. This is kind of one of those mudbox oddities i could never understand.

Anyways, you may want to try deleting your mudbox settings folder located in your documents folder. This may help reset everything as it should be just in case something got really out of wack.

What kind of GPU are you using?

I just tried it again and it seems the problem is no longer happening. Which is good news but I can’t help but wonder what the issue was before. If the problem creeps back in I’ll delete the settings folder and see if that fixes the issue.

I’m using an NVIDIA GeForce GTX 560M graphics card (Laptop).

Appreciate the help!

are you working with the projection brush..?
if you use the projection brush the color of the brush will tint your image…

http://www.linkedin.com/pub/christoph-schaedl/6/558/73b

Ok, I’ve attached an example of the issue.

I imported in the obj, haven’t saved it yet. Created a diffuse paint layer and began painting. The first layer worked fine, then I created another layer and this one paints strangely.

	Attachment