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Old 12-30-2012, 12:35 AM   #1
FerryP
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MR Materials / Rendersettings tutorials?

Hi guys,

I'm desperate for good tutorials.

I want to render a car-model I received from a friend of mine, just to see if I can get descent looking materials and a nice render. In 3Ds Max I could make pretty nice renders using Vray, but I'm having difficulties with Maya & Mental Ray.

What I'm looking for is a good and detailed tutorial on how to get a nice studio render of a car using Mental Ray. So including how to make convincing materials, add good lighting and how to use the render settings. If someone knows about a good one, please tell me about it. Paid tutorials are also welcome.

And if someone here could maybe send me a scene with all this (good materials, nice lighting and beauty render settings), that would be super awesome!

Thanks in advance!
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Old 12-30-2012, 02:18 AM   #2
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This one is the newest one around that I know of.
http://www.lynda.com/course-tutoria...a/107983-2.html
 
Old 12-30-2012, 03:09 AM   #3
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Quote:
Originally Posted by Panupat
This one is the newest one around that I know of.
http://www.lynda.com/course-tutoria...a/107983-2.html


Thanks...but I don't own Nuke :(
I did, however, find this tutorial. I will try this one, but more specific tutorials on how to make studio car renders are still welcome
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Old 12-30-2012, 10:53 AM   #4
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Nuke is only for the last part where you composite your render passes together... The rest are Maya+Mental Ray. You can follow the tutorial and comp them in photoshop/after effects, same thing.
 
Old 12-30-2012, 01:02 PM   #5
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I see...thanks

Still...more tutorials on how to create realistic materials and such are much appreciated, as well as a downloadable scene from which I would learn a lot!
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Old 12-30-2012, 07:27 PM   #6
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In mental ray, most of what you're shading can be accomplished with the mia_material_x. It's really not something you can learn quickly. You can however find libraries of mental ray materials that other people have made and shared, such as the FBI Shader Library or other repositories.

For an automotive scene, the car would be mostly mia_material_x_passes with the main paint shader using a carpaint shader for the color section at least. Shading with mental ray is not exactly straightforward and simple, at least in Maya. Experimentation is necessary, mistakes and test-renders are necessary. It can be painful.

For lighting, use visible mental ray Area Lights as "light cards" and scale and position them according to your camera shots so you get the best highlights. You can kinda set this up visually, but again, test-renders are in order to refine your image(s).

I'd also suggest doing a search here for any particular type of material you're trying to create. Chances are, someone else has also tried that material and may have some insight!
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Old 12-31-2012, 01:35 PM   #7
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Quote:
Originally Posted by InfernalDarkness
In mental ray, most of what you're shading can be accomplished with the mia_material_x. It's really not something you can learn quickly. You can however find libraries of mental ray materials that other people have made and shared, such as the FBI Shader Library or other repositories.

For an automotive scene, the car would be mostly mia_material_x_passes with the main paint shader using a carpaint shader for the color section at least. Shading with mental ray is not exactly straightforward and simple, at least in Maya. Experimentation is necessary, mistakes and test-renders are necessary. It can be painful.

For lighting, use visible mental ray Area Lights as "light cards" and scale and position them according to your camera shots so you get the best highlights. You can kinda set this up visually, but again, test-renders are in order to refine your image(s).

I'd also suggest doing a search here for any particular type of material you're trying to create. Chances are, someone else has also tried that material and may have some insight!


Thanks! Much appreciated!
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Old 01-02-2013, 11:43 AM   #8
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For reference...this is the kind of quality I want to reach:

Full resolution: http://www.free-hdwallpapers.com/wa...cars/559839.jpg

Any help on how to get such results would be much appreciated!
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Old 01-02-2013, 12:02 PM   #9
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Here's another one, probably newer.

http://www.digitaltutors.com/11/tra...=888&autoplay=1

I like Digital Tutor more than Lynda, give it a shot.
 
Old 01-02-2013, 12:05 PM   #10
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Quote:
Originally Posted by Panupat
Here's another one, probably newer.

http://www.digitaltutors.com/11/tra...=888&autoplay=1

I like Digital Tutor more than Lynda, give it a shot.


Thanks. But I think they are a little bit expensive. Twenty dollars per month more then Lynda.
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Old 01-02-2013, 12:30 PM   #11
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I'd suggest reading the documentation for the mia_material(_x) carefully. It contains advice on general settings for different materials and has a lot of images and explains the settings very well. I'd also recommend looking up Zaps old blog at mentalraytips.blogspot.com (and for newer workflows and rendersettings elementalray.wordpress.com). After that I'd recommend finding reference images and trying to get similar results.
 
Old 01-02-2013, 01:26 PM   #12
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$45 for all those resources is really a good deal if you ask me. You can also look at Gnomon Workshop. Their tutorials are $60+ per DVD.

And it's wayyyyyyy cheaper than, say, joining online class or enroll in actual class CG Workshops are $600+ per class lol.
 
Old 01-02-2013, 03:12 PM   #13
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Quote:
Originally Posted by Panupat
$45 for all those resources is really a good deal if you ask me. You can also look at Gnomon Workshop. Their tutorials are $60+ per DVD.

And it's wayyyyyyy cheaper than, say, joining online class or enroll in actual class CG Workshops are $600+ per class lol.


Ofcourse...that's true. But if you want to render with Vray there are TONS of good and free tutorials. I wish there were as much about Mental Ray as well.
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Old 01-03-2013, 08:12 AM   #14
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Here is where I am now...far from done, but it's getting somewhere:

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Old 01-03-2013, 08:25 AM   #15
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Well it's certainly a beautiful vehicle you've chosen! Why didn't you just say you were rendering a Skyline?

Off to a good start, but for the sake of sharing with us please leave out the lens flare and post-production effects for reference. If we're going to analyze your shaders, it's best that we see them clean?

That said, I think lighting is just as important as shading for showcasing an object or subject. Are you using an HDR image for lighting at all here? It looks like you've got an area light in there so far.
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