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The Ultimate 3D Autodesk Maya and NVIDIA Mental Ray Iray Architectural Visualizations Rendering, Lighting and Texturing learning resource.
For more info please check the link below which points to the main thread at the CGSociety website, where I’m publishing some of the Tutorial Guide assets:
http://forums.cgsociety.org/showthread.php?p=7129440#post7129440
Following up from the main thread at CGTalk, will post here my latest online rant:
Glad to hear all is well! Look forward to checking out those massive beast scenes when you get them all uploaded! Thanks for all the hard work Alex. -Justin
Thanks Justin and just completed the render of a 400 MB Maya 2012 scenes using the Mental Ray Unified Sampling, in conjunction to the IBL Environment Lighting feature and everything worked out just fine…
So I’m very pleased since the assets are simply outstanding, plus I start to feel that this endless journey started almost 3 years ago… Is finally coming to an end...!
As promised here we go with the Maya 2009X32 and 2009X64 production scenes as well as the required scripts, plugins and file textures.
The recently slightly refined Maya 2009X32 production scene which I remind you was created back in 2009, mainly for the user still running on 32.bit OS with just 4 GB of Ram…
No Mental Ray Render Passes here, just Maya Render Layers and remember to disable the mia materials Detail Ambient Occlusion feature using the Attribute Spreadsheet…
Just as I did for the Maya 2009X64 scene, or you will face high render times.
With the “sunDirection” node “Emit Photons” checkbox, disabled:
Link to the high rez version:

With the “sunDirection” node “Emit Photons” checkbox, enabled:
Link to the high rez version:

Got the idea to use a huge Mental Ray Portal Light placed under the “FLOORDISPLACED” node, from LuGher3d a very talented Maya and Mental Ray artist and tutor…
I just refined this lighting workflow by enabling the “Emit Direct Photons” checkbox, which disables the Mental Ray Portal Light emission.
Let’s say that the Portal Light node is not emitting Photons at all, instead it gathers and concentrate the Photons emitted by the “sunDirection” node and shoot them back in the scene…
When using this lighting approach remember to disable the “FLOORDISPLACEDShape” node “Cast Shadow” checkbox, to allow the Photons passing through the floor thus contributing to the main scene illumination.
For more info check the link below, which points to the Maya 2009X32 production scene screenshots in the Acrobat Portfolio.pdf format:
http://www.samui3d.com/SPONZA2009X32_2009_SP1A_Screenshots.rar
And finally… The Maya 2009X32 production scene download:
http://www.samui3d.com/SPONZA2009X32_2009_SP1A.rar
As well as the Maya 2009X32 scene, Open Exr final render output:
http://www.samui3d.com/Maya_Production_Scenes_2009X32_SP1A_Exr_Renders.rar
A couple of screenshots from the recently refined Maya 2009X64 production scene which is the main “workhorse” of the Maya 2009 section, with all the features discussed in the Part1, Part2 and Part3.pdf docs…
Btw the Maya 2009X64 production scene renders much faster, since that I already disabled the mia materials Detail Ambient Occlusion feature:
Link to the high rez version:

A screenshot from the Maya 2009X64 production scene, “AO” Render Layer:
Link to the high rez version:

For more info check the link below, which points to the Maya 2009X64 production scene screenshots in the Acrobat Portfolio.pdf format:
http://www.samui3d.com/SPONZA2009X64_2009_SP1A_Screenshots.rar
And finally… The Maya 2009X64 production scene download:
http://www.samui3d.com/SPONZA2009X64_2009_SP1A.rar
As well as the Maya 2009X64 scene, Pro Exr final render output:
http://www.samui3d.com/Maya_Production_Scenes_2009X64_SP1A_Pro_Exr_Renders.rar
And the Maya 2009X64 scene, Custom Label Pass render output:
http://www.samui3d.com/Maya_Production_Scenes_2009X64_SP1A_Label_Renders.rar
Now assuming you already downloaded the main “SPONZATUTORIAL” folder mirror download, kindly provided by Mitch aka “EightBit"…
The “SPONZATUTORIAL” folder mirror download, kindly provided by “EightBit”:
http://www.thepixelfarm.com/ArchvizGuide/SPONZATUTORIAL.rar
Btw I posted the link to the mirror at the start of the thread as well, go on and download it since it has the previously uploaded assets organized in the original tutorial folder structure.
To use the above Maya production scenes you will need to download the updated scripts plugins and file textures as well, which are the final and full version of the tutorial assets…
Remember to store a copy of the original “SPONZATUTORIAL” folder mirror download before to add or replace the previous scripts, plugins and file textures assets.
The final version of the “SPONZAMAPFILES2009” file textures folder:
http://www.samui3d.com/SPONZAMAPFILES2009.rar
The final version of the “Mr_Custom_Shaders_and_Scripts_2009_SP1A” folder:
http://www.samui3d.com/Mr_Custom_Shaders_and_Scripts_2009_SP1A.rar
As well as the updated version of the previously uploaded “My_Documents_maya_folders” folder, which I used to refine all the main Maya production scene and once again…
Backup the original Maya folders located under the C:\Users\xxx\Documents directory on your drive, before to replace them with these folders:
http://www.samui3d.com/My_Documents_maya_folders_Updated.rar
A last note on the “SPONZA2009X64_SUNSET_2009_SP1A” and the “SPONZA2009X64_NIGHT_2009_SP1A” scenes, which I recently created to test the different lighting workflows discussed in the Part2 and Part3.pdf docs…
A screenshot from the “SPONZA2009X64_SUNSET_2009_SP1A” Maya production scene:
Link to the high rez version:

A screenshot from the “SPONZA2009X64_NIGHT_2009_SP1A” Maya production scene:
Link to the high rez version:

Even if these scenes was not included in the tutorial I will be glad to share these extra scenes, with the guys who supported me here on CGTalk and kept following up with this thread…
I’m still not sure about sharing them with the rest of the 3d Maya and Mental Ray community, which still seems to keep ignoring this huge project…
Will be back next week to briefly show you some screenshot from the almost (20) Maya 2011 and 2012 production scenes, but this is another story...!
For the time being, guess I completely fulfilled the promise made back in 2010…
“The message I stress: to make it stop, study your lessons… Don’t settle for less, even a genius asks questions… Be grateful for blessings and don’t ever change, keep your essence...”
Ciao...!
Alex Sandri
http://www.samui3d.com
:lol:
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