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NVidia ARC's iray developers write a iray's technical blog.

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iray 4: iray in standalone mental ray

As an example in here, I create one teapot in 3dsmax and assign a mia_material (Arch&Design). Since 3dsmax exports an mi file with 3dsmax shader dependency, mental ray standalone could have a problem to render that mi file. mental ray standalone usually doesn't have 3dsmax shaders. The main advantage of the standalone mental ray is parallel rendering on a render farm. I couldn't tell the legal license of the 3dsmax shaders. For the safe side, if we have no dependency to the 3dsmax shaders, it shouldn't have a problem. (Or you can also install 3dsmax to all the render farm machine, though it doesn't make much sense.) If I just render the mi file from the 3dsmax without modifying, I see the following error. --- > ray -x on -v 5 00teapot_ex00.mi ... LINK 0.0  error  191007: cannot load 3dsmaxhair.dll, The specified module could not be found. ... LINK 0.0  error  191007: cannot load mayabase.dll, The specified module could not be found. ... LINK 0.0...

iray 3: iray in standalone mental ray

How to export mi file from 3dsmax. 1. Assign mental ray renderer as Production renderer First open the Render Set Up dialog. Figure export_mi_1 show that opening the rollout of assign renderer and then choosing the mental ray renderer as Production renderer. Figure export_mi_1 2. Export a mi file from 3dmax. Choose Render Set Up --- Processing Tab. First you need to choose a filename as in Figure export_mi_2. Without a file name, the checkbox of 'Export on Render' is disabled. This was difficult for me. I wanted to export a file, but Export on Render is disabled. I wish I could choose the Export on Render and then see a warning message, ''an export file name is not specified.'' Next, push the Render button, then a mi file is exported. Figure export_mi_2 This is also difficult for me. When you ' export ' a file, push the ' render ' button. I wish it was like   When you ' export ' a file, push the ' export ' ...