Refraction glossiness in separate render

V-Ray V-Ray for 3ds Max Issues
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1

In a project for a configurator I render all objects separately via the rendermask. Now I need to render an object (a showerwall) that also includes a glass material with refraction glossiness set to 0.75. How do I keep the “blur” in the glass when the image is placed in front of another image? The wall behind the glass can be changed in the configurator. Colors, tilesizes etc.

I assume this isn’t doable but I’m happy for all tips and tricks.
Do I have to render one version of every possible setup of choices? Different tilesizes, different colors of the tiles, different showermixers etc.

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You’d have to do the blur as a 2d fake if you wanted to be able to change the contents behind it in post or as you say, render a tonne of variations. Talk to Dave wortley about this since he does a tonne of car configurators, you could have a look at this plugin which could automate a lot of it for you too - Boomer Labs | Vexus Commercial

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Thanks joconnell! That’s what I feared… :slight_smile:
Vexus looks interesting though.