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Author Topic: any workaround to this problem?  (Read 1917 times)


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any workaround to this problem?
« on: November 16, 2011, 05:42:04 pm »
November 16, 2011, 05:42:04 pm
Hey everyone.

Testing out lumion to see if it would fit for what we do here at work but found a render problem.

The problem is when you have a glass type material over another glass type material. Look at the screenshot to understand better. On the left you have water over a orange semi transparent plastic dome. On the right the same thing but without water.

As you can observe, you can't see the orange color or material thats under the water. Is there a way to overcome this in lumion 1?  If not would it be possible to adress this in lumion 2?

If the water had no volumes (like a simple plane) it would work, but our waters are all with volumes (polygons on both sides etc, its a meshed water simulation)

We have a lot of those semi transparent plastic with water running over them in our products so thats a problem.

Hope I'm clear, had a hard time explaining all that. :P



Re: any workaround to this problem?
« Reply #1 on: November 16, 2011, 05:53:09 pm »
November 16, 2011, 05:53:09 pm
Thanks for taking the time to explain the issue, Jay.

At the moment, semi-transparent surfaces don't blend well in Lumion (this is a known limitation), so you usually won't be able to see water, glass and some of the particle systems behind other semi-transparent objects when they overlap. As far as I know, this will still be the case in the initial release of Lumion 2.
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Re: any workaround to this problem?
« Reply #2 on: November 16, 2011, 09:11:32 pm »
November 16, 2011, 09:11:32 pm
Thx for your answer Morten.

I've managed to get it to work though!

You need an alpha texture in the opacity map of your material in 3dsmax.

Thats it! Both glass materials can blend together in Lumion as you can see in the screenshot.