KeyShot Forum

Technical discussions => Materials => Topic started by: ddolezal on April 09, 2014, 06:30:10 AM

Title: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: ddolezal on April 09, 2014, 06:30:10 AM
Hello everybody,

I just ran into my first severe problem which I could not solve by searching the forum and reading through the hints and tips posted here.

I have a jar with a lid where the content is simulated by simply mapping a texture of jam around an inside object.
As long as the jar has a glass material, everything is fine (except for the inner reflections of the labels in the glass)

So I decided to change the material of the jar from glass to clear plastic.
As soon as I do this, my content object is no longer visible.
I am at a total loss what happens here.

Can perhaps somebody with a few minutes time please have a look at my files and explain to me what happens in my scene an why it happens?

Thanks a lot in advance for your help,

Dieter
Title: Re: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: ddolezal on April 09, 2014, 06:30:45 AM
File:
Title: Re: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: PhilippeV8 on April 09, 2014, 06:50:23 AM
Confirm you have indirect illumination turned on ?
Title: Re: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: thomasteger on April 09, 2014, 07:21:28 AM
I am not sure I understand what the issue is. You have an opacity map mapped to the outside of the jar. What is not working for you?
Title: Re: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: Chad Holton on April 09, 2014, 08:06:37 AM
Hello,

You may just need to play with the plastic values a little more. I attached what I ended up with if you want to check it out. I did scale the filling down a little as it was showing some interference with the jar causing black areas.

Chad
Title: Re: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: ddolezal on April 09, 2014, 08:09:08 AM
Hello,

detailed indirect Illumination is on.

The problem is better illustrated by the two screens:

If I use Glass as a material for the jar, I can see the content (the jam)
If I use clear Plastic as a material for the jar, I cannot see the content anymore - it becomes black.

Title: Re: Newbie: Cannot see content of jar after Material Change to Plastic
Post by: Bad Robot on May 30, 2015, 06:00:47 PM
I had this problem myself. I applied the clear plastic material to a car body and some parts of the object showed the problem.