Why can't it be seen from behind the veil?

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Why can't it be seen from behind the veil?

Postby wh_coolux » Tue Jan 19, 2016 4:09 am

hello,everyone.
I use the demo verstion to learn PB.
And now I have a prolbem,please help me.

I import a plane as a veil from max to PB
in venue view,why can't it be seen from behind the veil?
veil.png

How to solve this problem?
Many thanks.
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Re: Why can't it be seen from behind the veil?

Postby malkuth23 » Tue Jan 19, 2016 5:16 am

It is probably a uv mapping issue. Someone with more max experience can probably answer this, but I remember there being a checkbox of some sort that applies UV to the back of object.
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Re: Why can't it be seen from behind the veil?

Postby wh_coolux » Tue Jan 19, 2016 5:32 am

but it's normal from the front view.
front.png
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Re: Why can't it be seen from behind the veil?

Postby Daniel Kaminski » Tue Jan 19, 2016 12:05 pm

Hi,

the problem is that your object in max only has a single side. the UV Mapping is only applied from the front and not from the back.
I am no max Expert, but there must be a setting where you can make the plane doublesided.

Daniel
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Re: Why can't it be seen from behind the veil?

Postby Dennis Kuypers » Tue Jan 19, 2016 6:28 pm

Pandoras Box does 'backface culling'. That means that faces with Normal vector directed to the opposite side are not considered. To solve this you have to create a second face directed the opposite way.

Dennis
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Re: Why can't it be seen from behind the veil?

Postby wh_coolux » Wed Jan 20, 2016 2:35 am

thank you very much.
I understand it.
(*^-^*)
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