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Kerkythea Rendering System • View topic - transparent shadow ...how to?
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transparent shadow ...how to?

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<<

andras2

KT-Fellow

Posts: 47

Joined: Fri Dec 14, 2007 3:27 pm

Location: Hungary

Post Thu Feb 21, 2008 6:15 pm

transparent shadow ...how to?

Hi

How to set the transparent shadow in Blender2KT?
<<

jms

KT-Master

Posts: 523

Joined: Tue Jul 18, 2006 7:38 pm

Location: PACA, France

Post Thu Feb 21, 2008 8:08 pm

You can use a material with transparent values ...

Image
...but absolutely no IOR.
Image

A test with path tracing but without ior :
Image
Image
Last edited by jms on Fri Feb 22, 2008 1:19 pm, edited 1 time in total.
My work for blender
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Fletch

KT-Team
KT-Team

Posts: 8564

Joined: Fri Oct 27, 2006 2:38 am

Location: Milwaukee, WI USA

Post Fri Feb 22, 2008 4:15 am

render with any render preset EXCEPT RAYTRACE.

so start with PM quick, and work your way up in quality.

be sure you have some surface for bouncing the light around... if there's no place to bounce the light, it cannot bounce into the shadows.


<<

jms

KT-Master

Posts: 523

Joined: Tue Jul 18, 2006 7:38 pm

Location: PACA, France

Post Fri Feb 22, 2008 1:20 pm

the blend files :
My work for blender
Oldy but goldy french group :
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jms

KT-Master

Posts: 523

Joined: Tue Jul 18, 2006 7:38 pm

Location: PACA, France

Post Fri Feb 22, 2008 1:48 pm

a test with povray :
without ior :
Image

with ior :
Image
My work for blender
Oldy but goldy french group :
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andras2

KT-Fellow

Posts: 47

Joined: Fri Dec 14, 2007 3:27 pm

Location: Hungary

Post Fri Feb 22, 2008 2:44 pm

OK, but I dont think for it. anyway thanks for quick reply

what can I do If I would like to use it with texture? with alpha channel TGA or PNG ?
<<

jms

KT-Master

Posts: 523

Joined: Tue Jul 18, 2006 7:38 pm

Location: PACA, France

Post Fri Feb 22, 2008 11:30 pm

Last edited by jms on Sat Feb 23, 2008 9:21 am, edited 1 time in total.
My work for blender
Oldy but goldy french group :
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andras2

KT-Fellow

Posts: 47

Joined: Fri Dec 14, 2007 3:27 pm

Location: Hungary

Post Sat Feb 23, 2008 8:44 am

Oké, Thank You! :)
<<

batFINGER

Posts: 5

Joined: Sat Feb 23, 2008 9:18 am

Post Sat Feb 23, 2008 9:39 am

<<

jms

KT-Master

Posts: 523

Joined: Tue Jul 18, 2006 7:38 pm

Location: PACA, France

Post Sat Feb 23, 2008 9:45 am

My work for blender
Oldy but goldy french group :
<<

batFINGER

Posts: 5

Joined: Sat Feb 23, 2008 9:18 am

Post Sat Feb 23, 2008 1:15 pm

No joy with glass examples.
I have a simple blend file with a cube and the effect set for blender internal. A png of the render is include here too

I have put it at http://batfinger.com/blender/alphaplane.blend

Cannot get the desired effect in kerkythea or yafray.
Image
<<

jms

KT-Master

Posts: 523

Joined: Tue Jul 18, 2006 7:38 pm

Location: PACA, France

Post Sat Feb 23, 2008 1:33 pm

My work for blender
Oldy but goldy french group :
<<

batFINGER

Posts: 5

Joined: Sat Feb 23, 2008 9:18 am

Post Sat Feb 23, 2008 1:47 pm


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