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Caustics Tutorial (Water) -update

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tawaqqul
logikpixel
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Caustics Tutorial (Water) -update Empty Caustics Tutorial (Water) -update

Post by logikpixel Fri Jun 12, 2009 2:10 am

I've been Googling around looking for images as reference for a simple scene I've been trying to cook up.

Have you ever wondered how to get those "lightning effect" things you see beneath the water in your mental ray renders?
Caustics Tutorial (Water) -update Sherat10

Caustics Tutorial (Water) -update Cancun10

Well, it's called caustics. And in mental ray we can achieve this with just a few clicks.
Here's a little something I've prepared. thumbsup

1. Right-click your "water" and change the Object Properties.
Under the mental ray tab, turn on "generate caustics". By default this is turned off.
Caustics Tutorial (Water) -update Change10
Caustics Tutorial (Water) -update Genera10

2. For the material, I've used Arch&Design(mi) water. By default it looks like this.
Caustics Tutorial (Water) -update Defaul10

But we have to tweak it to to be able to use it for a pool water look. And this is how I've done it.
Caustics Tutorial (Water) -update Mod_ad10
Caustics Tutorial (Water) -update Mod_ad11
Here, take note of the Advance Rendering Options rollout. Turn on Refraction. Set the Max Distance to the depth of the water.
And on the Advance Reflectivity Options use Refract light and generate Caustic effects.

3. Lastly, before rendering turn on Caustics under the Indirect Illumination tab in the Render Setup.
Take note of the Average Caustic Photon per Light.
Caustics Tutorial (Water) -update Render11

That's it!

Enjoy. thumbsup

>>(Heto pala ang resulta ng testing)<< Very Happy


Last edited by logikpixel on Tue Nov 24, 2009 4:36 am; edited 4 times in total (Reason for editing : spell check)
logikpixel
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Post by tawaqqul Fri Jun 12, 2009 9:41 am

Iba ka talaga Bro. ....express ang response sa request,...laking tulong ka talaga sa CGP.....wag ka lang magsasawa sa pagtulong....Thanks sir.... buttrock buttrock buttrock
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Post by logikpixel Fri Jun 12, 2009 10:30 am

tawaqqul wrote:Iba ka talaga Bro. ....express ang response sa request,...laking tulong ka talaga sa CGP.....wag ka lang magsasawa sa pagtulong....Thanks sir.... buttrock buttrock buttrock

Haha, wala yun bro.
Anything to give back dito sa community.
As I have mentioned before, learning can be fun if you can share it with everyone. thumbsup

Marami pa rin akong kakainin. Basta kung ano man natututunan ko share ko lang din dito.
May bago akong pinagkaka-abalahan
Hint: Production Shaders thumbsup
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Post by edosayla Fri Jun 12, 2009 9:53 pm

2thumbsup
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Post by aldrin Fri Jun 12, 2009 10:38 pm

ang galing nito sir 2thumbsup
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Post by genesisg23 Wed Jun 02, 2010 12:25 am

maraming salamat bosing hinahanap ko ito, at saka kay master edosayla dami kong natutunan sa na DL kong mga video tutorial mo sir one day post ko yung mental ray rendering ko di pa perfect sa ngayon medyo nag experement.
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Post by ydhenash Fri Jun 14, 2013 9:49 pm

wala po bang tutorial para sketchup+vray? applicable din kaya siya sa vray? i haven't tried but i think it's worth a shot..hehe
if anyone else did...please share your tutorial. salamat po.
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