Author Topic: Water caustics - fireflies  (Read 12560 times)

2017-03-31, 09:00:38
Reply #15

Lars Vader

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Hi,

the problem in your file is the volume parameters of the water material:

In absorption color HSV parameters put H200 S2% V100%; Absorption brightness 100%; Absorption distance 8cm (if you increase this water is more transparent).

In scattering color HSV put H230, S100%, V15%.

Your file is from c4d R15 and if i save it with my R18 you cant open it.

Let me know if you solve

Thank you so much. It finally worked! :-)

2017-03-31, 15:15:59
Reply #16

Cinemike

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Your file is from c4d R15 and if i save it with my R18 you cant open it.

As a sidenote: R15 can open R18-files.

2017-03-31, 21:05:35
Reply #17

synolog

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Your file is from c4d R15 and if i save it with my R18 you cant open it.

As a sidenote: R15 can open R18-files.

Sorry my mistake.

2017-03-31, 21:54:34
Reply #18

Cinemike

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The "may not" portion of the message is mostly referring to advanced features of higher versions (so the Voronoi Fracture from R18 cannot be used when loaded into R15, for example). The file format is basically fully compatible. So, if you press "OK", the file will be saved for R18, but as long as you do not add advanced features, it will remain backwards compatible.

2018-06-28, 11:48:02
Reply #19

Air Dnipro

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Hi synolog!
Can you send me plz your c4d-file with caustic? Whatever I do stil I have no caustic (cant get caustic effect)  ;(

2018-06-28, 14:30:18
Reply #20

maru

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2018-06-28, 14:50:45
Reply #21

Konichowaa

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I'm having trouble as well creating caustics,

I also can't find the develoment mode to begin with, in beta 1...
Koen Van haesendonck
3D-lab - www.3d-lab.be

2018-06-28, 14:58:50
Reply #22

maru

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Edit > Preferences > Corona > Enable devel/debug mode
Then you'll find it in Render Settings > Corona > Development/experimental stuff

2018-06-28, 15:50:14
Reply #23

beanzvision

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Here's a test scene for those wanting to play around. Note: you will need to download the hdri used. (See txt file in zip)
« Last Edit: 2018-06-28, 21:26:35 by beanzvision »

2018-06-28, 17:14:44
Reply #24

Air Dnipro

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Its looks a pretty cool! I try download it and rendering, whatever happend - thank you!

2018-06-28, 18:30:35
Reply #25

Air Dnipro

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I try rendering this scene, but stiil have no caustic )
here is my rendering:

2018-06-28, 21:31:02
Reply #26

beanzvision

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I try rendering this scene, but stiil have no caustic )
here is my rendering:
Do you have developer/debug mode turned on? *See maru's comment.

2018-06-28, 22:04:51
Reply #27

Air Dnipro

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Yes, I turn on debug mode. I try PPA and Bidir/VCM render engine... Very slow rendering, now I have 30 min, maybe later been a caustic effects in render window )

2018-06-29, 00:10:41
Reply #28

Air Dnipro

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Wonderful, now I try to PPM render engine, and...OMG I see a caustic! ) Its amazing! THANKS to you, amigo!!

2018-06-29, 00:47:37
Reply #29

Eddoron

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Caustics require a big enough light to be correctly sampled. The HDRI or the Sun/Sky Object won't help much. Also, the PPM engine will fuck many of your other materials. Try using a huge circular Area light directed at the pool with directionality ~60.
It's best to only have the top part of the mesh be displaced and not ripped off from the rest of the box. Also, a portal might help.