Caustic efect, how?

bheware · July 1st, 2007

Hi there! I am using maxwell for some time and it seems I cant get caustic effect. How can I get caustic on my render?
Here is render at which I want caustics.
Please help!

AJLynn · July 1st, 2007

You've got caustics, they're just really diffuse. You'll need more direct light to get sharp caustics.

bheware · July 1st, 2007

Oh, I do? Hmm, I guess caustics depends on SL? Right? How high SL must be than?

AJLynn · July 1st, 2007

That varies. But this is, what, skydome lighting? You're only going to see very weak, diffuse caustics however long you let it render.

dave davidson · July 2nd, 2007

try a cube as an emitter inside an open cone ( with the normals facing inwards) that is reflective to act as a spot light and aim it at the objects, this will give you caustics that will show up fast

bheware · July 2nd, 2007

you mean, cone cut by 180°? ok, i will try that. thanks.

whoever has a suggestion can wirte.

bheware · July 2nd, 2007

no worries, i got it. its not with cone and cube.

July 1st, 2007	#1 (permalink)
bheware Junior Member Join Date: Jul 2007 Location: At home Posts: 4 Name: Juraj Barukcic	Caustic efect, how? Hi there! I am using maxwell for some time and it seems I cant get caustic effect. How can I get caustic on my render? Here is render at which I want caustics. Please help!

July 1st, 2007	#2 (permalink)
AJLynn Moderator Join Date: Aug 2004 Location: Beantown Age: 29 Posts: 4,427 Name: Andrew Lynn	Re: Caustic efect, how? You've got caustics, they're just really diffuse. You'll need more direct light to get sharp caustics.

July 1st, 2007	#3 (permalink)
bheware Junior Member Join Date: Jul 2007 Location: At home Posts: 4 Name: Juraj Barukcic	Re: Caustic efect, how? Oh, I do? Hmm, I guess caustics depends on SL? Right? How high SL must be than?

July 1st, 2007	#4 (permalink)
AJLynn Moderator Join Date: Aug 2004 Location: Beantown Age: 29 Posts: 4,427 Name: Andrew Lynn	Re: Caustic efect, how? That varies. But this is, what, skydome lighting? You're only going to see very weak, diffuse caustics however long you let it render.

July 2nd, 2007	#5 (permalink)
dave davidson Member Join Date: May 2002 Location: uk Age: 40 Posts: 83 Name: dave davidson	Re: Caustic efect, how? try a cube as an emitter inside an open cone ( with the normals facing inwards) that is reflective to act as a spot light and aim it at the objects, this will give you caustics that will show up fast __________________ www.max3d.org cinema 4d xl v9. dual core 4400, 4 gig ram, 2x sli 7800gtxs, dual 21" lcds. etc etc

July 2nd, 2007	#6 (permalink)
bheware Junior Member Join Date: Jul 2007 Location: At home Posts: 4 Name: Juraj Barukcic	Re: Caustic efect, how? you mean, cone cut by 180°? ok, i will try that. thanks. whoever has a suggestion can wirte.

July 2nd, 2007	#7 (permalink)
bheware Junior Member Join Date: Jul 2007 Location: At home Posts: 4 Name: Juraj Barukcic	Re: Caustic efect, how? no worries, i got it. its not with cone and cube.

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