Thin plastic chair - Ghost = How?

[Ondra]

I can easily add the absorption support. I would love to see the scene where it creates splotches (unless you use it in VCM mode, in that case just tweak the photon search radius parameter). The speed could be certainly improved too, but it will probably never be as fast as path tracing for the typical scenes you create. Although I had some surprising results where BDPT was actually faster than PT (which screwed us over big time in the last paper)

[Ondra]

Hi folks, somethig easy:
1 plane,1 mirror, 1 tiny plane emitter & 1 t.knot (glass)
no sun, no environment...
what do think about this?

The thing on the right is mirror, right? If so, you are definitely using VCM, right? (Iliyan, feel free to boast! ;))

edit: nevermind, I see it in the config ;)

[Polymax]

I can easily add the absorption support.

Keymaster, and you can add support for anything that supports progressive mode?

[emieuserr]

Ok Keymaster, the thing on the right is mirror & i'm using VCM.
Even in my slow pc & legacy version, i think the caustics are quite accurate...
bye.

[Ondra]

yes, because VCM is consistent and not memory-bound, doesnt matter what PC or version you have ;)

[Alessandro]

After reading this very interesting tread, I've prepared a set for some glasses, I've started corona render and I've forgot to stop it during the weekend...!!! So it's worked for 62 H
This is the result, I've reduced it half size, I like glass effect, what about it?

[maru]

Hah, new world record. Prepare to pay your bills. But the glass is nice.

[Ondra]

ok, I've added absorption support to Bidir

[Alessandro]

Hah, new world record. Prepare to pay your bills. But the glass is nice.

Eheh, yes, I hope that the bill will not be a world record too!!! ;)

Btw, great news Ondra!

[cecofuli]

Hi Ondra,
finally I found time to test the new tools... I have to say that the best result is, obviously, Bidir, cause is physically correct.
Unfortunately "PT + Red Colored ABS + transparent white shadow" is visually wrong and ugly.
If you see, in my test n°9 or n°12,  the shadows is a "punch in the stomach".
Ok, if I have PT + White transparent + white ABS, it will ok, but with colore ABS.. Mmm... I don't think it's a good solution.

So, my question is: it will be possible to have a  PT + ABS + colored, transparent shadows? Like with Bidir, but without caustic. (n°13)

[Alessandro]

Hi Cecofuli,
thanks for this great test, I haven't had the time to do the same, we've got a very busy period!!
I'll take some ideas from your test to share my one too as soon as I can.

Rgds,
Alessandro

[Tylox]

Hi Cecofuli,

did you test the PPM in the Bidir Mode ? it's quite efficient and i guess faster than BDPT.

Regards.

[Ondra]

Hi Cecofuli,

did you test the PPM in the Bidir Mode ? it's quite efficient and i guess faster than BDPT.

Regards.

only for SDS paths. VCM is the optial combination of both.

[ecximer]

One does not want to produce topics, as a problem in general and the same.

So we have:
- 1 sphere with a radius of 10 cm and 0,5 cm thick
- material: dark pink or not saturated red glass (RGB 250 30 30) with Onesided or Hybrid refraction.
- in the sphere there is a light source (the emitter or a lamp).

Problem:
Being appeared through by a light source gains lilac color (RGB 255 0 244), that is appears very BLUE color! From where it undertakes?

In principle the light source has to change color from white to dark pink, depending on level of brightness of the source.

[Ondra]

interesting ;) post the scene