Bedroom with flies

[PureSpider]

actually MLT (metropolis) can also be BiDir...
the difference is PT <-> MLT
and BiDir <-> Non-BiDir

[CTZn]

I guess he meant:
mlt 0 bidir 1 and
mlt 1 bidir 0

@The Unknown: strange... maybe the leafs are not plain geometries, but a blend with null material ? Isn't the scene made of diffuse mats only ?

[The Unknown]

Image 3: Metropolis=false BiDir=true hybrid=false
Image 4: Metropolis=true BiDir=false hybrid=false

The leafs of the small palms are a blend material with a blend map:

[The Unknown]

All right now. With the current release there is no problem.


Image 5, Indigo 1.0.6



Image 6, Indigo 1.1.13

[Kram1032]

Last two images:

was Metropolis=false on image 3?

You know, BiDir is independent on that part.
Metropolis=true doesn't deactivate BiDir but only uses PT (Path tracing) instead....
Neither does BiDir deactivate Metropolis but changes some other aspects of rendering...
For example, in the Metropolis render, you see those strange splotches... They're due to a variable in the Metropolis render. If you use path tracing, they'll be gone but therefore, indirectly lit sections (shadows, caustics, indirect caustics, etc...) will converge rather slow.

[The Unknown]

Image 3 with metropolis=false, bidir=true and hybrid=false.

Thanks for the infos.

[Kram1032]

In total, there are six combinations...

Code: Select all

PT             BiDir   Metropolis=off    Hybrid=off    BiDir=on
PT                       Metropolis=off    Hybrid=off    BiDir=off
Metropolis  BiDir   Metropolis=on    Hybrid=off    BiDir=on
Metropolis            Metropolis=on    Hybrid=off    BiDir=off
Hybrid       BiDir   Metropolis=na*   Hybrid=on    BiDir=on
Hybrid                 Metropolis=na*   Hybrid=on    BiDir=off

*na means, it doesn't matter whether Metropolis is on or not, because Hybrid overwrites that setting anyway.

Many Indigousers prefer Hybrid over Metropolis and PT, because it's the "mix" of them: Where ever you have direct light, it will be traced with PT, as soon as you have shadows, reflections, refractions, etc, it uses Metropolis.
Though, that switch between the modes costs time... I'm not sure, how it is with the current release, but Hybrid *was* slower than the other two on their own....
Generally you can say, for outdoor scenes with low amount of indirect light, pt is great, but as soon as it comes to more complex situations, metropolis will be better.



Oh and... I just saw, I probably missed page two, yesterday. I asked about the two images on pg 1 at the bottom xD Didn't notice, there's a 2nd page...

[The Unknown]

Oh and... I just saw, I probably missed page two, yesterday. I asked about the two images on pg 1 at the bottom xD Didn't notice, there's a 2nd page...

No problem.

It would be nice to see the information about the combinations in the indigo manual.

[Kram1032]

In the manual, there actually are only two things which are not mentioned about that:
1) If Metropolis is set to false, Path Tracing is used....
2) Hybrid overwrites the others...

but there also is no word about BiDir overwriting the others. If you'd think like a computer (and apparently, programmers do so, as it's their job xD), you wouldn't come to wrong conclusions with that info, though, a human, interpreting much more background information, gets confused by the straight-forward_no-more-info-than-needed-way which you can see in the manual

The current manual isn't really user friendly. it's not much more than an ordinary list of things, indigo can do, without explaining what's the use of those things.

Funny enough, the single options are all written as their class names with :: and such xD

Though I understand Ono:
Just that extremely minimalistic list has (not including the appendices) 107 pages! Imagine there was a detailed description for each option! Most probably, the document would have close to 1000 pages O.o

[The Unknown]

Ah, the indigo manual is a developer documentation.
So i have to save this site to my info-folder.