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biebel

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Reply with quote  #1 
Hi all,
A scene i previously rendered with an early beta version.
Now rendered with 1.4.1.

scene stats:
-  800X600
- Just Sketchup sky/sun. (No lights or emitting surfaces added).

I couldn't avoid the sofa area being overexposed (burnt) with sun rays.

cheers,
Biebel





sepo

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Biebel, nice... but something is not right here. Firstly sun rays on the floor are square (what happened with arch) and also that light on the ceiling...hmmm.

artchung

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Hey Biebel,

I came across the Indigo forum & saw your works there. Do you like Indigo? Which one you think is better? Podium or Indigo. They're both free. & I saw some great rendering there. Could you give some comments on both plugins? Thanks.

 

artchung

FreeAgent

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Reply with quote  #4 

hey biebel im a fan of ur work, but this scene lacks the sincerity of the original render, was there any post production in the original that wasnt done in this one?

biebel

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Quote:
Originally Posted by artchung

Hey Biebel,

Do you like Indigo? Which one you think is better? Podium or Indigo.  I saw some great rendering there. Could you give some comments on both plugins? Thanks.

artchung



I think you can't compare the two because they are very different (unbiased versus biased). Indigo is only usefull if you let it render for day(s) and resize the image size to have noise free output.
Podium can have good and hires output in a shorter time.
I believe using biased vs. unbiased is a personnal choice.

@Sepo,
yeah,
sun rays through windows on the floor certainly look strange. Don't know why that is

@Freeagent,
I used the same post edit tools (= gamma/brightness/contrast) as in the previous rendering. The earlier betas had a more 'sloppy' appearance but an interesting appeal. The early rendering was done using LEM in the windows, while this image is rendered with sky only...
bigstick

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I have also downloaded the Indigo exporter and used it. My initial thoughts are:-

 

1. A lot more complex than Podium. More setup required, and some specific rendering experience.

2. Render times are much too long. Indigo uses the same algorithm as Maxwell. This is Metropolis Light Transport. In absolute terms it's easy to set up (not compared to Podium though) but render time is horrendous. Personally I don't think you'll get anything usable in less than 8 hours - with a fairly reasonable machine.

3. If you have a fast machine, a lot of patience and no deadlines, the quality is really fantastic though.

 

In short, not for novices or busy people! However, I would urge people to try it if they are fairly confident in their rendering abilities.


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biebel

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I agree with you Bigstick.
Indigo is only to be used on friday ....so you can leave your PC rendering the whole weekend. (that is if you don't have to get work done in the weekend ).

Podium can be used on a daily basis without losing too much working time.


Daniel

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That looks fantastic.  What reflective value did you use for the floor? Cello?

biebel

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Quote:
Originally Posted by Daniel

That looks fantastic.  What reflective value did you use for the floor? Cello?


Thanks Daniel
I am not sure but i think the floor had reflectance 9 and the cello about 20.

artchung

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Thanks for the infos. Guys.

artchung

biebel

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Reply with quote  #11 
I think i made some mistakes while post editing  the  first image.
My steps in post editing clearly need to be changed as the latest 1.4.1 Podium version is differently tonemapped by default than the earlier betas.


I discovered that Podium 1.4.1 needs 'light curve' adjustment in photoshop.
Mostly because the 'whites' are a little too greyish by default.
Still experimenting which curve form does the magic trick and brings out the white better...

I think this post editing trick could regain more photorealism....
Still trying...:



A little question for TBD: Is there a way to have softer direct sun light?

biebel

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Reply with quote  #12 
With a different curve...(slightly darker)
Don't know which is best...



sepo

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Reply with quote  #13 

Biebel these white things are still showing. They are not on the floor I think. Look, it shows over the bed. Is it possible you have some geometry leftovers there? BTW I prefer one but last, softer light.

biebel

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Reply with quote  #14 
sepo, What do you mean with those  'white things'?
sepo

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Reply with quote  #15 

white rectangles on the floor

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