How to setup indoor Lightning for M8 Yin Yang Yoga Studio

Comments

• felis Posts: 6,148

  January 3 edited January 3

  Product in question https://www.daz3d.com/m8-yin-yang-yoga-studio

  I have it, but never used it!

  This is default

  

  This is with an added sun in environment

  

  This is with a plane as intirior fill light (400% emissive white 50 kdcd/m2)

  

  Then I realised that the curtains don't let much light in. Has an oppacity of 0.90 I reduced to 0.50.

  

  Things can be futher adjusted, here included slightly changing Render Settings > Tone Mapping > Exposure Value from 13 (default) to 14 (corresponds to that you in classic photografy would use a faster film.)

  

  

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  Post edited by felis on January 3
• Chezjuan Posts: 543

  January 3 edited January 3

  Coming from an amateur photography background, I tend to use tone mapping for darker indoor scenes like this. The standard Daz Studio tone mapping settings of 1/128, f/8, and iso 100 are for outdoor scenes, and indoor scenes need a faster f-stop, slower shutter, and potentially higher iso to get enough light.

  I will note upfront that this isn't always the best approach - it can lead to long render times, require adjusting emission settings for light fixtures if the PA set them to look "normal" at the default settings, and other fiddly changes based on your desired result.

  The image below uses the default environment settings and no added lights. Tone mapping settings were 1/30 shutter speed, f/5.6, and iso 100. I did not add any additional lights or make any other adjustments.

  

  At those settings it took 19 munutes and 46 seconds to render the image to 87.54% convergence before it hit my limit of 15,000 iterations - and this was 720 X 1280, which is 1/2 my usual render size. If I were doing a series using this set I would probably use other methods for the interior lighting as well as the "sunlight" to help speed the render times such as ghost lights.

  

  

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  Post edited by Chezjuan on January 3
• julius.klose Posts: 0

  January 3

  Forgot to attach the link to the product: https://www.daz3d.com/m8-yin-yang-yoga-studio
• julius.klose Posts: 0

  January 3

  Thanks for the quick post felis.

  As I am new in DAZ I have still a few questions regarding your answer :P

  You said you added a sun in environment. does that mean you changed the environment map?

  Could you tell me how I can create an intriour fill light? Is it new primitvie and then a plane which emittes light, or is it a spot light? Where did you place it? outside so it shines through the curtain or inside?

  Thanks for the hint about the curtains, I will change that as well, seems that this will be a big improvement.
• crosswind Posts: 9,745

  January 3 edited January 3

  I quickly tested with a simple setting ~~: 
  1) with Default Environment Settings > Env. Map value set as 1.5.  Pixel Fitler: mitchell with Radius 0.70 (so as to sharp the render...)
  2) Hide the curtains as needed ~~ (screenshot 1, which is similar to the promo image from the vendor)

  Alternatitvely, place a spot light (like your settings....) with Env. Mode > Scene Only, just like a scene with sunset. (screenshot 2)

  I attached the scene file to which you may refer.

  

  

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  duf

  duf

  YinYang.duf

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  Post edited by crosswind on January 3
• julius.klose Posts: 0

  January 3

  Hello together,

  thanks for all the support, I was also playing around this afternoon with primitive planes and gave them an emission.

  I was able to give the environment a better lightning with a big Plane at an angle around 70 ° behind the camera. Also took away the roof to get some more light inside. That was resulting in an overall nice image for (see screenshot 1)

  @crosswind: Thanks for attaching the *.duf file. I took a look at it and I am a bit confused now. I rendered it and somehow I am getting many fireflys / noise on the picture (especially on the pillows on the floor). I am guessing this has to do with differences in our hardware. I am rendering on a Macbook pro, and therefore it is only using the CPU as rendering on a GPU on MAC in DAZ is unfortunately not possible. I am wondering if this is maybe the core of my problem and I just need to add more light to the scene to make it look good. (see screenshot 2 for the render with your settings on my PC)

   

  

  

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• crosswind Posts: 9,745

  January 4

  julius.klose said:

  Hello together,

  thanks for all the support, I was also playing around this afternoon with primitive planes and gave them an emission.

  I was able to give the environment a better lightning with a big Plane at an angle around 70 ° behind the camera. Also took away the roof to get some more light inside. That was resulting in an overall nice image for (see screenshot 1)

  @crosswind: Thanks for attaching the *.duf file. I took a look at it and I am a bit confused now. I rendered it and somehow I am getting many fireflys / noise on the picture (especially on the pillows on the floor). I am guessing this has to do with differences in our hardware. I am rendering on a Macbook pro, and therefore it is only using the CPU as rendering on a GPU on MAC in DAZ is unfortunately not possible. I am wondering if this is maybe the core of my problem and I just need to add more light to the scene to make it look good. (see screenshot 2 for the render with your settings on my PC)

   

  Yep, that's right ~ Usually, with weak lighting patterns / environments, it'll take more time to converge pixels to get a quality render with less grainy noise. If just rendering with CPU rather than Nvidia cards, it'll significantly take much more time. 

  Adding more lights effectively or making lights stronger can improve the render as well as the render time but it'll also bring you some side effects, e.g. potential over-exposure, a plain render, etc.

  Unfortuately, Post Denoiser fitler doesn't work if rendering with CPU. But if you have some external denoiser software, you also can make renders with good quality.

  For instance, I rendered the scene with CPU, with 500 Max Pixels (done in 7 mins with my old AMD ThreadRipper 3990x ~~). After denoising the render a bit with Topaz Denoiser, the quality looks good. (screenshot 1)

  

  

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