Kray3 Feature Requests

  • Status Closed
  • Percent Complete
    100%
  • Task Type Feature Request
  • Category Render core
  • Assigned To No-one
  • Operating System All
  • Severity Medium
  • Priority Medium
  • Reported Version 3.0
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Kray3 Feature Requests
Opened by Johny - 02.11.2017
Last edited by Johny - 02.07.2018

FS#140 - reflection booster

We want special (fake solution) booster effect for reflection.

Background theory:
people from Maxwell and other Path Tracing render engines says that using HDRi they get better reflection on materials.
It`s happen that because HDRi has very dynamic pixels information and by this reflection effect is stronger.
Of course this is very bad solution for rendering generally and generate a lot bad photons and problems with LimitDR.

In theory solution is very easy: in GUI special global multiplayer for reflection: Range (1 —- infinite range)
1 is default.

We should have also clamps for that as second option:
reflection with low reflection level should not be boosted. Clamp should have percent level: 20% means reflection under this level are not boosted (in example scene we do not need boost floor in reflected ball)
How to make detection clamp - I leave you. Maybe 100% means maximum reflection on ball (in this case Ring over ball)
After that we will catch good level.

Scene for testing where:
- outside is sphere with LEM 500 for fake reflection (unseen by Radiosity and Unseen by Camera, so still we see Physky)You must activate/deactivate in scene editor.
- inside LEM Ring for interior reflection
We can not increase LEM Ring (it has maximum level luminosity acceptable for interior lighting)

Reflection booster will allow us to keep normal light outside interiors (exposure Physky) and gets good reflection levels which always are too weak.
Also in interiors we will get boost from LEM bulbs and other lights.

Of course this will be fake solution but I think this option will support very well future tone mapping.

Would be good to have this not as Engine Render option but like extra tone mapping feature.

Closed by  Johny
02.07.2018 07:00
Reason for closing:  Won't implement

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