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archviz interior exterior WIP project

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    archviz interior exterior WIP project

    hi guys,

    i have been currently working on personal project for training unreal lighting, blueprints etc..

    Referenced model :

    Build time : 2.5 hours
    build setup;
    sky light with HDR image (
    skysphere with hdr emissive material


    point light creates splotches on the walls , ceiling etc.. how can i remove these splotches?
    any change in baselightmass.ini file? do i need to increase build quality? ( especially indirect lighting quality? )

    need a piece of advice...

    Last edited by Nocturness; 01-22-2016, 12:53 PM.
    Amberify Asset Pack | UE4.18 / 4.24
    Neonfiy Asset Pack | UE4.18 / 4.24
    Kinetica Asset Pack | UE4.23 / 4.24

    realy nice.. I love it .. I was reading the thread "Lets make Lightmass EPIC (and understandable)", i wanted to figure out light mass so i read the whole thing . here. they had info about splotches.. and koola if that's the name of the guy.. I remember him saying that ... "Static Lighting Level Scale : 0.1
    Num Indirect Lighting Bounces : 100
    Indirect Lighting Quality : 10
    Indirect Lighting Smoothness : 1

    And in the BaseLightmass.ini :


    In my tests, this is the only parameter you need to tweak in baselightmass.ini to remove the skylight "splotches". ---said by koola..

    but i think this increases lightmass processing time a lot you could experiment with this variables.. hope that helps!


      thanx spacehawk

      yes that thread was epic literally but lightmass build times with this settings will be impact my machine and my patience

      i have found some really good info about remove splotches on this link : ""

      "Static Lighting Level = 0.2 (Below that we have not much impact)
      NumHemisphereSamples = 256 or 512 (above 512 will have not much difference)
      IndirectPhotonDensity = 12000 (If there are still flickers of artificial lighting, increase this value along with the parameter below)
      IndirectIrradiancePhotonDensity = 8000
      IndirectPhotonSearchDistance = 180 (180 - 240)
      i will try that...but i think i need a render farm to build lightmass like this kind of projects.
      thx anyway..
      Amberify Asset Pack | UE4.18 / 4.24
      Neonfiy Asset Pack | UE4.18 / 4.24
      Kinetica Asset Pack | UE4.23 / 4.24