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Problem with Green/Gold Colored Ceilings

Discussion in 'General Graphics' started by doktorfrag, Jan 7, 2016.

  1. doktorfrag

    doktorfrag

    Joined:
    Jan 7, 2016
    Posts:
    5
    Hi all,

    I have a problem with the models I have imported into Unity. As you can see in this screen capture, the ceiling is an odd green/gold color. Same thing with the window arches:

    2016-01-07_1447.png
    The model was created in SketchUp Make 2015 and imported as described in the Unity manual (http://docs.unity3d.com/Manual/HOWTO-ImportObjectSketchUp.html). For your reference, I have attached screen captures of the Inspector Panel for the ceiling mesh:

    2016-01-07_1449.png

    Inspector Panel for the import settings:

    2016-01-07_1455.png

    Inspector Panel for the directional light:

    2016-01-07_1449_001.png

    From what I can tell by examining the model in Unity, it seems that light is going through the mesh. The screen capture with the cross section of the wall shows that the other side of the mesh is white, whereas the other side is the odd green/gold color. I checked the normals in SketchUp and they all are pointing the correct way.

    2016-01-07_1501.png

    Any ideas on how to solve this problem (e.g, change workflow, tweak settings) would be greatly appreciated. I have been looking for several days for a solution online, and it's finally time to seek expert advice. Many thanks in advance for your suggestions and effort.
     
    doktorfrag, Jan 7, 2016
    #1

  2. PeteUnity3D

    PeteUnity3D

    Unity Technologies

    Joined:
    Jan 4, 2016
    Posts:
    68
    Hi doktorfrag

    This looks like reflection map in the scene is causing these yellow areas to appear on anything that is facing in the negative Y axis.

    Thanks,
    Pete
     
    PeteUnity3D, Jan 8, 2016
    #2

  3. doktorfrag

    doktorfrag

    Joined:
    Jan 7, 2016
    Posts:
    5
    Thank you for the feedback, Pete. I have been looking around for the reflection map setting, specifically anything that indicates a negative Y axis, and can't find them. Are they in the inspector panel? Any pointers on where to make a change so that the yellow ceilings disappear would be appreciated. Sorry, but it's been a while since I have worked with Unity and I'm getting back into it.
     
    doktorfrag, Jan 8, 2016
    #3

  4. PeteUnity3D

    PeteUnity3D

    Unity Technologies

    Joined:
    Jan 4, 2016
    Posts:
    68
    No problem,

    Normally a reflection probe is placed in the scene so a snap shot of the reflections at the point can be applied to the objects within it's radius. There is a setting to turn off the amount of influence the reflections have with in the scene under the new lighting panel Reflection intensity:

    Screen Shot 2016-01-08 at 14.37.29.png

    If you still have problems, could you send a light version of you're project with the scene and assets being affected please?

    Thanks,
    Pete
     
    PeteUnity3D, Jan 8, 2016
    #4

  5. doktorfrag

    doktorfrag

    Joined:
    Jan 7, 2016
    Posts:
    5
    Hi Pete,

    I was able to adjust the reflection intensity in the lighting panel, but the ceiling still remained yellow. Albeit not as bright. I can send you the project as a ZIP folder through my Dropbox site. What's the best way to make a "light version" of the project? What resources should I remove before compressing?
     
    doktorfrag, Jan 8, 2016
    #5

  6. PeteUnity3D

    PeteUnity3D

    Unity Technologies

    Joined:
    Jan 4, 2016
    Posts:
    68
    No problem, if you zip up the scene you're having problems with, along with any models and textures referenced in that scene. You can private message me through the Unity forums with the Dropbox address if you do not want to post the project publicly.

    Thanks,
    Pete
     
    PeteUnity3D, Jan 8, 2016
    #6

  7. doktorfrag

    doktorfrag

    Joined:
    Jan 7, 2016
    Posts:
    5
    Thank you very much for your time, Pete. I will send you a PM shortly.
     
    doktorfrag, Jan 8, 2016
    #7

  8. PeteUnity3D

    PeteUnity3D

    Unity Technologies

    Joined:
    Jan 4, 2016
    Posts:
    68
    Hi David.

    The lighting you see is linked to the ambient light using the skydome as it's colour lookup. you can change this to a particular colour or a gradient which will fix the look of the lighting in realtime. i quickly did a lightbake with the current ambient settings where it gets the colours from the skybox and the problem goes away once the bake has completed.

    The level and the cube on the left has been baked where as the cube on the right is using the realtime lighting.

    Screen Shot 2016-01-08 at 17.02.09.png
     
    PeteUnity3D, Jan 8, 2016
    #8

  9. doktorfrag

    doktorfrag

    Joined:
    Jan 7, 2016
    Posts:
    5
    Thank you so very much, Pete! I appreciate your help. I will fiddle around with the environmental light settings, now that I know where to find them. I'm just happy the yellow colored ceiling is gone. Many thanks, again, and have a great day!
     
    doktorfrag, Jan 8, 2016
    #9