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Forums >> General Discussion >> Revit Project Management >> Splotchy Shadow from Daylit Renderings

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Fri, Sep 7, 2012 at 8:35:46 AM | Splotchy Shadow from Daylit Renderings

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AlbrechtImaging88


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Hey does anyone know how to get rid of the sort of splotchy lighting/shadow that comes about every now and then when you render a daylight interior rendering?  I have it on a high 300dpi setting and I'm getting really unsmooth shadow and light.


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Fri, Sep 7, 2012 at 8:41:48 AM | Splotchy Shadow from Daylit Renderings

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teafoe5


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Post your render settings along with an image of a "bad" rendering you are getting.


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Fri, Sep 7, 2012 at 8:47:21 AM | Splotchy Shadow from Daylit Renderings

#3

AlbrechtImaging88


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High150 dpiInterior: Sun Lit Only 



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110744_Daylit_Bedroom_Test_2.jpg

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Fri, Sep 7, 2012 at 9:49:07 AM | Splotchy Shadow from Daylit Renderings

#4

hoffmanr


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I could be wrong but it looks to me like the "splotchy" look you are seeing in the image is just a material texture map on certain materials in your project.  the shadows actually look really smooth.


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Fri, Sep 7, 2012 at 9:50:58 AM | Splotchy Shadow from Daylit Renderings

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AlbrechtImaging88


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I'll see if that might be the case but I don't believe I have a texture on the walls


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Fri, Sep 7, 2012 at 10:27:47 AM | Splotchy Shadow from Daylit Renderings

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WWHub


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That's the problem.... default.  Add a material then render.


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Fri, Sep 7, 2012 at 1:52:08 PM | Splotchy Shadow from Daylit Renderings

#7

AlbrechtImaging88


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I checked my materials and there's no image or bump map assigned, it's just a color, no gloss or anything and somehow its super splotchy all over it.  It seems like its the light and its going through rippled glass or something like that.  I checked my glazing on the window and it all seemend fine.  Thanks for the suggestions but anyone have any other ideas what it might be?


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Fri, Sep 21, 2012 at 7:18:23 AM | Splotchy Shadow from Daylit Renderings

#8

AlbrechtImaging88


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Just in case anyone was curious to know, I found a solution to the splotchy light that I was getting.  It turns out its a fault in the metal ray render engine with the final gather and photon settings that it defaults to.  Since we can't access those settings within Revit like we can in Max the solution is to up the Indirect Illumination Smoothness value in the advanced render settings.  


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Fri, Sep 21, 2012 at 8:25:36 AM | Splotchy Shadow from Daylit Renderings

#9

teafoe5


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Did you try a different material all together on the wall?


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Fri, Sep 21, 2012 at 8:31:30 AM | Splotchy Shadow from Daylit Renderings

#10

AlbrechtImaging88


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Yeah, I varied it to a fabric, just the "generic" gray material, and tried a material I've used in the past that rendered ok with all the same settings and all of them came out with the splotchy sort of effect on them


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