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Forums >> Revit Building >> Technical Support >> any trick in Revit rendering not make it so grey?

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Mon, Aug 23, 2010 at 9:17:53 PM | any trick in Revit rendering not make it so grey?

#1

xixiha


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Maybe I haven't found the right way to do it. but kind of feel the rendering did by Revit is all a little grey, not sharp and high contrast. Any suggestion?

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Mon, Aug 23, 2010 at 9:42:01 PM | any trick in Revit rendering not make it so grey?

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mbsteve


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Tue, Aug 24, 2010 at 8:41:38 AM | any trick in Revit rendering not make it so grey?

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Typhoon


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After render you have the "Adjust Exposure" where you can control/adjust your final image but like MB says post some images so we can figured.

 


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Tue, Aug 24, 2010 at 3:36:24 PM | any trick in Revit rendering not make it so grey?

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xixiha


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Here is the small part of rendering, it's an atrium, I rendered with only sun light. I know the trick of adjusting exposure, it can light the rendering up, but still grey.



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Tue, Aug 24, 2010 at 3:38:44 PM | any trick in Revit rendering not make it so grey?

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dgcad


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Grey materials = grey rendering ?

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Tue, Aug 24, 2010 at 5:09:07 PM | any trick in Revit rendering not make it so grey?

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nastyclown


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adjust contrast, and whitepoint, and use more intense color textures.

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Tue, Aug 24, 2010 at 5:53:25 PM | any trick in Revit rendering not make it so grey?

#7

mbsteve


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are you looking through the glass into the atrium?

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Tue, Aug 24, 2010 at 6:12:02 PM | any trick in Revit rendering not make it so grey?

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dgcad


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Actually that's what I was thinking too ! Looking through the glass will definately effect the rendered objects on the other side.

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Tue, Aug 24, 2010 at 6:58:49 PM | any trick in Revit rendering not make it so grey?

#9

xixiha


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No, I am not behind any glass. Is this partially because of the wall material? how should I set up the Gypsum board wall for rendering. Totally white? give some self - illumination? I remember read the self-illumination somewhere on forum.


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Tue, Oct 5, 2010 at 6:34:24 PM | any trick in Revit rendering not make it so grey?

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jche


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.. was wandering if anyone found any solution for this. I alway have the same problem whenever I do a rendering but never could figure out how to improve the results - you can only do so much with the exposure control and typically if I manage to get white to look white everything else looks over-contrasted.. and that's even when I use the whitest white (255, 255, 255)... Self-illumination will also take away from the realism of the end product.. kind of frustrating... on a similar note, the generated sky always looks dirty - thank God they've added background image in 2011.

on the attached image the ground plane was supposed to be white and it's darker than the freaking aluminum on the door.. not to mention none of the materials (all picked from the library) look like they're supposed to.. 



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Tue, Oct 5, 2010 at 7:55:42 PM | any trick in Revit rendering not make it so grey?

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lunchtrayrider


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Less gray in the materials that you are using, more surrounding textural items (preferably things with color, trees, black asphalt, grass, etc.  Also saturation is a good setting to play with.

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Tue, Oct 5, 2010 at 9:31:20 PM | any trick in Revit rendering not make it so grey?

#12

jche


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Thanks for the advice! - the saturation really does help a lot.. my white is still not quite white though - light grey at best with a tint of blue of orange depending on which way I tip the white point - I guess no other option for that but use bit of the self-illumination...

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Tue, Oct 5, 2010 at 9:49:51 PM | any trick in Revit rendering not make it so grey?

#13

Jhui


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I'm wondering if it could be your time of year setting and day time setting.

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Tue, Oct 5, 2010 at 10:25:40 PM | any trick in Revit rendering not make it so grey?

#14

lunchtrayrider


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your white is gray because your still wanting to see clearly things that the sunlight is hitting.  Where the sunlight hits the surface it should be very bright. look at something in real life that the sun is hitting relative to its surroundings.  the generic exposure settings are pretty good but you may need some tweaking.

 

you can also try playing with the temperatur color of the light to more closely replicate the color of sunlight.

 

also understand this and it will help you get your renderings right

 

http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html

 

 


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Wed, Oct 6, 2010 at 2:42:06 AM | any trick in Revit rendering not make it so grey?

#15

jche


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WOW! I've seen this trick before but in this one the illusion is really strong! .. well, I understand all this and I noticed that the brightness of the white or any color for that matter obviously depends on the angle at which the light hits the surface.. I see your point about the settings being such that you can still see things even if they're in the sun but I think someone went overboard with it - white looks gray, period.. I would appreciate an easy way to exaggerate the settings in the opposite direction which Revit doesn't seem to have...

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