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Forums >> Revit Systems >> Technical Support >> Very Slow Rendering (many RPC trees)

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Fri, Apr 9, 2010 at 10:27:29 AM | Very Slow Rendering (many RPC trees)

#1

Pajoonk


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Joined: Thu, Apr 16, 2009
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Hi,

 

I have problem with rendering of a scene in Revit 2010.

On the bottom i have few houses, garages, roads, grass etc. I t renders fine and fast.

Upper part of the scene is filled with lots of RPC trees (yes its a forest) and it renders VERY slow.

After 15h of rendering it came to 45%.

I also noticed that until Revit hits the tree line it uses 100% of my dual core processor, after that only 50%.

Settings are set on Medium, 600DPI, lighting only from the sun.

My system is a laptop with Core 2 Duo T7400 (2,16GHz), 4GB of RAM, nVidia Quadro 1500M, WIN XP 32-bit PRO SP

I've done some renderings with even bigger amount of trees (but lower, screen resolution) and it went pretty fast.

 

Please help.

Andrew 


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Fri, Apr 9, 2010 at 7:08:23 PM | Very Slow Rendering (many RPC trees)

#2

Pajoonk


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At 42% I had "Unknown error during rendering process. Rendering terminated" message.

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Fri, Apr 9, 2010 at 7:10:07 PM | Very Slow Rendering (many RPC trees)

#3

Typhoon


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Joined: Tue, May 22, 2007
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My guess is: Out of Memory, try to render in 300dpi and check

 


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I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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Sun, Apr 11, 2010 at 12:21:34 AM | Very Slow Rendering (many RPC trees)

#4

Pajoonk


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I tried it on Screen resolution (about 1200x800), and Medium quality. It rendered with no problems.

On 300dpi (slightly bigger res. than Screen) it's little faster than 600 but still slows down after a while.

My patience ran off after about 42% and 15 hours. 

Is there anything I can do about memory (if it is a memory problem).


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Tue, Apr 13, 2010 at 4:52:09 AM | Very Slow Rendering (many RPC trees)

#5

Pajoonk


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It was memory problem.

Adding more RAM and 64bit system solved the problem completly.


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Tue, Apr 13, 2010 at 8:47:25 AM | Very Slow Rendering (many RPC trees)

#6

Typhoon


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Rolling Eyes

 


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I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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