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Thu, Feb 16, 2012 at 2:19:04 PM | Rendering Time

#1

nelsonstitt


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Hello

 

I am rendering an animated walkthrough that is aproximately 1 min long and contains over 170 light fixtures.  The walkthrough has 800 frames in it as well.  How long would a render process like this take?  Does anyone have any shortcuts for reducing rendering time?  CryingThe lights are the feature of the walk though so I cant reduce their number)


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Wed, Feb 22, 2012 at 10:36:33 AM | Rendering Time

#2

Cotapaxi


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What version of Revit are you using - 2012 has a Render in cloud (server farm) which you can upload to and let your renders run (also very quick) - I believe you can also run the cloud as a plug in for earlier versions?

 

Hope this helps,

 

C.


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Wed, Feb 22, 2012 at 11:20:19 AM | Rendering Time

#3

dgcad


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The rendered walkthru nelson speaks of would take several weeks to render on 1 PC. REVIT 2009-2010 would actually do it much fasted but at a lesser quality.

 

 

Here's how you do the math. Render one frame of an average view (ie: average amount of lights visible) (Interior lighting scenes are a KLLER). Lets say you have a top notch PC and it takes 30 minutes to render one average frame. Multiply that times 800. That's your rendering time which is 16 days.

 

 

I have not used the Render Cloud server farm option but it sounds awesome if it's real. Didn't know it existed beyond paying big $$$ for an outsourced service.

 

 

Another inhouse option is to have multiple computers * all aetup with the same render options * each render so many seconds (frames) of the entire walkthru. When you setup the animation export you can specify which frames to render. Then piece them together after the fact with Microsoft Movie maker etc. . .

 

Cut the render time by 5 times if you have 5 computers all rendering all night long.

 

 

To prevent PC lockups during rendering keep the rendering time lengths short so you don't loose a bunch of time if something goes wrong.

 

 

As an example, break the 60 second rendered annimated walkthru down into 12 - 5 seconds segments. So each rendering process would have approx. 66 frames (800 / 12) or 66 - 30 minute renderings or 33 hours to render 1/12th of the video. So under these conditions if you had 12 computers all rendering at the same time it would take 33 hours to complete.

 

 

Then you just splice the videos together and jazz it up as required.

 

 

Another tip is to reboot between large rendered annimation exports. This really help with speed and lockups.

 

 

I'll be looking into this 'cloud rendering server farm' myself in the mean time . . . . 

 


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Thu, Feb 23, 2012 at 3:30:06 AM | Rendering Time

#4

mathill


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Autodesk cloud render comes with subscription (100 cloud units per sub whatever they are) I assume you have to pay after that. 14 minute render took 2 minutes though. 


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Thu, Feb 23, 2012 at 8:52:07 AM | Rendering Time

#5

dgcad


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I see.

 

Here's a link for anyone else needing rendering services. I could have used this a couple months back . . . DOH !

 

http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=17889433&linkID=16831209#section10

 


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