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Forums >> Revit Building >> Technical Support >> photo-realistic rendered walkthroughts

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Fri, Jul 10, 2009 at 2:46:20 PM | photo-realistic rendered walkthroughts

#1

ginacang


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Just wondering if anyone has experience rendering photo-realistic walkthroughs?  The company I work for would like to get into 4d and 5d scheduling, estimating, and demonstrating to clients and workers phase development in photo-realistic rendering.  What we have been able to put together so far was only a 7 second video which took many hours to render each frame, and did not show much since the quality needed to be turned down due to the length of time.  Has anyone tried rendering walkthroughs for their clients using revit... can you provide an example of how much time it may have taken to complete?  Did you use another program besides Revit?  Just hoping to gain a little in site to be able to lead the office in the right direction. Thank you for all your help.

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Fri, Jul 10, 2009 at 4:00:50 PM | photo-realistic rendered walkthroughts

#2

coreed


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Joined: Fri, Feb 10, 2006
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as you have founded out, during high quality rendered walk thrus with Revit requires hour upon hours of time. if you plan on during large volumes of such type renderings, then 3d max would be the one place to look.

hth


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Fri, Jul 10, 2009 at 8:06:32 PM | photo-realistic rendered walkthroughts

#3

Dasher


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Our rendered walkthroughs / arounds took over 80 hours to do one minute videos to show client. We did not use 3dMax but did it in Revit. We later found a render service in CA I think could do the 1300 frames for about $225 US in about 15 min. using over 1000 processors. We never did get that far as the company almost folded in the past year.

 If you are serious about quality rendered walkthoughs then go with a service. The only draw back we found with this service was we had to assemble the images when they returned them to us via photo editing software.


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Wed, Jul 15, 2009 at 6:26:24 AM | photo-realistic rendered walkthroughts

#4

eldados


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You can do it in Revit it's just going to take a long time, if you have a couple or more computers you can use, I suggest setting up the work through making sure it is what you want (use hidden lines to start with),

detach open the file on computer 1 and set the frames you want to render, break it into as many part as you have computers for:

computer 1; from frame 1 to 50

computer 2: 51 to 100... you get the point Smilethe reason for detaching is that it might take really long to render so you can still have the original file to work on while the other is rendering...


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Wed, Jul 22, 2009 at 7:18:24 PM | photo-realistic rendered walkthroughts

#5

tmags711


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Joined: Thu, Nov 15, 2007
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So, I have a walkthrough set up in Revit 2009. I did a test render of the video, 100 frames, at draft quality. It took about 45 minutes (it's a really simple project). I would like to do a high quality rendered fly-around, walk-around. I've seen all the posts about rendering in 3DS Max. I suppose my real simple question is, how? I'm assuming I export from Revit in a FBX format. I'm waiting on a copy of Max, I haven't tried it yet. When I export, does it take with it the camera views, angles, and speeds? I do know it takes the materials, but what about decals and custom materials I've assigned?

I have a brand new, powerful computer. Intel i7 920 2.67Ghz processor, 12GB RAM, and a video card with 1726MB memory. I could just set it up and run it overnight, but I'm curious about Max for future, more intensive projects.

Attached is an aerial view of what I'm trying to render, and the decals that I'm concerned about.



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63152_Aerial_Preview.jpg63152_Granite_Slabs.jpg

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Wed, Jul 22, 2009 at 10:43:21 PM | photo-realistic rendered walkthroughts

#6

eldados


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yes, FBX will be the format you need, it will take your revit materials across but will only take one camera with the model.

Max uses a different method to create a fly through, you'll need to figure that one out Smile 

but the render will look much better and will take less time as well!


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