Forums >> Revit Building >> Tips & Tricks >> Eureka! Much faster rending made easy-peasy...

Revin

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Joined: Tue, Sep 15, 2009
26 Posts
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Hi all,

I've been playing around with the Revit 2011 rendering capabilities, and found a way to render images (in same good quality) in less than half the time it usually takes.

Usually, to render a specific image at 300 DPI at "Best" level would take my pc about 2hrs to accomplish (for example).

I've found that by selecting the view's crop-region, then enlarging the crop-region to (eg.) 5m wide; then rendering the view at 75dpi, would take about 30 minutes flat. The rendered image would be huge (in physical size), and when printed out on A4 size (or scaled down in Photoshop), the pixelations dissappear almost completely. I get the same image quality as the 300dpi rendering, but at a fraction of the rendering time.

Cheers!

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itsmyalterego

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Joined: Thu, May 28, 2009
829 Posts

What matters most is the total number of pixels.   DPI is an arbitrary number -- It's how many of those pixels there are per inch, and the image density is only important when scaling it to fit a piece of paper, or a monitor. 

I would stay away from "best" quality renderings.  The quality settings only adjust factors like the softness of shadows, the number of refractions and reflections, and other soft lighting calculations that take up an immense amount of processing.   Generally, I stick to medium quality renders at over 4000 pixels for any image I intend to print on 11x17 or smaller, and I'll bump it up to ~10,000px horizontally for a poster.

Medium quality light looks pretty good, in my opinion, as long as you get enough resolution. 

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Revin

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Joined: Tue, Sep 15, 2009
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The renderings I'm busy with is for a television-production, and the clients thus needs the images to be in the highest resolution possible, hence the "Best" setting I'm going with.

But you're right; for images to be printed, the "medium" setting suffices.

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