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Thread: Rendering Size

  1. #1
    Junior Member patdav44's Avatar
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    Rendering Size

    Hi all,

    So I am trying a new method out, was wondering if I could save some time and stress by just asking...

    I have been experimenting with rendering on Revit at the Best quality, 600 DPI with an image of 8" x 5" and leaving it rendering overnight. The resulting image is pretty good, but needless to say it is a bit small. A co-worker told me that if you simply put it into PhotoShop, you can amplify the size pretty easily without loosing quality.

    So basically, I want to render a small image at really high quality, and then stretch with PhotoShop.

    Any thoughts / comments?

  2. #2
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    Open your camera view, select the scope box. Then, in the ribbon, choose size crop and adjust the size there. Then render it.

    Is it an interior or an exterior scene? I don't think going to 600 and wasting the time is going to give you any real benefit. I could be wrong, though. There's a few threads on here with test renders. I'll try to find them for ya.

    It's a sticky at the to of the rendering section. Check out this thread.
    Last edited by dzatto; February 4th, 2014 at 11:10 PM.

  3. #3
    JCM
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    Best Quality is usually overkill. 600 DPI usually is overkill too unless you need to print really large images. Typically 300dpi should suffice for most applications. What are you planning to use the renderings for?

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    I mostly do exteriors. I use draft setting, bump the image precisions up to about 7, and set the output for Printer @ 300 dpi. I can render a 8.5X11 scene with RPC's in about 5-7 minutes or so.
    Attached Thumbnails Attached Thumbnails Rendering Size-3-right-austin-stone-saratoga-springs-brick.jpg  

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    Junior Member patdav44's Avatar
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    These are exterior shots of mid to hi-rise buildings.
    After experimenting with the render settings, I have found that 300 DPI does the job, but 600 DPI looks WAY better. Especially the detail of the railings of the balconies.
    The Scope Box definatley helps the render time, thanks for the advice.

    I was able to take the rendering into PhotoShop and amplify the size, and then crop to a 12 x 18 image (originally a 5" x 8") with very good quality.
    It does take the whole night to render though, haha. I was simply doubting the process and wanted to try it out.

    Furthermore I will try DZATTO's settings for quicker renders.

    I appreciate your thoughts and concerns.

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    JCM
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    Other things to consider that affect rendering times are:
    Lights: Do you use just exterior sun? If you use interior and artificial, remember that revit calculates every light in the project, even if it is not visible in the view itself. You can use a section box in the perspective view to limit the area that is considered.
    How high is blurry reflection and refractions precision turned up in the render settings?
    I have found that this value does not need to be high in order to get decent reflections and refractions. Lowering these setting can give you a bit of a decrease in render times.

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    Quote Originally Posted by dzatto View Post
    I mostly do exteriors. I use draft setting, bump the image precisions up to about 7, and set the output for Printer @ 300 dpi. I can render a 8.5X11 scene with RPC's in about 5-7 minutes or so.
    makes me want to get my oil changed

  8. #8
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    May as well get your car washed, too.
    Attached Thumbnails Attached Thumbnails Rendering Size-sw-view-4-columns.jpg  
    tzframpton likes this.

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