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Joined: Thu, Sep 9, 2010
105 Posts
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Rendering takes so long in Revit that it is hard to experment with different settings. Specifically I'm wondering if I would get a better result at 75 DPI and the "BEST" setting or using 150 DPI and using the "MEDIUM" setting? Like most people I'm trying to get the best result in the least amount of time. I also do not understand the "uncompressed image size" information - as long as the DPI remains unchanged the size remains the same no matter what setting (from DRAFT to BEST) I render at - that does not seam logical. Any rendering hints would be greatly appreciated.
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Joined: Wed, Mar 5, 2008
208 Posts
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Have you try render the "Best" mode with the region checkbox checked? This way you can get the higher quality with the least amount of time
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Joined: Thu, Dec 16, 2004
792 Posts
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cboersen, Hopefully this will she a little light on what that rendering dialog is actually doing. In regards to the Draft, Medium, High, Best settings. All this is doing is setting up the preset variables that the render engine uses, things like Daylight Portals, Anti-Aliasing, Soft shadows, etc. You can see these variable by choosing "Edit.." in the setting drop down. Things that exponentially increase render time are the settings such as the Reflection and Refraction bounce settings, Soft-Shadows, Illumination Bounces and enabling Daylight Portals. You'll notice that you can not edit the preset settings, but if you click "Copy to Custom" then you can edit them starting from the presets. In regards to the DPI settings: obviously you understand how DPI works based ont he question you are asking so the only real answer is this; you have to look at what your final product will be viewed on. If it's jsut a screen, then 75/72DPI is all you need. If it's goign to be printed on up to 8x10, then the medium 150 dpi will most likely print better than the best 75 dpi despite the higher quality rendering. Hoever, a best 150 will look better than a medium 150 (i know render time, right). The next question is really about what else you have in the model. Are there a lot of lights? Complex geometries? If it's really that long of a render have you tried creating a render specific model and cropping out the unecissary lights and geometries? Are you using large texture maps? All these factors come into play in time of rendering. Sometimes it's worth it, other times it's not: Yes, that's a 24 DAY render, but you can see the flecks in the terrazo floor. It's also a 9"x16" image at 300dpi. HTH!
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Carl - rkitecsure[at]gmail.com
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