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Forums >> Revit Building >> Technical Support >> Exterior render going on unusually slower then ever!
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Joined: Wed, Sep 22, 2010
11 Posts
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Hi.I'm doing an exterior render now,using still Revit Arch. 2010.I made one with the same camera view some weeks ago(was just a little bit less complicated scene) and it took me not more than an hour and smth to render in sunlight. The changes I made now include some added knick-knacks like three umbrellas and some fascias...also some new image textures assigned to quite a few of the objects,turned the lights on(there are 72 of them,but like a half are highly dimmed and theres the sunlight as well) + bumped up the reflectivity of the curtain walls to 30%.Could it be the reflectivity or maybe the artificial lighting that does this huge time extent? It has been 2 hours and it\s only up to 17% and it had been crawling through the last hour making for only 2 percents...I actually just expanded my Virtual Memory,according to the instructions on Autodesk's site to 3GB,I thought that only could help + I reduced the display's resolution down to the lowest possible.(my machine is a notebook 1.6 Core2Duo 2Gb RAM 512MB ATI Mobility Radeon) I hope u have any advice on that.Thanks P.S. Thanks a lot for the guys that helped me out for the interior rendering.It really helped.
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Joined: Sun, Jun 24, 2007
592 Posts
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it is the reflections.
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Joined: Tue, Jan 16, 2007
1009 Posts
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72 lights is quite a lot as well, I would make light groups and turn off the lights you are not using. Are the lights interior or exterior and are you using daylight portals?
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Joined: Wed, Sep 22, 2010
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Well 20 out of those 72 are interior ones illuminating one of the interiors,but as well as the exteriors all are dimmed quite a lot,u can check out the image (finally it took 15 hours) but sure there's also the daylight on (45 azimuth angled to 45).No I don't have daylight portals - arent they used only in interior scenes?
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