dutch Posted June 15, 2009 Share Posted June 15, 2009 I've built an interior for a large warehouse type building (about 14 meters from floor to ceiling). The only light source comes as a "sun" from 4 meter openings near the ceiling. I want the light to be extremely soft so the light on the exterior is about 50 meters across to simulate a cloudy day. I've started out with a target directional light, with area shadows turned on. This is accurate, but also very slow to render because the subdivs need to be cranked up. Secondly I tried using the vray light material on a plane. (I can't give much feedback, but i will play with this some more). Thirdly, I tried to use a vray light with "store with irradiance map" checked. This is fairly fast, but shadows on the smaller details are fairly blurry or non existent. Basically, I just want to know what method is best for simulating a very very soft light shining into an interior space. Link to comment Share on other sites More sharing options...
Tommy L Posted June 15, 2009 Share Posted June 15, 2009 Post a render. Link to comment Share on other sites More sharing options...
dutch Posted June 15, 2009 Author Share Posted June 15, 2009 This took 9 minutes with a direct light with vray area shadow at 20 subdivs. Ir is set to medium and HSph is at 70, interp at 26. LC is at 2000 subdivs. DMC: adaptive amount 0.1, min samples 8, noise thresh 0.01, global subdivs x @ 1.0. Link to comment Share on other sites More sharing options...
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