David Poiron Posted July 20, 2020 Share Posted July 20, 2020 Does anyone know why I might be getting redeeming that looks like this? It seems to happen randomly. macOS 10.15.5 VW2020SP4 Quote Link to comment
zoomer Posted July 20, 2020 Share Posted July 20, 2020 Is your geometry far from VW origin ? Quote Link to comment
David Poiron Posted July 20, 2020 Author Share Posted July 20, 2020 (edited) 0,0 (VW origin) is in the centre of the model (those objects and layers shown in the rendering). Edited July 20, 2020 by David Poiron Quote Link to comment
zoomer Posted July 21, 2020 Share Posted July 21, 2020 Could there be any overlapping geometry ? Or any corrupt Wall ? I assume these splotches come from RW Renderers Global illumination calculation. Are you rendering in drawing window or on a Sheet Layer ? Which Rendering Style ? Quote Link to comment
David Poiron Posted July 21, 2020 Author Share Posted July 21, 2020 It does not appear to be overlapping geometry or a corrupt wall. Render is in a viewport on a sheet layer with Realistic Colours White background render. Quote Link to comment
Pat Stanford Posted July 22, 2020 Share Posted July 22, 2020 On 7/20/2020 at 2:02 PM, David Poiron said: 0,0 (VW origin) is in the centre of the model (those objects and layers shown in the rendering). It does not matter where the origin is if there are objects way out in space. Humor me and check. ;-) Top or Top/Plan view. Select All. Fit to Objects. Does it stay centered on your objects or does everything get really small. Front or any Orthogonal elevation view. Select All. Fit to Objects. Again does it stay centered on your objects? If you end up zooming way out then there are objects out in space you need to find and either delete or move back to the rest of the drawing. 1 Quote Link to comment
David Poiron Posted July 22, 2020 Author Share Posted July 22, 2020 I turned on all classes and checked all layers. The furthest object was 750' from the origin/center of page - I deleted it and it made no difference. Nothing way out in space. Quote Link to comment
Pat Stanford Posted July 22, 2020 Share Posted July 22, 2020 Thank you for checking. Quote Link to comment
herbieherb Posted July 23, 2020 Share Posted July 23, 2020 You can try to delete half of the geometry in a test file to find out if the cause was in this geometry or not. So you continue to work your way forward until you get to the source. Quote Link to comment
grant_PD Posted July 23, 2020 Share Posted July 23, 2020 Definitely samples from the GI calculation. Do you have to be using GI? You could try restarting and see if happens again once the caches are flushed. You could try upping the GI quality (more bounces). Quote Link to comment
herbieherb Posted July 23, 2020 Share Posted July 23, 2020 (edited) I had the same nasty bug once. Changing the GI settings helped sometimes, but not reliably. The same artifacts just showed up in other renderings. The only thing that helped in the long run was to locate the causing object and redraw it. Finding the object was quite tedious because the splotches occurred with a certain randomness. So I tried to reproduce the error with as few objects as possible until I could locate the cause. Edited July 23, 2020 by herbieherb Quote Link to comment
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