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Found 2 results

  1. I did Entagma's tutorial on quadtrees and I want to take it a step further with my own simple twist. I want to use the area/perimeter/whatever of each quad to spawn points' and drive their respective pscale attributes. So smaller faces will generate smaller cubes (see image below). I'm able to generate points, but can't correctly drive the pscale attribute. I've tried using area and perimeter in the measure SOP. What am I missing? Hip attached: forums_area_to_pscale.hiplc The top image is what I'm currently getting, and the bottom is what I'd like to get (not just within the pink rectangle, but in the entire object): Thanks!
  2. Hi, I am rendering with Arnold a scene which contains really small portion of frame. Maybe 5%. Rendering of this part is really quick as shaders are just flat colors without shading, GI, glossy etc... But rendering the rest of the frame - empty, or black area takes much more time. Is there a way to render only part of frame which contains geometry and maybe a little padding (for motion blur)? Because it would speed up my renders up to 10x times Thanks, Juraj
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