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Unexplained render artifacts?
Hi there. I’m attaching a relatively simple scene, as well as screen shots of the undesired render result. I have everything set up and working, even looks good in the Redshift Viewer, but as soon as I render to files, certain frames get these weird artifacts that I can’t explain — or, more importantly, get rid of! I’ve tried removing all the materials and rendering with no lights, etc., but those artifacts persist. Not sure what else to try. (I started a test scene, thinking it’s probably my unholy cascade of Booleans, but that looked fine, and also, I tested all my Boolean geom. as editable* and it didn’t fix things). *Editable except the holes being cut, which I need for the animation. Anyway, here’s the files:
Edit: Hmm. I thought you could write descriptions for images next to the images?
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3 Replies
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Hi Blake,
On the object that receives the weird effects, apply an RS Object tag, then activate the visibility option, and under REFLECTION & REFERACTION, disable the visibility in the reflections and re-render to make sure that the weird effects is gone, otherwise disable the visibility in refractions as well. This may not be a radical solution, but it solves the problem, especially when you do not have time to check all the settings and find out where the problem is. I hope this is helpful.
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Hi Kouraib,
Thanks for the suggestion. I gave it a whirl, but those weird artifacts remain (attached screen shot). I’m going to attempt to recreate the scene and see if I get the same results (hopefully I won’t!). I appreciate the help.
Edit: Upon additional exploration, I think it has to be something with the Booleans: I disabled the Boolean that cuts the hole in the floor and re-rendered and the weird stripe is gone. Of course, that wrecks the animation, but at least I know where to focus my energies! (Second attachment.)
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All right, one more discovery: I had the particle emission tied to the intersection of a field (parented to the green ball thing) and the “floor” of my set. In order for emission to only happen at the locus of the intersection, I’d subdivided the floor: I think the Boolean object got confused with all those components, so I removed the subdivisions and used planes that are invisible to the renderer as my “hit boxes,” so to speak. That seems to be working in my testing so far.
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