pixels have jagged/ridged edges

Maxon Cinema 4D (Export script developed by abstrax, Integrated Plugin developed by aoktar)

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Tehchriis
Licensed Customer
Posts: 12
Joined: Fri Aug 07, 2015 11:37 am

Hi, I'm running into a problem I have never seen before.

I'm making a render with neon tubes. so there are 2 glass tubes wrapped around a blackbody emission tube. However for some reason the pixel-edges along alot of tubes are very slightly jagged.

Along the red line you can see it the most.
http://imgur.com/a/ngpdV

This is on 100% view, so I'm not zooming in. Increasing samples doesn't really seem to help and increasing resolution doesn't help either.
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Terryvfx
Licensed Customer
Posts: 375
Joined: Tue Dec 30, 2014 12:43 am

I'm not sure what you mean, can you do a render where the problem is a little more obvious?
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bepeg4d
Octane Guru
Posts: 10325
Joined: Wed Jun 02, 2010 6:02 am
Location: Italy
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Hi Tehchriis,
it seems that there is too much contrast and you see the jaggling effect. You can reduce the emission, increase the Highlight brightness compression in Camera Imager, and slightly increase the Filter value in the Kernel settings. Increasing this value acts like increasing the antialiasing in other render, but blurs all the image, so use it carefully.
ciao beppe

P.S. if you can upload as attachment your screenshots instead of using external links, it would be much better for us, thanks.
RSgraphics
Licensed Customer
Posts: 143
Joined: Wed Aug 03, 2016 4:04 pm

I recall having a slight jaggedness around a screen i made. This screen had a piece of geometry for glass and another piece of geometry for the screen which had the emission material on it. I got rid of the jaggedness by moving them a little further apart. They weren't touching to begin with but by moving them apart just a little more, solve the issue.
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