Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] Bug Reporting => [Max] Resolved Bugs => Topic started by: Tengiz on 2015-04-01, 00:37:30

Title: Bug in alpha channel
Post by: Tengiz on 2015-04-01, 00:37:30

Hello.

After saving file in .exr, .png or .tga format there appears a problem with the composing file using alpha channel. The objects have contour around them with the color of background. If tha background is black, the contour is black. If the background is light, the contour is light too. Such problem doesn't appear in V-ray or Mental Ray.
What should I do to have an opportunity of changing background without such bugs?

Title: Re: Bug in alpha channel
Post by: maru on 2015-04-01, 09:56:53

This was discussed many times (example https://forum.corona-renderer.com/index.php/topic,2669.msg27737.html#msg27737 ). It depends on the software you are using, file formats, etc.

Title: Re: Bug in alpha channel
Post by: Tengiz on 2015-04-01, 18:22:09

Thank's

Title: Re: Bug in alpha channel
Post by: Ludvik Koutny on 2015-06-08, 16:56:35

Maru already explained the problem. Also, improvements to handling of Alpha channel are already in progress.

Moving to resolved.