Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: jonlo84 on 2016-09-15, 19:12:59

Title: white square artifact on finished render
Post by: jonlo84 on 2016-09-15, 19:12:59

im getting a strange white square artifact on the eye after the rendering is done.  all the settings are on default.  im doing a network render with 3 other computers and denoise enabled with 10 passes.  the eye material has reflection set to 1. (default settings.)

(http://img12.deviantart.net/cb4b/i/2016/259/9/2/coco_pommel_8_0___pose_2_by_jonlo84-dahtvuz.jpg)

Title: Re: white square artifact on finished render
Post by: PROH on 2016-09-15, 19:57:09

Hi. If you're talking about the white square in the black pupils, then it looks like a regular reflection of a square light plane.

Is that the case? If not, then please give some more details about the scene/light setup.

Regards

Title: Re: white square artifact on finished render
Post by: jonlo84 on 2016-09-15, 20:38:48

i have 3 lights, corona lights.  two spheres and 1 rectangle, which i guess thats where the white square is coming from.  i was expecting a circular highlight. 

Title: Re: white square artifact on finished render
Post by: jonlo84 on 2016-09-15, 20:48:47

i got it figured out, thank you.  i didnt know that the reflections from the lights were going to be that apparent. 

Title: Re: white square artifact on finished render
Post by: maru on 2016-09-16, 15:48:38

The theme of the image obliges me to explain things:
Corona is physically-correct, which means that if a light is rectangular, then its reflection will be rectangular too. You can however disable the reflections/refraction of a light while leaving its illumination by unchecking the desired checkboxes in its settings.