visibility bug for geometries in the same space / MB bug Tweet

[coilbook]

Hi Two bugs:
1. anyway when visibility is set to 0 octane will not render an artifact of two objects being in the same space. I know rendering unchecked fixes it but we have to use visibility because the way chunks of stone disappear during shooting. Thanks


2. When pflow is used or this particle system like in the scene and vertex MB is on these strange lines appear even though particles are not there. Please try the scene SPARKS MB BUG.max frame 95 thnaks

[coilbook]

also if you go to frame 43 this mess happens with particles. Why cannot octane have right MB direction? one frame is ok next one is messed up

[paride4331]

Hi coilbook,
the renders I get with your scene are different from the screenshots you posted, give me some time to figure out.
Said that, those triangles you see in render are an overlapping faces artifact; render engines do not like overlapping faces, especially unbiased render engines.
Regards
Paride

[coilbook]

Hi coilbook,
the renders I get with your scene are different from the screenshots you posted, give me some time to figure out.
Said that, those triangles you see in render are an overlapping faces artifact; render engines do not like overlapping faces, especially unbiased render engines.
Regards
Paride

Hi Paridie yes they are overlapping but the object's visibility is set to 0 so it should become nonrenderable . I also attached 2 max scenes in a previous post opacity bug and sparks bug Thanks

[paride4331]

Hi coilbook,
yes sorry, I told overlapping, but to be fair, I would say coplanar..
Regards
Paride