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Topics - Jpjapers

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IR Appears to be rendering objects that are hidden. The objects disappears if it gets deleted.
Max 2022 and Corona 6 hf2.

When using the distance map and adding items, if i click something it doesn't like and receive the dependency loop warning, Max locks up completely for ten minutes or more.
I cant click any dialog boxes or windows or click OK in the error popup.

This is with Max 2021 and Corona 5.
Im not sure if its reproduceable in other versions as we are locked due to deadline not fully supporting corona 6.

[Max] Bug Reporting / Zdepth showing strange vignetting
« on: 2021-03-18, 17:23:41 »
Im rendering a large flat sheet and using either camera environment ranges or max min values, i get strange vignetting on the zdepth pass.
Is this a known bug?

I was playing around with lighting tests and got playing with caustics and a mirror ball. So i built a quick test setup and soon realised that while the light thats hitting the mirror ball emits as expected with volumetric streaks, the reflected light bouncing from the ball to the walls does not produce the same 'god rays' but still displays the correct brightness on the walls.

I would assume the reflected light would infact produce a ray as bright as the incoming light when reflected of a perfect mirror this way and should therefore produce a beam.
Is this a restriction of the caustics solver? Im aware this is a pretty niche use case.

[Max] Feature Requests / Timestamps on error messages
« on: 2021-02-23, 13:35:25 »
Hi, Its not that important but it would be nice to have timestamps on the errors in the error messages window for those times when youre debugging a scene.

[Max] Bug Reporting / Physical Materials in MatID passes
« on: 2021-02-04, 13:35:45 »
Im not sure if its been fixed but we are still locked to v5.2 at work but we have discovered that physical materials don't render in MatID passes.
We applied the same ID to an object with corona materials and it works as expected.

Corona 5.2
Max 2021

[Max] I need help! / DOF is changing between IR and render
« on: 2021-01-12, 22:49:36 »
Ive got a camera path set up with some DOF on the camera. The target is linked to the object i want to keep in focus and does not move.
When i render my frame in IR it looks correct. When I fully render it, the object is completely out of focus.
Can anyone suggest any reason why this might be happening?

Ive noticed that theres a specific 'vray' mode with Phoenix that allows the simulations to render as geometry and therefore included in passes like zdepth and ID etc.
Is there a way to make this function in corona as simply changing to that mode doesnt work. Is this a known limitation?


[Max] Feature Requests / Material override pass
« on: 2020-11-17, 12:07:46 »
Is it at all feasible to have a material override render pass just like the cTexMap?

[Max] Feature Requests / Render selected: Layer
« on: 2020-11-17, 12:06:12 »
It would be great to be able to select layers  and have that as your render selected mode.
Currently we are having to merge xrefs and create selection sets in order to render the contents of selected layers.

Im not sure if this has been fixed in v6 but in 5.2 ive noticed that i cant run a noise map through a corona colour correct and into a composite.
It works fine with a standard colour correct but corona colour correct doesnt seem to output any information to the composite node.

[Max] Feature Requests / Install CIE in start menu
« on: 2020-10-30, 20:42:46 »
Just a small quality of life thing but it would be nice to have a start menu entry for corona image editor.

Im just curious if anyones ever made something similar to a mother of pearl or 'nacre' material.
Im  thinking some combination of Siger Thinfilm and a custom IOR map but the way it glistens in non-uniform directions is something ive not seen recreated before.

[Max] Feature Requests / Adjust DOF in post
« on: 2020-10-13, 16:00:06 »
I know it has been requested a few years ago, and it would be a technological feat but the ability to adjust actual depth of field after a render is complete in the CIE would be pretty great.
IMHO Zdepth introduces far too many artefacts on hard edges in post.

Im sure it would be appreciated by alot of users and im concious of just how much development this kind of feature would take but just thought id put it up again to see if anyone else is interested in seeing something like this.

It would be great if there was the option within the lightmix tab in the buffer to actually turn the lights on or off rather than just turning off the layer.
It would stop those times when a render goes wrong because the light is still on in the scene after playing in lightmix.

Not an urgent feature but a 'nice to have'

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