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Topics - romullus

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My 3ds max suddenly started to save scenes excessively slow. 100MB scene takes about half a minute to save. This issue is global and not with one specific scene. I tried to run max cleaner script, but those tools usually helps with scene specific issues. I've checked if maybe file compression on save, accidentally got activated, but that's not the case.

If someone has some advice where to look for the issue, i would be very grateful - those saving times are killing me.

[Max] Bug Reporting / Corona converter - portals error
« on: 2020-04-26, 11:07:05 »
Corona 6 Apr 16
Converter v1.43

Converter shows an error when trying to convert old Mental Ray scene with mrSkyPortals.

Code: [Select]
Error occured in mr_Sky_Portal : $mr_Sky_Portal:mr Sky Portal01 @ [399.122101,-69.382713,188.480972]
-- Runtime error: Not creatable: CoronaPortalMtl

Maybe instead of error it should display warning that portals has been deprecated in Corona 6 and add them to named selection set for user convenience?

P.S. converter asks to report error in old forum topic, which is locked now:

[Max] Feature Requests / Simple CoronaProxy UI improvement
« on: 2020-03-31, 11:12:02 »
Can you show proxy's name in its stats window please? The same as it is done in CoronaBitmap. There is plenty of empty space in that window and it would be nice if proxy's name would be more easily accessible than it is now.

[Max] Feature Requests / UvwRandomizer - rotate about center
« on: 2020-02-20, 11:54:38 »
Please add an option to rotate about UV coordinates center in Corona uvw randomizer. That would greatly enhance this map. An example how it could be done, can be seen in 3ds max's uvw xform modifier. Below is attachment that clearly demonstrates benefits of rotation about center instead of 0, 0 like it is now in Corona uvw randomizer.

Like all other lenses, fisheye also has depth of field and vignetting. There's no reason to not have them in Corona. Pretty please.

[Max] Feature Requests / Gizmo size for Corona sun
« on: 2020-02-06, 14:22:39 »
Please add gizmo size spinner for Corona sun. As it stands, the only way to change its gizmo size, is to have target enabled, change reference coordinate system to local and drag the sun light object along Z axis. That's pretty inconvenient, especially since i prefer my sun to be in targetless mode most of the time.

[Max] Resolved Feature Requests / Round edges and opacity
« on: 2020-01-26, 12:37:59 »
It would be very cool if CoronaRoundEdges map could work in conjunction with opacity maps. If you could add perforation map to opacity and round edges to bump and your materials would have nice rounded edges around perforation holes, that would greatly increase realism.

Corona interactive fails to register changes in 3ds Max standard lights. Tested in Corona 5 final.

[Max] General Discussion / Normals RE saving issue
« on: 2019-11-16, 16:06:41 »
Sometimes i use Corona to bake geometric details onto flat surface and recently i noticed that it incorrectly saves normal shading render element. Flat surface that is perpendicular to the bottom facing camera, should have 128 128 255 colour, but it is saved as 127 127 255 instead. I did little experiment, rendered such surface with 128 128 255 sRGB colour assigned, with flat white lighting, then saved beauty and NormalShading RE. Both elements displayed correctly in VFB, but only beauty has been saved correctly. One thing i noticed, that normal element in VFB was 0.50000 0.50000 1.00000 (tonemapped sRGB), but beauty was 0.50205 0.50205 1.00000 and that got me thinking, could this be a rounding error? If so, can something be done about it? 127 127 255 in normal map is a big issue when renderer expects 128 128 255. For now, i'm correcting baked textures in Affinity, but that's hardly a viable solution.

[Max] Resolved Bugs / Corona Scatter is broken
« on: 2019-11-01, 16:06:24 »
Build 5 RC4

Something funky is going on with Corona scatter in latest build. It's hard to describe in words, so i just leave the video here. Also attaching scene.

[Max] I need help! / Portals - big difference in lighting
« on: 2019-10-10, 12:30:59 »
I know that there could be some change in lighting when portals are used, but i didn't expected the difference to be such big. The scene has single big portal, located at the rooftop opening and there's big difference in lighting, mostly visible on the floor. Portal really helps a lot to clean the noise in this scene, so i'd like to use it, but i think that lighting without a portal, looks better in this case. Does such difference looks normal?

Pictures are rendered with minimal tonemapping - just highlight compression, adjusted WB and a LUT. Using a LUT slightly exaggerates the difference, but even without it, it still doesn't look right. denoising and all other effects are turned off.

[Max] I need help! / [SOLVED] Set focus in VFB question
« on: 2019-10-07, 21:04:03 »
When i set camera focus in VFB, where does Corona stores information about it? Is it possible to get exact focus distance? Is focus point linked to active camera or to the surface of an object? If i move the camera, will focus point move with camera, or will it stay in place?

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