Messages

1

[Max] I need help! / Re: CORONA Render identity

« on: Today at 14:57:40 »

I finally found out that this happens when 3DS MAX is run with administrator privileges. What is the reason for this?

2

[Max] I need help! / CORONA Render identity

« on: Today at 14:09:54 »

With the same max cr version and an empty scene (only a gray blank background), why does "identity" appear?

3

[Max] I need help! / How to Accurately Identify the Last Rendering Mode

« on: Yesterday at 10:14:14 »

Hello I want to know whether the content of the last rendering in the current VFB was generated by Production Render or IR Mode. There is no time record in the log （CoronaMax2026_log.txt， CoronaMax2026_interactive.txt）, so it is impossible to tell.
CoronaRenderer.CoronaFp.getRenderType also only works during rendering. It will not function once rendering is complete.

4

[Max] Bug Reporting / Re: Corona Bitmap Color space/RGB primaries not working properly

« on: 2025-07-29, 07:41:39 »

I’ve encountered this issue as well: once a 3ds Max bitmap is loaded, it can’t be modified—you have to save a copy of the texture under a new name and then reload it.

Code: [Select]

-- fake code like:
bmp = bitmaptexture.bitmap
bmp_copy = copy bmp
bmp_copy.filename = "test.jpg"
bmp_copy.gamma = 1.0
save bmp_copy

bitmaptexture.bitmap = openbitmap bmp_copy.filename



5

[Max] Bug Reporting / Re: Some render as black.

« on: 2025-07-28, 15:18:29 »

Interestingly, it works normally in IR mode.

6

[Max] Bug Reporting / Re: Some render as black.

« on: 2025-07-26, 12:26:13 »

Hello! I found the cause — it's due to the material's absorptionDistance property. Could it be because the value exceeds the thickness of the model?

Code: [Select]

a = $
$PolyMesh:BUG OBJECT @ [4492.307129,3074.154297,2863.999756]
obj_height = (a.max - a.min).z
0.000244141

absorptionDistance < obj_height

7

[Max] Bug Reporting / Some render as black.

« on: 2025-07-26, 11:04:02 »

Hello, I noticed that the screen goes black at certain angles, and it seems to be an issue with this model.


A: CMaskChannel is OK   Black Beauty
B: Everthing is OK

Code: [Select]

$cam.pos = [729.648,-2663.64,246.706]
$cam.target.pos = [1818.03,3508.9,2018.18]

8

[Max] Bug Reporting / Re: DR environment BUG

« on: 2025-07-24, 18:34:02 »

I'll handle it simply for now.


    fn fix_env_map_dr  = (
        cr = renderers.current

        has_map = false

        if cr.bg_overrideDirect and cr.bg_texmapUseDirect and cr.bg_texmapDirect != undefined do(
            has_map = true
        )

        if cr.bg_overrideReflect and cr.bg_texmapUseReflect and cr.bg_texmapReflect != undefined do(
            has_map = true
        )

        if cr.bg_overrideRefract and cr.bg_texmapUseRefract and cr.bg_texmapRefract != undefined do(
            has_map = true
        )

        if not has_map do(
            return false
        )

        if cr.bg_overrideDirect and cr.bg_texmapDirect == undefined do(
            cr.bg_overrideDirect = false
        )

        if cr.bg_overrideReflect and cr.bg_texmapReflect == undefined do(
            cr.bg_overrideReflect = false
        )

        if cr.bg_overrideRefract and cr.bg_texmapRefract == undefined do(
            cr.bg_overrideRefract = false
        )

    )

9

[Max] Bug Reporting / DR environment BUG

« on: 2025-07-24, 18:16:58 »

When the override environment is left empty, distributed rendering may encounter issues.
A: dr off
B: dr on

10

[Max] I need help! / Re: The rendering results of projected textures vary with different resolutions.

« on: 2025-07-01, 12:55:38 »

Render B

11

[Max] I need help! / The rendering results of projected textures vary with different resolutions.

« on: 2025-07-01, 12:51:10 »

A: 1000X1000
B: 3500X3500
Corona 12 update 1