Vray Light Conversion - New Problems

[SamuelAB]

Hi,

Since Octane does not have a light converter, we have to use the Vray light converter and then convert it into Octane when importing FBXs. This used to work properly, but now seems broken.

I used to be able to convert a rectangular light using this process, but now all lights are converted to point lights. They are also all pointing down now, which is incorrect.

Have a look at this scene. All the rectangular lights have been converted to points. All the lights that are supposed to point sideways now point downwards.

Another thing, I wish I could control whether the light is visible by default instead of changing them all manually. I do not usually want to show this light.

[paride4331]

Hi SamuelAB,
Octane material converter converts Vray lights.
As you can see in my screenshot all works fine.
About visible/invisible, i could ask to developers to add that option in Vray conversion option panel.
Regards
Paride

[SamuelAB]

Hi Paride,

I certainly found two faults with my experience last Friday:
-The are shapes are gone and lights are transformed to point lights
-Light that do not point downwards are converted by Octane into lights that point downwards

I will try to set up a test file and screenshots when I get to work. Fro your test file, I suggest getting some files that are not pointing downwards as well.

Actually, I suggest converting a Revit file with proper lighting to see our workflow. PS- we would not be doing this 3ds Max workflow if the Revit plugin just worked with lights properly.

[paride4331]

Hi Samuel,
please, could you better explain your workflow?
you prepare your scene using: (Revit and Vray?)
you export your file to max using: (.FBX?)
then do you convert imported scene?

I would like to help you but I cannot follow what you were saying.
Regards
Paride

[paride4331]

Hi SamuelAB,
Is this your workflow?
viewtopic.php?f=27&t=70395#p355459
could you share a .FBX from Revit you made?
Regards
Paride

[SamuelAB]

Hi Paride,

My workflow is:
-Export FBX From Revit
-Import into 3ds Max
-Switch to Vray
-Select lights and convert to Vray lights
-Using Universal Material Converter, convert materials to Standard (https://www.3dstudio.nl/webshop/product ... -converter)
-Switch to Octane and convert the whole scene materials and lights

*I wish Octane has a light converter so that I would not have to use the Vray expired trial converter*

Here are two FBXs from Revit before any of these conversions

FBX.zip

(29.54 MiB) Downloaded 264 times

[SamuelAB]

You can see the process in this image.
I get a weird error when converting with Octane as well, see screenshot

[SamuelAB]

There are the error messages from converting this small scene, with extra logs enabled:

[O3m] !! Failed to convert material <01 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <02 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <03 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <04 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <05 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <06 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <Solid Glass>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <Ceramic>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <Wall Paint>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <Metal>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <11 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <12 - Car Paint>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <13 - Brushed Metal>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <14 - Polished Aluminum>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <15 - Glossy Plastic>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <16 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <17 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <18 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <19 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <20 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <21 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <22 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <23 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <24 - Default>, unknown class <Physical Material>, Class_ID(0x3d6b1cec, 0xdeadc001) sid=3072..
[O3m] !! Failed to convert material <Mur par défaut>, unknown class <Autodesk Generic>, Class_ID(0x1ed415e4, 0x213daaf8) sid=3072..
[O3m] !! Failed to convert material <Generic>, unknown class <Autodesk Generic>, Class_ID(0x1ed415e4, 0x213daaf8) sid=3072..
[O3m] !! Failed to convert material <Verre blanc à forte luminosité>, unknown class <Autodesk Generic>, Class_ID(0x1ed415e4, 0x213daaf8) sid=3072..
[O3m] New octane material Converted : <Object> from class <VRayIES>
[O3m] New octane material Converted : <MultiMat_0> from class <Multi/Sub-Object>
[O3m] New octane material Converted : <Object> from class <VRayIES>
[O3m] !! Failed to convert material <Lentille acrylique>, unknown class <Autodesk Generic>, Class_ID(0x1ed415e4, 0x213daaf8) sid=3072..
[O3m] New octane material Converted : <MultiMat_1> from class <Multi/Sub-Object>
[O3m] New octane material Converted : <Object> from class <VRayIES>

[SamuelAB]

'About visible/invisible, i could ask to developers to add that option in Vray conversion option panel.'

That would be great! A way to mass modify lights would be great as well. Something like the 3ds Max Light Lister.

My current model has 800+ lights and I'm not really feeling the hunt and click adventure of making them all invisible

[SamuelAB]

I've tried converting the Vray lights with Octane 3.08.3 and got the same results where a rectangular source becomes a point source.

I`ve done this successfully in the past, but it seems tohave broken at some point. Any help would be appreciated.

If I can get the volumetric lights to convert, I will be pretty happy!