This page provides information on importing .vrscenes from V-Ray for 3ds Max into Modo.

 

Page Contents

 

Overview


The import functionality is designed to work with .vrscene files exported from V-Ray for 3ds Max. Any .vrscene files exported from other packages such as Maya or Modo will import, but will be missing major scene elements. To see which elements will import with .vrscene files from 3ds Max and Maya, see the sections below.

The import command writes various warnings in the Event Log.



 

UI Paths:

 ||V-Ray menu|| > Import .vrscene

 

 

||V-Ray Toolbox|| > Import .vrscene button

 

Parameters


After a .vrscene is selected, an options window will open to select which object types will be imported from the file.

 

 

 

Import Geometry – When enabled, the geometry from the .vrscene file will be imported as Modo static meshes.

Import Lights – When enabled, the lights from the .vrscene file will be imported as Modo lights.

Import Materials – When enabled, materials and their textures from the .vrscene file will be imported.

Create OpenGL viewport preview materials – When enabled, each imported V-Ray material will have a corresponding Modo material which is sourced from the V-Ray material, which can have a more accurate OpenGL representation.

Import render settings – V-Ray render settings will be imported when enabled.

Import render camera – The render camera will be imported when enabled.

 

Geometry


FeatureImportedAdditional notes
Geometry types
Triangular meshes
YES

Polygon information is not preserved during import; all imported polygons are triangles.

Meshes are imported as Static Mesh items, and parts of the Modo code don't work correctly with static meshes. For example:

- Right clicking a mask in the Shader Tree and selecting Select polygons won't work
- When a new texture is created, its texture locator is set to Cubic, as if the geometry in the scene has no UV maps

These problems can be fixed by selecting all imported geometry, right-clicking on it and selecting Convert > Mesh.

This will also allow you to assign new materials to the geometry.

V-Ray Proxy
NO
 
V-Ray Fur
NO
 
Dynamically sub-divided meshes
NO
 
Dynamically displaced meshes
NO
 
Geometry Properties
UV channels
YES

The UV channel with index 1 from 3ds Max will be named Texture when imported.
The rest of the channels are called vrscene_map_X, where X is the channel index.
UV channels from Maya will have the same names as in Maya.

Shear transformation
NO
 
V-Ray for 3ds Max  
Object Properties
YES
Imported in a Shader item directly connected to the imported geometry item.
V-Ray Object Properties
YES
Imported in a Shader item directly connected to the imported geometry item.


Lights


 

FeatureImportedAdditional notes
Area lights
V-Ray Dome
YES
Texture not imported.
V-Ray Rectangle
YES
Texture not imported.
V-Ray Sphere
YES
Imported as a Modo point light with Make spherical light enabled in its V-Ray Light tab.
V-Ray Light Portal
YES
 
V-Ray Mesh Light
NO
 
Point lights
V-Ray Sun
YES

Sky texture not imported. You will need to manually select Physically-based Daylight
in the scene's Environment Material and select the imported sun light item in Sun Light.

Directional
PARTIAL
 
Omni - Point
PARTIAL

Decay start, near/far attenuation and projector map not supported.

This might result in incorrect light intensity.
Spot
PARTIAL
 
IES - Photometric
PARTIAL

 

 

Materials


FeatureImportedAdditional notes
3ds Max Materials
Architectural
NO
 
Blend
YES
The sub-materials must be supported materials. The mixing curve is not imported. Imported as a V-Ray Blend Material.
Composite
NO
 
Double Sided
PARTIAL
The sub-materials must be supported materials. Imported as a V-Ray 2-Sided Material.
Matte / Shadow
NO
 
Multi / Sub-Object
YES
 
Raytrace
NO
 
Shell Material
YES
The Render material must be a supported material.
Shellac
YES
Imported as a V-Ray Blend Material.
Standard
NO
 
Top / Bottom
NO
 
V-Ray for 3ds Max Materials
VRay2SidedMtl
YES
 
VRayBlendMtl
YES
Only up to 8 coat layers can be imported.
VRayBumpMtl
YES
 
VRayCarPaintMtl
YES

Use environment override option is always imported as OFF.

The Explicit UVW Channel / Mapping Channel mapping type is currently not imported correctly;
you need to manually select the proper UV map in the V-Ray Car Paint texture locator.

VRayFastSSS2
YES
 
VRayFlakesMtl
YES

Use environment override option is always imported as OFF.

The Explicit UVW Channel / Mapping Channel mapping type is currently not imported correctly;
you need to manually select the proper UV map in the V-Ray Flakes texture locator.

VRayGLSLMtl
NO
 
VRayHairMtl
NO
 
VRayLightMtl
YES

Direct illumination option not supported. Because if this, imported light materials can cause a lot of noise in the renders
if they have very high color multiplier values and small surface area.

VRayMtl
YES

Use environment override option is always imported as OFF.

Reflection/Refraction interpolation options are not exported to the .vrscene file from V-Ray for 3ds Max.

VRayMtlWrapper
NO
 
VRayOSLMtl
NO
 
VRayOverrideMtl
YES
 
VRayPointParticleMtl
YES
 
VRayScannedMtl
NO
 
VRayScatterVolume
NO
 
VRaySimbiontMtl
NO
 
VRaySkinMtl
YES
 
VRayStochasticFlakesMtl
YES

The Explicit UVW Channel / Mapping Channel mapping type is currently not imported correctly;
you need to manually select the proper UV map in the V-Ray Stochastic Flakes texture locator.

VRayVectorDisplBake
NO
 
VRayVRmatMtl
NO
 
Note about all materials that have sub-materials (V-Ray 2-Sided Material, V-Ray Blend Material, V-Ray Override Material):
The sub-materials and their textures are added in the Shader Tree, but the actual connections are made in the Schematic.
Adding the textures in the Shader Tree allows Modo to show the base material's diffuse texture in its OpenGL viewport.

 

Textures


FeatureImportedAdditional notes
3ds Max Textures
Bitmap
YES

Imported as a Modo Image Map.

The 3ds Max options Output Amount, RGB Offset and RGB Level are imported in Modo's Low/High value channels.

The Cropping/Placement parameters are not imported.

Color Correction
YES
Color corrected result might not match the result in V-Ray for 3ds Max.
Color Correct
YES
 
Composite
YES
The Composite texture is imported in a V-Ray Layered texture. Because of this, only up to 6 layers are supported.
Falloff
PARTIAL
The Mix Curve is not imported.
Gradient
YES
 
Gradient Ramp
NO
 
Mask
NO
 
Mix
YES
 
Noise
YES
The 3ds Max Noise texture will be imported in a V-Ray Noise texture in Modo.
Normal Bump
YES

The Normal and Additional Bump maps will be imported as textures with the Normal and Bump effect in Modo's Shader Tree.

Output
NO
 
RGB Multiply
NO
 
RGB Tint
YES
 
Other 3ds Max Textures/Parameters
Procedural textures
PARTIAL
Some procedural textures will be partially imported (cellular, tiles, etc.).
Color Map
NO

Many 3ds Max textures have a color map in the form of three bezier curves for the red, green and blue channels.
These are not imported.

V-Ray for 3ds Max Textures
VRayBmpFilter
PARTIAL
Imported as a Modo Image Map. The Flip and Tile options won't be imported correctly.
VRayBump2Normal
NO
 
VRayColor
YES
 
VRayColor2Bump
YES
 
VRayCompTex
NO
 
VRayCurvature
YES
 
VRayDirt
YES
Exclude and Result affect lists are not imported.
VRayDistanceTex
BASIC
The Objects list is not imported.
VRayEdgesTex
YES
Because the imported geometry is triangles only, the invisible edges in 3ds Max will still be visible in V-Ray for Modo.
VRayFakeFresnelTex
NO
 
VRayGLSLTex
NO
 
VRayHairInfoTex
NO
 
VRayHDRI
YES
Imported as a Modo Image Map.
VRayICC
NO
 
VRayLut
NO
 
VRayMap
NO
 
VRayMultiSubTex
YES

Supported modes are V-Ray Object ID, Random by Render ID, and partially Face Material ID (it will produce a different
render result in most cases, being dependent on the material groups' order in the Shader Tree).

VRayNormalMap
YES
Normal and Bump maps will be imported as textures with the Normal and Bump effect in Modo's Shader Tree.
VRayOCIO
NO
 
VRayOSLTex
NO
 
VRayParticleTex
NO
 
VRayPtex
YES

Because geometry is imported as triangles with no sub-divisions, this texture won't be applied correctly.
As a work-around, you can import the geometry separately from another format that supports quads and enable V-Ray Subdivision on it.

VRaySamplerInfoTex
NO
 
VRaySky
NO
 
VRaySoftbox
BASIC
The gradients are not imported.
VRayTriplanarTex
PARTIAL
The scale of the imported frame offset won't be correct. The reference node connection won't be imported at all.
VRayUserColor
NO
 
VRayUserScalar
NO
 

UV mapping from Maya won't be imported at all.

 

Render settings


FeatureImportedAdditional notes
V-Ray Main Tab
Image Sampler
YES
 
AA filter
PARTIAL
V-Ray for 3ds Max doesn't export the AA filter in the .vrscene file, so it can't be imported.
Color Mapping
YES

Note that you might need to manually disable the sRGB correction in the VFB,
if the imported color mapping settings have Mode set to Color mapping and gamma.

Global Options
YES
 
V-Ray GI Tab
Environment Importance Sampling
NO
Left at the current value. For scenes that don't need it, you might want to manually disable it.
Global Illumination
YES
 
Irradiance Map
YES
 
Light Cache
YES
 
Photon Map
YES
 
Caustics
YES
 
V-Ray RT/Performance Tab
RT - Shading
YES
 
RT - Performance and Memory
YES
 
RT - Stop Conditions
YES
 
Production - Raycast Acceleration
YES
 
Production - Embree
YES
 
Global Displacement Options
YES
 

 

Render Elements


Render elements are not imported.

 

Environment


Environment textures are not imported.

 

Camera


FeatureImportedAdditional notes
Position and Orientation
YES
 
Field of View
YES
 
Film Fit
NO
 
Depth of Field
NO
Note that Depth of Field settings will be properly imported, if the .vrscene uses a V-Ray Physical Camera.
Motion Blur
NO
Note that Motion Blur settings will be properly imported, if the .vrscene uses a V-Ray Physical Camera.
V-Ray Physical Camera
YES
 

 

Notes


  • During import of a .vrscene file using import .vrscene, corresponding paths to specific files such as images, IES files etc, can be different or split. When a file is not found, a window will open to search for the missing files on load. This can be helpful when loading a .vrscene file created in a different operating system, as the relative paths are different.
  • Newer releases of V-Ray will automatically remove unnecessary suffixes from imported object names (e.g. @node, @mtl, @tex). This allows users to easily link assets between .vrscene files and .obj files.