V-Ray® for Revit is a versatile visualization toolset that brings you the best of both worlds—real-time visualization and photorealistic rendering. It’s everything all in one. And all in Revit. From beginner to pro, Chaos® V-Ray has all the tools you need to visualize your Revit projects from start to finish.
Free 30 Day Trial
Try V-Ray, Phoenix, Vantage, Cosmos, Player, and Scans for free with a 30-day trial. Tech support included.
Visualizing your Revit projects in real-time has never been easier. Now with V-Ray Vision, you can see your designs in real-time while you work in Revit. Move around your model, apply materials, set up lights and cameras—all with a live real-time view of your model.
Rendering that’s as real as it gets.
See exactly how your project will look. With true-to-life lights, cameras, and materials, rendering with V-Ray is as real as it gets. It’s as close as you can come to the real thing before it’s built.
Bring your models to life.
Choose from an array of high-quality 3D assets—including detailed models of furniture, trees, cars, and people—to bring your project to life. The all-new Chaos Cosmos asset browser lets you easily place render-ready content right into your Revit model.
In fact, V-Ray and Revit are the perfect team.
Revit is the world’s most widely used BIM software for architecture and design. And V-Ray is the world’s #1 rendering software for architectural visualization. The two together are the perfect combination to take your designs and presentations to the next level.
V-Ray 5 for Revit now includes V-Ray Vision for real-time visualization. An intuitive new Light Mix tool to simplify how you light your model. A new V-Ray Frame Buffer where you can fine-tune and finish your renders. Plus over 650 3D assets you can place in exteriors and interiors.
Real-time in V-Ray for Revit is here.
Speed up your workflow.
With V-Ray Vision, you can enjoy a realistic real-time view of your model while you work. Walk around to get a better sense of your design and make better decisions.
See your design evolve instantly as you apply materials or setup lights, allowing for rapid iterations. Quickly produce pictures and even export 360 panoramas to speed up the approval process. Furthermore, whenever you are ready to present your design to your clients, easily scale your model to photoreal quality.
Enter the Chaos Cosmos.
Elevate your model to perfection.
Now, V-Ray for Revit comes with a brand new curated asset library – Chaos Cosmos, that helps you better tell your story. Easily create a real-world context for your model’s interior and exterior by adding high-quality entourage from the essential categories – furniture, accessories, lighting, vegetation, vehicles, and people.
Search and import straight from within V-Ray and spend zero time on setup – Cosmos assets have accurate physical scale, automatic levels of detail, and are ready to be rendered. Chaos Cosmos provides a consistent 3D content experience across Chaos products and renderers.
Polish renders inside V-Ray.
Explore lighting like never before. With the new Light Mix feature, you can experiment with all the light sources in your model after you have rendered. Group your lights, tweak their brightness, or change their color to find what best fits your space.
Post-process inside Revit. Our redesigned Frame Buffer comes with powerful new features that take you beyond just rendering. You don’t need a separate app for compositing or color corrections — they can be handled with V-Ray and saved as presets for future projects.
New workflows for improved efficacy.
Sketch your ideas with a click. The new global Contours setting helps you give a sketch-like look to your concepts. Apply them to the whole model automatically or use them selectively to highlight certain objects.
Streamlined Proxy Material setup. We’ve simplified the proxy material assignment process with the V-Ray Asset Editor. Assign materials in the Editor once, save them along with the mesh file and you can reuse this configuration in any project.
Add realism to Revit materials. – Now Displacement is not limited only to V-Ray materials — it’s an asset of its own that’s easy to apply to native materials.
Creative freedom with Sun & Sky. – Studying your design’s interaction with natural light has never been easier. With more control over the sky generation parameters and access to our improved sky model, your sunrises and sunsets will never look better.
More realistic materials.
Randomize textures for realism. Use the UVW Placement asset to randomize patterns and colors of V-Ray materials as they would appear in the real world.
Coat & Sheen layers. Quickly create polished surfaces of your materials with the new Coat layer. For example, utilize the new Sheen layer to create realistic fabrics such as velvet, satin, or silk.
Dirt & weathering. Add weathering effects to any surface of your model with the improved V-Ray Dirt texture.
Improved material library. Save time by downloading our render-ready Material library, containing over 500 high-resolution 4K textures, including glass, metal, wood, and many more.
With V-Ray Vision, you get real-time high-quality visual feedback of your model as you build it. Additionally, you can easily export images or 360 panoramas. Materials, cameras, and lighting set up in V-Ray Vision can easily be scaled to photorealism.
Render-ready 3D assets
Our integrated asset library, Chaos Cosmos, enables you to search and add render-ready objects to your model directly in Revit. To put it simply, with accurate scale, automatic LODs, and interoperability across 3ds Max, SketchUp, and Rhino, Chaos Cosmos assets are an essential addition to any Revit pipeline.
CPU, GPU & Hybrid rendering
V-Ray comes with two powerful rendering engines. You can choose between super-fast GPU and CPU or Hybrid rendering to best suit your project needs and requirements.
The NVIDIA AI Denoiser uses artificial intelligence to remove noise in an instant. To explain, the V-Ray Denoiser supports denoising individual render channels to simplify compositing.
Render interactively while you design. For example, fine-tune lights, materials, and cameras and see the results right away.
Rendering on the Cloud is just one click away.
Powerful and scalable distributed rendering system that’s simple and fast. By all means, get an extra speed boost with V-Ray Render nodes.
Choose from many unique beauty, utility, and matte passes to give you more control over your rendered images in compositing.
Automatically analyzes your scene to optimize rendering so you get the best quality in less time.
Set up individual lighting, mood, and composition per view in the same Revit model. Easily share render settings across teams and projects.
Leave V-Ray to render your project images while you are away. Batch rendering helps you schedule multiple views for rendering with a click of a button.
V-Ray adds extra realism to Revit’s Solar Study. With this in mind, explore and visualize the impact of natural light and shadows on your designs across a variety of timespans.
V-Ray naturally fits into Revit’s UI and complements your Revit workflow without altering your BIM database.
Create, edit, save and manage your V-Ray materials all in one place with the Asset Editor. Assign materials to a new proxy object, save it in the Editor and reuse this configuration in any project.
Take your Revit renders to the next level. With the Appearance Manager, you can set basic Revit assets to automatically switch to more realistic V-Ray assets at render time.
Track the history of your rendered images, fine-tune their color parameters, and save them directly to your Revit project. Use the new layer-based compositor to do color corrections of final renders and save your presets for future projects.
Simulate any type of natural, artificial, or image-based lighting. V-Ray automatically converts all Revit lights to V-Ray ones and further extends Revit’s lighting capabilities.
Experiment and adjust your model’s lighting after you have rendered it. Tweak the brightness and color of individual or groups of light sources to find the best rendition for your space.
This lighting algorithm dramatically speeds up rendering in scenes containing many lights. And you can render image-based lighting much faster with the new Adaptive Dome Light. It’s exceptionally quick for interiors and substantially speeds up your rendering.
Easily visualize real-world illumination values (lux) with the new Lighting Analysis render element.
Sun & Sky
Take advantage of our improved sky model to present your design in its best light when the sun is at the horizon. Alternatively, use the sky generation parameters for full creative control.
Render photorealistic rooms and interiors with powerful and fast global illumination.
Work like a photographer, with controls for exposure, white balance, depth of field, and more.
Auto Exposure and White Balance
Capture the perfect exposure every time. The new Auto Exposure and Auto White Balance camera controls make rendering as simple as point and shoot.
Add that extra touch of photorealism with real-world camera lens effects such as bloom and glare.
Experience your designs at a 1:1 scale. Create content for popular VR headsets with 6×1 cubic and spherical stereo camera types.
DOF and vignetting
Emphasize a particular part of your rendered model with advanced camera effects like DOF and vignetting.
Materials & Textures
Create great-looking materials that look exactly like the real thing.
Download over 500 4K-quality architectural materials from our library on-demand. Glass, metal, wood — any texture you need for your model is available and render-ready.
Native Materials support
Render an enhanced version of your Revit materials automatically.
Add images to paintings, signs, screens, and more. V-Ray Next for Revit adds full support for Revit Decals.
Give your model a sketch-like look. Use the global contour settings to create every outline automatically or the Contour material attribute to highlight a certain region.
Coat & Sheen materials
Use these two new layers to add distinct effects to V-Ray materials. The Coat layer creates polished surfaces while the Sheen layer is perfect for realistic fabrics such as silk or velvet.
Use the UVW Randomization asset to create realistic materials by randomizing patterns and colors. The Stochastic Tiling functionality removes texture tiling seams.
Weathering and Dirt
Easily add weathering effects to any surface of your model with the V-Ray Dirt texture with complete control over its position and amount.
The V-Ray Material adds native support for metallic reflections (Metalness) for greater compatibility with PBR materials from applications like Substance Designer.
Create realistic and unique shaders using any texture map or one of V-Ray’s many built-in procedural textures – Gradient, Temperature, Tri-Planar, etc.
Make the most out of your early designs and get a feel of your project by quickly rendering cardboard models.
Namely,1000+ scanned materials. Import and render directly in V-Ray.
Quickly add realistic atmospheric depth and haze and use true 3D fog with realistic light scattering.
Simply, simulate natural-looking skies with realistic atmospheric depth.
Realistic material light scattering and translucency.
Work smart without altering your BIM database. Use your Revit families as stand-ins for all V-Ray objects.
Use your Revit families as stand-ins for V-Ray proxy objects. These are memory-efficient models of highly detailed objects like trees and cars.
V-Ray Grass & Fur
For example, render realistic grass, carpets, or fabric.
Randomize Proxy Objects
Add variety to your scene entourage such as plants and trees by randomizing the scale and rotation of V-Ray Proxy and V-Ray Scene instances.
Link and render V-Ray scenes from other applications such as 3ds Max, Rhino, and SketchUp. In addition, share complete ready-to-render V-Ray for Revit files.
Quickly add surface detail without extra modeling. It’s perfect for architectural materials like brick and stone.
Render sections easily with full support for Revit’s native section box.
Infinite Ground Plane
Create context for your project with a click of a button.
V-Ray Scene Export
To clarify, share complete ready to render V-Ray for Revit files.
Other Pricing Options
Add Render Nodes
Need more render power? Indeed, see pricing for cost-effective V-Ray Render Nodes.
** Autodesk Revit 2018 is not supported on Windows 11
*** Windows 11 is required for running Intel Alder Lake processors.
Official Release, update 2.2
Date – May 11, 2022
Added support for Revit 2023
Asset Editor updated to version 2.3.2
V-Ray Vision updated to version 1.10.07
Chaos Cloud client updated to version 1.16.3
Chaos Cosmos Browser updated to version 2022.05.10
Swarm updated to version 188.8.131.522
Added support for Cosmos 3D models containing color randomization
Removed the Render Progress window in favor of the VFB Log tab
Migrated the Swarm progress bar to the Swarm tab of the V-Ray Settings panel
Disabled Scatter Scale randomization by default
Improved behavior of the Appearance Manager expanders
The Dome Light Intensity is automatically set to 1 when a Cosmos HDR image is used
Enabled drag & drop of Scatter assets over the Appearance Manager host slots
Revit filters are not properly applied to the rendering
Error in the log when adding Cosmos asset light to the scene
Unnecessary warning in the log for a missing Scatter plugin
Purge does not reset edited Cosmos assets and Infinite Ground Plane
Exception on render start after loading settings of another user
Crash after moving VFB while Light Gen is generating variants
Exception when switching Top coat Reflectance of Revit Layered material from Texture to Slider or vice versa
Crash after clicking on generate variants in LightGen tool
Unnecessary update when an unused V-Ray material is renamed
Linked replacements of In-place families are rendered misplaced on linked file moving
Wall-based accessories sink to the opposite side of the wall when rendered
3D models from the Architecture category fail to import
Unhandled exception when promoting a material of a deleted Cosmos 3D model
Proxy replacements of families containing nested RPCs are displayed twice
Crash on rendering start when specific Scatter hosts or guests are used
Scatter fails to distribute assets over the entire surface of the host
Scatter disappears when several renders are started consequently
Scatter Scale Multiplier doesn’t work
Scatter disappears on Spiral stairs host
Exception when scattering a Planting guest on a Curtain System host
Scatter instances are outside the bounds of a round host
Scatter is not properly rendered when applied to a ceiling
Proxy mesh material slots are not shown when loaded from a *.vrmat file
Broken preview and missing textures when promoting a Revit material containing textures
Revit Layered material promoted to the Asset Editor is broken
Crash when disabling Proxy Mesh replacement of RPC used as Scatter Guest
The displayed Scatter configuration is different than the one rendered with V-Ray
Scale is not respected when a Scatter Guest is replaced with a Proxy Mesh
Typo in Purge V-Ray Settings message dialog
Official Release, update 2.1
Date – March 17, 2022
Asset Editor updated to version 2.3.1
V-Ray Vision updated to version 1.10.05
Chaos Cosmos Browser updated to version 2022.3.11
License Server updated to version 5.5.5
Hide in View setting is respected for elements from linked files
Consider Revit’s Show/Hide in View for families not listed in the Appearance Manager
Added ability to promote multiple Cosmos asset materials at once
Added separate Light Mix channels for Sun and Dome Light
Display a single name in Light Mix if both Revit family type and name are the same
Added Free Flight option for the Fly navigation mode to not be constrained horizontally
Default shadow quality is set to Medium
Impossible to load vrmatmigrate.dll exception
Attempted to read or write protected memory exception when starting a render multiple times
Revit family replaced with a missing Cosmos asset is not rendered
Linked replacements are ignored if the main file is new and has not been saved yet
Cosmos assets are rendered in magenta if a project is opened by another user
Cosmos wall- and ceiling-based assets are rendered misplaced
Scatter does not appear on floors with modified sub-elements
Exception when rendering a Scatter with a Guest family containing nested RPC
VFB Display correction is briefly reset while preparing for rendering with V-Ray GPU
Error on render resuming after enabling or disabling DR
VRMat parser sometimes truncates floating point values when parsing .vrmat files
IES lights render incorrectly in environment fog
GPU Light Cache is slower to render with big resolutions
Rendering crashes after swapping the GPU devices
Wrong replacements of linked file materials when Merge Identical is on
Revit family changes are not reflected to the rendering on link reload
Incorrect rendering on move/undo delete of a linked file instance containing family replacements
NullReferenceException on undo delete of a Revit family used as a scatter guest
Cosmos wall-based assets disappear when moving a linked file instance
Missing Cosmos lights are not rendered after download completes
The texture associated with Extra Texture channel is incorrectly shown as missing
V-Ray button in Families tab is offset with 2 px
Scatter Density texture is not respected on rendering
Preview is not working after hibernation
Dropdown menu items occasionally offset themselves by a pixel on each mouse hover
The 2D and 3D texture preview swatches render black with the GPU engine
Removed max value limit of the Generic material Refraction Depth parameter
Some Refraction Depth values are not rounded correctly
The Appearance Manager UI does not update after using the Revit Links Bind tool
Family replacements with Cosmos assets are not transferred on import from Project Storage
In-place family replacements disappear on move with Disjoin option enabled
Global Purge does not remove Fur, Displacement and Scatter assignments
Linked files Cosmos lights disrespect the Light Mix grouping and appear in the Rest channel
Enable vsync to avoid tearing with fast camera movement
The Fly Mode camera jumps slightly in specific situations
Official Release, update 2
Date – Feb. 2, 2022
Asset Editor updated to version 2.3.0.
V-Ray Vision updated to version 1.10.04
Chaos Cloud client updated to version 1.15.3
Chaos Cosmos Browser updated to version 2022.1.31
Added ability to render and override V-Ray replacements in linked files
Added a tool for scattering objects on the surface of a selected object
Added ability to establish a live-link connection to Chaos Vantage
Added support for the latest RPC API available in Revit 2022
Added support for the native Revit Undo/Redo commands
Added ability to edit or replace the materials of a Cosmos 3D model
Added a Materials category containing over 200 assets
Added ability to import materials from the Materials category
Added ability to enable tri-planar mapping on material import
Light Cache is always calculated on the GPU when the CUDA or RTX engine is selected
Added support for the Lighting Analysis render element
Kernel compilation times are reduced by up to 60%
Added ability to apply color corrections or layer presets to a batch of images
Added ability to apply color corrections to the Background layer
Added ability to apply color corrections to all render channels when the image is saved manually
Added ability to export videos in .webm format
Added standalone .exe export
Added Grass preset
Optimized loading and performance of scenes containing large number of objects
Rendering is stopped when there is no user interaction to decrease the GPU load
Added support for IES and spot lights
Added Ambient Light Mode within the built-in Settings panel
Added Ambient Light Intensity slider
Added Soft Shadows (available when the Shadows Quality is set to High)
Added support for Revit’s Solar Study
Temporal anti-aliasing is automatically disabled during animation playback to prevent ghosting artifacts
Added temporal screen space reflections
Added support for the Coat layer of the Generic V-Ray material
Added ability to hide the Vision toolbar
Added navigation via the arrow keyboard keys
Added camera up/down control via the PageUp/PageDown keyboard keys
Reorganized the Output panel options
Updated various tooltips and parameter labels
Added automatic resizing and a scrollbar to all parameter panels
Improved auto exposure behavior
Added automatic scene reloading when High-quality Cosmos Assets is enabled
Improved panorama image export
Improved error message when Vision fails to initialize
Set the default state of the Tonemapping Curve to Disabled
Optimized deletion of large asset sets
Added thin-walled option to the Generic material Refraction parameters
Removed Hard (wax) and Hybrid Fog Scattering models
Renamed Fog Scattering to Translucency
Added SSS and Volumetric modes to the Generic material Translucency
Renamed Fog Multiplier to Depth/Scale which change based on the selected Translucency type
Color Space (sRGB or Linear) for bitmaps loaded in any of the Generic material layer slots is set automatically
Improved connection with the material preview rendering process
Added Thin Mode, Ignore Bump and Streaks Density options to the Dirt texture
Extended the Curvature texture with new parameters
Renamed Objects tab to Families
Split Families tab into 3 sub-tabs
Removed By Origin filter from the families filter options
Added a filter to distinguish edited from non-edited Cosmos assets
Replaced bottom tab Scale/Rotation spinners with numeric fields
Moved the Pick Material button to the search bar
Renamed Improved sky model to PRG Clear Sky
The V-Ray Vision icon has been updated
Improved the output of log messages on DR nodes adding
Disabled interactive actions with Proxy Scenes
V-Ray is disabled on Undo actions executed immediately after acquiring a license
Issue with linked project replacements disappearing on link reloading
Issue with the auto-save path validation
InvalidOperationException when V-Ray fails to add DR Nodes due to bad connection
InvalidObjectExceptionProxy when linking an existing project into brand new one
V-Ray Core exception in case of a missing Generic material parameter
Issue with rendering stop at 50% with custom resolution and Hybrid mode enabled
Issue with black rendering after VRayPlugins.json is migrated from old format
Error when exporting to Cloud with all render channels enabled
Issue with invalid version warning after a linked file has been updated and open in a fresh Revit session
Windows 11 issue where V-Ray fails to utilize more than 64 threads
Issue with bump maps appearing reversed when viewed in reflections
Fixed the Proxy category label in the Paths & Sharing tab
Issue with Artificial Light Overrides not being updated if Artificial Lights are reenabled
Issue with visibility of light sources when Cosmos lights are hidden
‘An item with the same key has already been added’ error
Null exception on Cosmos replacements import from an .xml file
Issue with Fur applied to a Revit family remaining on rendering if the family is replaced with a V-Ray geometry
Issue with Cosmos light sources scale disrespecting the objects scale
Exception with Light Mix and Cosmos lighting fixtures
Issue with disappearing objects when Cosmos replacements are imported from .xml
Issue with Cosmos 3D models having a single material ID color
Issue with Interactive not restarting after missing assets download is complete
Issue with interactive updates on Cosmos-mapped Revit family deleting
Issue with Selection Type not updating when picking families in the list
Issue with family replacements restoring in case of multiple selection
Issue with Use Mtl Override setting of proxies not being applied
Issue with labels overlapping of UV Placement Source and UVW Placement
Issue with purging of materials assigned to the infinite plane in View-Specific mode
Issue with Use as Replacement option not working when a material is applied to the infinite plane
Issue with interactive updates on Can be Overridden setting disable
Scrolling issue on systems with custom UI scaling after selecting an asset from a long list
Issue with deleting Bump attribute leading to child textures instantiated in other material slots being also deleted
Issue with Reflection Glossiness of Metallic materials not working when the Reflection color is not white
AccessViolationException after CUDA is out of memory
Issue with GPU Light Cache leading to a memory leak
Issue with Light Mix not working correctly with Camera Auto Exposure
Issue with black artifacts when lights are disabled in Light Mix
Issue with blocked render restart immediately after .vrscene export
Issue with rendering button not working on press
Issue with proxy meshes remaining on rendering after replacement is disabled
Issue with various replacements not being applied correctly
Issue with Flip Axis of Proxy Meshes not updating during live-link
Issue with Auto Exposure not being applied when exporting standard or VR images
Issue with sunlight artifacts when the model is viewed from specific angles
Issue with transparent (and refractive) materials and specific mesh normals
Issue with Cancel in the Save File browser window resetting the file type to .png
Issue with Camera movement while dragging UI sliders
Issue with ghosting artifacts appearing over transparent object when the camera is moved quickly
Issue with bump and normal maps appearing flipped
Issue with the entire model being flipped when zooming in an ortho camera
Issue with plugins containing non-latin character being incorrectly loaded
Issue with Proxy Scene objects being misplaced
Issue with tri-planar textures appearing darker
Issue with supported files not being listed correctly in the Save File browser window
Issue with choppy camera movement in fly navigation mode with low fly speeds
Issue with dark circles appearing on surfaces close and under the camera in specific situations
Issue with Cosmos assets being cut when away from regular scene objects
Issue with API servers list in config.json not being cleared after Revit is closed
Issue with GPU device names being cut in the GPU engine drop-down
Official Release, update 1.2
Date – Sept. 17, 2021
Argument exception in Worksharing when enabling V-Ray if users have worked with different versions
Fixed broken replacement of multiple selected Revit families
Fixed performance issue and excessive logging on Fur or Displacement assignment to multiple materials
Official Release, update 1.1
Date – August 26, 2021
Asset Editor updated to version 2.2.1
V-Ray Vision updated to version 1.00.08
Chaos Cloud client updated to version 1.13.2
Chaos Cosmos Browser updated to version 2021.08.23
Handled disabled state of Revit filters
Improved toolbar button behavior
Promoted Revit material appears automatically selected
Added filter to display only Prism materials in Materials tab
Modified alignment of Promote material button in Appearance Manager
Improved some tooltips behavior
Argument exception in Worksharing if multiple users import the same Cosmos asset
“An item with the same key has already been added” exception in Interactive
Exception when migrating VRayPlugins.json file from an older V-Ray version
UI dialogs fail after reloading linked files
Wrong materials renaming during Light Gen variants generation or vrscene export
Unreferenced plugins left after promoting an AutoGen material
Library does not display placeholder thumbnails of vrmat assets
Asset preview renderer randomly fails
Official Release, update 1
Date – July 14, 2021
V-RayⓇ 5 for Revit, update 1 gives you powerful new capabilities at the click of a button. Automatically generate hundreds of natural lighting scenarios for your model with Light Gen. Convert Revit materials to V-Ray materials for advanced realism. Send multiple views to the cloud to render while you keep modeling. And more.
Batch Rendering in Chaos Cloud
Integrated Light Gen tool
Promote AutoGen Revit Prism material to Asset Editor
Implemented Public API based on gRPC
Asset Editor updated to version 2.2.0
License Server updated to version 5.5.4
Chaos Cosmos Browser updated to version 2021.07.14
Set scene_name for Cosmos asset Node plugins in vrscene export
Utilize option_use_roughness in all Prism AutoGen materials
Textures assigned to anisotropy parameters of Revit Prism materials are not rendered
Enable Glossy Fresnel for all AutoGen materials
Changed default Bitmap Filter Type from Mip-map to Sharp Isotropic
Use linear color space for Dome light image
Extended Aerial Perspective settings
Pick material button is greyed out while material picking is in progress
Irrelevant sky parameters are greyed out based on the selected sky model
Improved display names of Cosmos assets in the replacements drop-down
Crash when closing Revit with multiple open projects
Cosmos assets disrespect Revit mirror tools when rendered
NullReferenceException raised during export of a scene including Cosmos assets
InvalidOperationException when stopping the render from VFB
Wrong positioning of V-Ray Proxy Scenes when replacing in-place family instances
Rendering is noticeably slowed down in case of specific proxy mesh references
Batch Rendering fails if V-Ray scene Export As Archive option has been enabled
Wrong replacement restored after disabling V-Ray Proxy Mesh/Scene and Cosmos asset replacements
RPCs not rendered when being replaced with Cosmos asset in a linked project
Linked project Proxy Mesh replacements are rendered instead of those defined in the main document
Linked project Global Overrides are rendered instead of those defined in the main document
Materials referred by material extensions are not listed as sub-assets in the outliner
Prism Opaque translucency and cutout render incorrectly with V-Ray
Inner edges are not visible when opacity is added to V-Ray Toon material
Crash when moving Revit family instance replaced with V-Ray Scene asset
NullReferenceException on V-Ray Global Purge
Linked projects lights are not affected by the Global Light override updates and the Artificial Lights On/Off switch
Missing updates if Revit family instances are replaced with Cosmos asset after rendering start
RPCs disappear when replaced with Proxy Mesh and a global proxy override is applied
Appearance Manager does not update when a material is renamed in the Asset Editor after Interactive is stopped
Unable to select Revit family replacement in Appearance Manager Objects tab after disabling V-Ray Proxy Mesh/Scene and Cosmos asset replacements
Wrong button state after disabling Cosmos asset replacement in Appearance Manager
Objects replacement drop-down menu blinks when restoring a V-Ray Proxy Mesh/Scene assignment
Incorrect Selection Type indicated on replacement with V-Ray Proxy Mesh asset without mesh file specified
VFB window is duplicated when showing it with the toolbar button before rendering
Appearance Manager does not refresh when renaming a family type in Revit Project Browser
Typo in Host app version screen
V-Ray installs for all supported Revit versions no matter which one is present
Official Release, hotfix 4
Date – May 25, 2021
Asset Editor updated to version 2.1.3
V-Ray Vision updated to version 1.00.06
Chaos Cloud Client updated to version 1.12.0
Chaos Cosmos Browser updated to version 2021.04.22
V-Ray Swarm updated to version 1.4.6
Decreased material library size to ensure faster downloads
Decreased browser window width
Crash after renaming and updating a V-Ray material used to override multiple Revit materials
Cosmos asset materials are lost when imported into a linked document in several cases
VASSERT message shown by the installer when V-Ray Materials Library Download Path registry key is missing on the system
Issue with material library download message appearing incorrectly
Issue with materials duplicating when using square bracket symbols on renaming
Incorrect results when Refraction Glossiness of Generic material is set below 0.78
Incorrect results when UVW Placement source is combined with Normal displacement mode
Official Release, hotfix 3
Date – April 22, 2021
Support for Revit 2022
Added Post-effects Update parameter to Settings Renderer tab
Asset Editor updated to version 2.1.2
Chaos Cloud Client updated to version 1.11.0
Chaos Cosmos Browser updated to version 2021.04.12
SevenZipSharp library replaced with System.IO.Compression.ZipFile
Improved automatic conversion of Revit PrismMetal material
Added support for Cosmos lights switching in Revit Artificial Lights dialog
Added Intel Open Image Denoise to Denoiser engines
Stereo mode is ignored when exporting to Chaos Cloud
Cut Cosmos assets names in Objects tab and adjusted alignment
Removed the automatic selection of render channels when Denoiser is enabled
Improved the Denoiser/Lighting Analysis Update button style and behavior
Removed Denoiser Use GPU parameter from the UI
Null exception when exporting a vrscene containing Cosmos lights
Issue with RPCs not rendering after a silent installation of Revit 2020
InvalidOperationException when disabling V-Ray while Interactive is running
Scale, Rotation and Randomize of assets are not saved to project storage
Exception on attempt to render linked file assets which IDs duplicate with those of the host project
Family geometries replaced with Cosmos assets remain visible on rendering when in linked file
Missing updates when deleting a global texture from Displacement
Rendering does not update correctly on material renaming
Global Override is not properly applied on Revit family replacement with Cosmos asset
Issue with migration of layered materials from V-Ray 3.x
Warnings during migration of Texture material from V-Ray 3.x
Broken global material overrides migration from V-Ray 3.x in case a specific environment variable is present
Displacement is not applied after project reopen
Denoiser presets appear incorrectly in VFB
Drop-down UI of Appearance Manager filter does not refresh on filter reset
Wrong Selection Type when only unmapped Revit families are selected in the Objects tab of the Appearance Manager
Official Release, hotfix 2
Date – April 9, 2021
TypeInitializationException on V-Ray enabling due to failed loading of System.Runtime.CompilerServices.dll assembly
An error is shown and V-Ray cannot be enabled if Cosmos asset version number in the imported Revit Family is missing or invalid
UI is blocked when many Cosmos assets have been added to the project and some of them are missing and must be downloaded.
Missing Cosmos assets indicator in toolbar is visible after all assets have been downloaded
Improved Worksharing (multiple users can work in the Asset Editor)
Make Chaos Cloud client app installation mandatory and add check for version downgrade before triggering installation
Changed the default value of GPU Resize Textures parameter in VRayPlugins.json to 0
Added drag-n-drop of assets from Asset Editor to Appearance Manager
Added config.json option for material library download path
Added config.json option for disabling material library updates check
Added Stamp layer
Added Shortcuts editor to VFB Settings panel
Modified changelog format and added link to it in the Windows Start menu
Added ability to lock Background to use the image assigned to the Dome Light
Improved automatic exposure handling
Added screen space reflections for transparent materials
Added temporal image anti-aliasing
Added support for V-Ray Material’s Clip opacity mode
Added support for V-Ray Tri-Planar textures in One Texture mode
Added support for Stochastic texture tiling of the UVW Placement map
Removed Super Sampling option from the Image Export panel
Added Frame Delay option to the Image Export panel
Added High Quality Cosmos Assets option to Vision Settings panel
Added Shadows Quality preset to Vision Settings panel
Added support for V-Ray Sun Size parameter
Failed to get RenderingAssetManager exception on project initialization
Wrong transfer of materials during Worksharing
Null exception when assigning a proxy mesh to a furniture family
Mapping is lost after a proxy mesh is deleted and another one is renamed to match it
Blend, Bump and Toon Override do not handle correctly slotted materials starting with underscore
Temperature texture’s Kelvin slider has incorrect min. value
Adding Translucency attribute to a material breaks Raytrace Properties settings on GPU
Warnings received while starting Interactive rendering with Swarm
Grey out Fur/Displacement indicator when the geometry is disabled in Asset Editor
VFB Settings panel fails to show
Show VFB button does nothing after Vision was stopped
Attempted to read or write protected memory exception while applying camera updates during Live Link
Issues with Multi Material assignments
Responsivity issue when picking an output image file location twice in a row
There is a known issue that is caused by Revit application when using V-Ray for Revit and reproducible only in Revit 2021. When opening a project that has never been saved with V-Ray for Revit, or when starting a project from scratch, enabling V-Ray and then opening another project with an existing V-Ray storage (i.e. V-Ray settings) leads to the following error message:
There are two workarounds to counter the problem.
Workaround 1: Save the first project with V-Ray and then open the other one.
Workaround 2: Change the order of opening the projects and open the one that has V-Ray settings first.
Date – Dec. 3, 2020
Asset Editor updated to version 2.0.1
License Server updated to version 5.5.1
Chaos Cloud client app updated to version 1.7.8
Implemented V-Ray Vision real-time viewer
New V-Ray Frame Buffer (VFB2) with layer compositor
Integrated Light Mix channel
New toon workflow via global & per material Contour settings
New and improved Quality presets
Optimized transactions handling in Extensible Storage
Exposed Sky settings
New V-Ray 5 Improved sky model
New Displacement workflow
New Proxy Mesh & Proxy Scene workflow
Added GPU asset preview mode
Changed how the visibility of Asset Editor windows is determined
Redesigned to accommodate the new workflows
Added search bar ability to filter materials by Revit identity Class
Added search bar ability to filter family items by Category
Added support for Site and Specialty Equipment categories
Displayed Revit families hierarchically
Disabled material assignments are persisted on project reopen
Added navigation history for randomized objects’ seed
Camera Auto checkboxes are unselected and disabled during Interactive
Added Coat layer to Generic material properties
Added Sheen layer to Generic material properties
Added built-in Bump layer to Generic material properties
Removed Glossy Fresnel from the UI. It is enabled by default for all materials
Removed Normal opacity mode
Removed PBR material as well as PBR layer from the Add Layer menu
Exposed Metalness and Roughness options as part of Generic material properties
Removed Highlight Glossiness parameter from Generic material properties
Added blue highlight to UI rollouts indicating whether corresponding parameters contribute to the look of the material
Deprecated Displacement material attribute (will be removed in the future)
Added UVW Placement texture for UV randomization and stochastic texture tiling
Added randomization options to multi-sub texture
Added external Mapping Source to texture placement Type
Added Streaks to Dirt texture
Added support for .tx file format as part of Bitmap textures
Added random colors for the slots of the Multi-Sub texture
Added support for 2D Displacement
Added support for Cellular textures
NullReferenceException when rendering a family
Exceptions in projects referring to invalid file paths when acquiring a license
Switching Current View hangs in case of inaccessible network path to textures
Grpc.Core exception when opening existing projects one after another
Issue with invalid floating point numbers
Issue with vrscene export using temp paths for .ies files
Revit hangs when opening Settings panel in Interactive
Issue with global purge not affecting mapping
Unnecessary update when opening Appearance Manager
Scrollbar disappears from Renderer tab on sub-sections expanding
Various textures exported to .vrscene don’t render in Lavina or Standalone
Lighting Analysis horizontal and vertical grid spacing are swapped
Material changes are not respected when restoring the assignment in Appearance Manager
Objects list does not refresh on family category change
Material Transforms Rotation box & spinner accept values but 1
Proxy scale spinners are causing min scale to be larger than max scale
Hide Decals causes the global bump to partially disappear in Interactive
Wrong positioning of proxies when replacing in-place families
Fixed an issue with marble textures
Materials using UVW Placement instance for several textures produce incorrect results when duplicated
Swapped slots in TexFresnel UI
Redundant command in the Geometry assets context menu
Inverted Roughness/Glossiness value when disabling a texture plugged in the same slot
Simple Mix textures fail to load when opening a previously saved .vrmat
The UVWGenRandomizer mode values are incorrectly set
There are 13 videos in this series. You can either watch them one by one or use the menu on the upper left of the video player to choose your topic. Subjects include: Getting Started, V-Ray Swarm, Interior Lighting, Exterior Lighting, Materials and more.
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