--- title: "3.30" canonical: "https://documentation.chaos.com/space/VMAYA/111739084/3.30" format: markdown --- **Date** – February 26, 2016   ## **New Features** --- ### V-Ray - New adaptive sampling algorithm for better detection and clean-up of noise in the image - Added option for automatic subdivs calculations for materials and lights - Better GI distribution (more robust handling of reflective GI caustics) for interior scenes - Better sub-pixel filtering for the progressive sampler - Dynamic noise threshold for the progressive sampler for more even noise distribution - Internal spectral color space switched from CIE RGB to sRGB - General speed improvements - Ability to use the GPU for production rendering - Support for Ornatrix beta - Implemented raytraced rounded corners that work also at intersections of different meshes - New Multi Matte ID render element - Material select render element works with volume shaders assigned to shading groups - Write the VFB stamp information in the OpenEXR metadata - Support the standard Scene Assembly options in the Render Settings - Batch Render supports -iip (ignore image planes) flag - Support for animation (bezier) curves as remap texture nodes; ### VRayRT GPU - Support for Projection node - Support for VRay User Scalar/Color - Support for bitmap aperture to the physical camera - Support for VRaySwitchMtl - Initial support for GLSL texture shaders - Support for hair and particles from VRayProxy objects - Speed up loading of resized textures to the GPU ### VFB - Ability to load color corrections from VFB history - Ability to export the color corrections settings as single LUT (.cube) file ### VRayScene - New Maya node that allows import of an entire .vrscene file as one object with a viewport preview ### VRaySun / VRaySky - New sky model (Hosek et al) - Added ground color parameter ### VRayAerialPerspective - New aerial perspective atmospheric effect ### VRayFalloff - New texture that creates a falloff gradient based on the viewing direction, fresnel effect, etc. ### VRayTriplanar - New texture for triplanar mapping ### VRayStochasticFlakesMtl - New stochastic flakes material for car-paint like materials ### VRayClipper - Ability to clip against arbitrary meshes ### VRayProxy - Added a GPU preview mode for faster viewport performance and less memory consumption ### VRayVolumeGrid - Added a viewport preview of the grid content - Added ability to customize the import of the native vdb/f3d channels - Implement support for nameless VDB channels - Added support for importing VDB caches from FumeFX 4 - Added options for probabilistic volume sampling ### SynColor - Enabled support for sRGB and gamma correction profiles ### VRayGLSLMtl / VRayGLSLTex - Added support for Hair, Cook-Torrance, GGX and subsurface BRDFs - GLSL shaders are now compiled to binary code through LLVM for increased render speed ### Texture Baking - The Ptex texture baking now works with V-Ray proxy objects - Ability to bake objects as a particle cloud to a .vrmesh file ### File node - Implemented support for signed integer TIFF images ### Instancer - Ability to override the visibility, object id, frame, user float/color of the instanced objects using per particle attributes ### samplerInfo node - Added new output that returns random color per instance ### XGen - Added support for displacement, subdivision and VRayUserColor - Added support for frame animation of archive - Added the ability to cache XGen collections to .vrscene and general export performance improvements ### Miscellaneous - Support for the new Look Development shading nodes and simplexNoise in Maya 2016 Ext1 - Added the lens effects filter generator tool in the installation ## **Modified Features** --- ### V-Ray - Optimized UI and new default Render Settings options - Faster rendering of particle system with sphere/point rendering mode - Ability to handle more than 1000 UDIM tiles per UDIM texture - Improved multi-threaded performance for UDIM textures - Better management of many tiled OpenEXR and TIFF files - Faster activation of the mouse tracking with the progressive sampler and RT - Updated the OpenSubdiv library to version 3.0 with faster subdivision performance - VRayLightMesh now supports OpenSubdiv subdivision - Object select render element can work with more than one object ID - Support for per instance unshared UV sets - VRAY_TERMINATE_ON_SEQUENCE_END environment variable that terminates the process after a sequence is finished rendering - Support the viewport wireframe color object override for V-Ray lights - Made it easier to call V-Ray MEL commands from Python - Added UI options for creating empty sets for all V-Ray object properties in the Create/V-Ray menu and in the V-Ray shelf buttons - Support for intensity curves with the Maya standard lights ### V-Ray RT GPU - Improved AMD GPUs support - Optimized bitmap memory management - Improved light cache with support for motion blurred hairs - Optimized the "Compiling geometry..." phase on scenes with many nodes - Optimized material rendering - Print warning for unsupported textures ### V-Ray RT GPU CUDA - Prevent kernel recompilations while RT is running ### VFB - Added new options to the vfbControl command to fully control the VFB window form MEL - Use Maya's native open/save dialogs in the VFB - Added tooltip with the image comment to the images in the VFB history - Adding/removing render elements will not delete the contents of the frame buffer ### VRayMesh - Support for more then two motion blur samples with Alembic files - Faster point cloud rendering - Ignore the subdivision attributes of Alembic files when making a Maya mesh ### VRayFur - Added a global "scale" parameter that affects the length, the thickness, the gravity and the density of the fur ### VRayDisplacement / Subdivision - The "Static geometry" attribute was renamed to "Geometry generation" ### Render Settings - The translator default path now doesn't expand the layout - Added an option to globally turn on/off subdivision surfaces, hair, proxies, particles and plugin geometry ### VRayIESLight - Support for IES files with the latest format LM-63-2002 ### VRayMtl / VRayBumpMtl - Added new "local space bump map" mode ### VRayMtl - The refraction now terminates rays based on the "Max transparency levels" option (it was hard-coded limit previously) ### VRayRectLight - Added a disk shape option for the rectangle light ### VRayTexOCIO - Apply the OCIO correction to its output color attribute ### ply2vrmesh - Introduced -mergeShaders switch to merge shaders from different files with equal names   ## **Bug Fixes** --- ### V-Ray - Rendering .vrscene files over 4 GB with DR was not working correctly - Fixed infinite "Render interrupted" messages when rendering with IPR and no render machines are available - Fixed difference in rendering with motion blur, geometry samples > 2 in DR - The VRAY_TERMINATE_ON_FRAME_END environment variable now terminates the application properly with exit code 0 - Improve the precision of mapping for 3D textures - Fixed rare crash when computing mip-map levels for non-square textures - Missing error when parting vrscene with missing include file - OpenSubdiv was not working with color sets - OpenSubdiv was crashing when subdividing faces with holes;Fixed random OpenSubdiv results with non-manifold geometry - Crash with OpenEXR files using custom data windowFixed UI issues with V-Ray windows on high resolution monitors - Support for the "Local" attribute of the place3dTexture - Fixed crash with NURBS when rendering with changing FormU/V - Fixed texturing with NURBS - The ramp texture didn't export proper .vrscene with mixed number/texture positions - Running vrend always printed "Error Cannot get the object for the current render layer", even if there is no error - Maya's particle "Tail Fade" parameter is not respected when rendering - Fixed the "Multi Matte" RE when used with blend material, the two sided material or renderable curves material - The Material ID of the base material was ignored when used in VRayMtlWrapper and VRayMtlRenderStats - Fixed the -crop option of the stand-alone - Fixed incorrect deep images when EXR Compression is None - Fixed "Affect Swatches" to not apply gamma when SynColor is on in Maya 2016 - Fixed an issue with the Bifrost export when using network install - Opening a scene with material select render element was crashing sometimes - Fixed slow rendering with mb embree hair on Linux - Fixed incorrect undo/redo with the "Color Mode" of the V-Ray lights ### V-Ray RT - The SSS prepass was rendered after the frame is done destroying the image, if the object-based illumination map is used - The stereoscopic camera was rendered wrong - The "Post Render Frame MEL" was not called, which caused issues with other plugins that are expecting it - Fixed slow refreshing with large resolutions ### V-Ray RT Viewport - Disable writing the output image - Disable the gamma correction if running in Viewport 2.0 and the gamma correction there is turned on - Fixed registering as a viewport renderer in Maya when the OpenGL core profile is used ### V-Ray RT GPU - VRayFlakesMtl was rendered black in some cases - "Cast shadows" was not working - UDIM textures were not transferred for DR when using the GPU - Fixed wrong results with textured VRayLights - Texture baking could produce incorrect results after a regular render - Removed artifacts caused by overlapping faces on VRayProxy objects with motion blur - MultiMatte render element was not working when rendering with motion blur - Displaced geometry was not included in the light cache - Incorrect render result on machines with more than one GPU when Maya Gamma correct node is used - The decay rates of the point light was not supported - Fixed different results compared to CPU with refraction colours larger than 1.0 - Fixed darkening in corners when using the light cache with "retrace" option - VRayFur didn't render with textures in the material - Portal lights blocked shadows from other lights - Scenes with very large light cache were rendered slow - Subdivision and displacement normals were flipped with negative scaling - Unsupported procedural textures were not baked into bitmaps ### V-Ray RT GPU CUDA - Optimized memory allocation when loading scenes with many textures ### VFB - Fixed crash if you save a comment with more than 1024 symbols in the VFB history - Fixed crash with huge font sizes for the frame stamp - The history was not properly refreshed after autosave from IPR ### Render Settings - Fixed issues with the order of the render element list - Light cache didn't add automatically extension to the cache file ### VRayMtl - Fixed wrong reflection filter render element with GGX BRDF - Black Diffuse color broke the Affect Channels for Refractions ### VRayFastSSS2 - Splotches with GI when SSS2 is layered with a reflective BRDF ### VRayFlakesMtl - Fixed crash in some cases ### VRayHairMtl - Fixed slow rendering with Transmission Glossiness Length and Width set to 1 ### VRayLightMtl - The "Direct illumination" option didn't work with mapped "Light multiplier" ### VRayMeshMaterial - Fixed various issues with the shader list update ### VRayGLSLMtl / VRayGLSLTex - VRayUserColor with UV set names didn't work - Fixed crash when a compile error message size exceeds 512 - GLSL had access only to the first texture map ### VRayDistanceTex - Fixed artifacs with particular geometry ### VRayOSLTex - Export a proper uvw generator instead of the default one ### VRaySoftBox - Wrong rendering when using more then 3 colors in the gradient ### VRayDisplacement - Displacement was not applied to the entire object when it has multiple shaders assigned - Fixed crash with VRay Edges used as displacement and "Show Subtriangles" option is ON ### VRayLightMesh - Node was not rendered without an assigned material - Node was not working with VRayVertexColor ### VRayMesh - Added velocity multiplier parameter for alembic proxies - Fixed a crash when exporting a scene with a lot of objects - Selecting both the transform and shape node of an object and exporting to proxy was making a duplicate of all the faces within the proxy file - Shape nodes were not correctly numbered when importing multiple proxies - Fixed slow OpenSubdiv subdivision with many voxels - The proxy import window didn't detect sequences with the token - Fixed crash with displacement on proxy that does not have smooth vertex normals - Fixed crash with motion blur and VRayVertexColor texture used as a texture for a mesh light based on a proxy - Fixed double illumination on SSS material covered by a transparent material when both are applied on the same proxy object - Fixed crash with alembic hair when colors are missing and the UVs doesn't match the number of vertices - Fixed crash with alembic file if it fails to load normally - Fixed slow change of the scene time for static meshes with "Geometry to load" set to "Maya mesh" ### VRayToon - The texture for the line width was clamped to 1.0 internally causing different results compared to V-Ray 3.0 ### VRayVolumeGrid - the normals render element didn't work with the trunc sampler or probabilistic sampling - Incorrect rendering of Maya fluids and VRayVolumeGrid with big step size - Fixed incorrect position changes with animated .vdb caches - Fixed rendering of speed channel from .f3d/.vdb caches - Fixed artifacts with grid-based self-illumination with DR - Field3D caches over 4GB were not loaded ### Texture Baking - Artifacts with baking of large scale scenes - Loading the default VRay settings in Maya does not reset the baking engine - Ptex baking surfaces with bump maps produced shading artifacts - The baking engine controls were not updated when a preset is loaded ### XGen - Fixed issue when rendering in batch mode XGen collections inside a namespace - Fixed render canceling when there is XGen collection in the scene ### ply2vrmesh - Fixed the velocity channel with json bgeo files - Fixed missing error message when a bgeo file fails to load - Fixed issues when reading some obj files ### vrimg2exr - Fixed broken files when converting with data window to 16-bit ### OSX - Fixed issues with the installer when setting environment variables - The vrayRenderer.xml file is installed on wrong location under OSX - Fixed the GUI installer mode on OS X 10.11 - Artifacts from the bucket brackets in VFB on Retina displays ### Miscellaneous - The "Enable Overrides" Maya attribute from "Drawing Overrides" was ignored - Surface luminance node was causing wrong lighting render elements - The viewport color attribute of some V-Ray nodes didn't work in Viewport 2.0 - If Maya is loaded from arbitrary location, clicking the folder icon (browse dialog) of the AE for V-Ray nodes, didn't work - Fixed the V-Ray shelf creation issue on some systems caused by XGen - Fixed various small issues with the Light Lister - Fixed crash with Yeti and velocity render element - Fixed rendering issue with Yeti and primary visibility turned off - The image plane was rendered even if it is not part of the current render layer