vray production

1. www.chaosgroup.com
BUILD 2.40.01
Features and
Improvements

2. www.chaosgroup.com
Image courtesy of MOTYW
Build 2.40.01 official (2 February 2013)
New features:
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VRayHairFarmMod: Added support for rendering
HairFarm 2.0 with V-Ray;
VRayProxy: Support for Alembic .abc files;
V-Ray RT: Support for instancing;
V-Ray RT: Support for Forest Pro instancing;
V-Ray RT CPU: Faster update when adjusting VRayLights;
V-Ray RT GPU: CUDA speed optimizations and
optimizations for GK110 cards;
V-Ray RT GPU: Support for the ColorCorrection texture;
V-Ray RT GPU: Support for the Mix texture;
Modified features:
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V-Ray: Added include/exclude object lists for different
color channels to the MultiMatte render element;
V-Ray: Added option to the VRayExtraTex render
element to avoid auto-renaming the element when the
texture is changed;
V-Ray: Default memory limit for dynamic geometry
changed to 4000 MB for x64 versions;
V-Ray: Fixed issue that was slowing down multi-core
rendering for VRayProxy objects;
V-Ray: Optimized multi-core rendering for OpenEXR
textures;
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V-Ray: Optimized unnecessary velocity calculations when
no velocity channel is needed;
V-Ray: V-Ray components now register in the respective
menus across different language 3ds Max builds;
V-Ray RT CPU: Added support for VRayHairMtl;
V-Ray RT CPU: Added support for VRayFur;
V-Ray scene converter: Added mr_Sun/mr_Sky lights in
export to VRaySun/VRaySky respectively;
V-Ray scene exporter: Added subdivided geometry export;
VRayEdgesTex: Improved the round corners algorithm;
VRayAmbientLight: Made some of the parameters animated;
VRayFur: Added “Level Of Detail” option to reduce geometry
along the distance from the camera;
VRayHDRI: Added “Color space” section and moved the
“Gamma” option there;
VRayIESLight: Added an option to override the IES shape;
VRayIESLight: Made selecting both the light and it’s target
when clicking on the line between them;
VRayLight: Added a preview of the “directionality” parameter
of VRayLights in the viewports;
VRayLight: Added “targeted” option for rectangle VRayLights;
VRayLight/VRayIESLight: Added textured lighting in Nitrous
viewport, for Dome light enabled by an environment variable
VRAY_DOME_VIEWPORT=1;
VRayMeshGeom: The sample plugin was extended to create
V-Ray Standalone shaders on the fly;

3. www.chaosgroup.com
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VRayMtl: Made “Fog color” mappable;
VRayMtl: Made reflections to affect the alpha of matte
objects;
VRayMtlGLSL: Added ability to save and load compiled
shaders;
VRayMtlGLSL: Added cubemap texture support;
VRayMtlGLSL: Added viewport color parameter;
VRayMtlGLSL: Added vr_brdf_light builtin BRDF support;
VRayProxy: Support for flipping of Z/Y axis;
VRayProxy: Support for visibility lists for .vrmesh
and .abc files;
VRaySphereFade: Added support for box and
cylinder gizmos;
ply2vrmesh: Added option to specify the name of the
velocity attribute (-velocityAttrName);
ply2vrmesh: Added support for .hclassic and .bhclassic
files produced by Houdini 12;
ply2vrmesh: Added support for color sets from
.bgeo files;
ply2vrmesh: Added support for exporting the face and
vertex normals in .geo and .bgeo files;
ply2vrmesh: Added ability to store the V-Ray user
attributes when creating a proxy;
Bug fixes:
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Hair&Fur: Fixed crash when lit by VRayLightMtl with
Direct Illumination on;
Hair&Fur: Fixed incorrect result with VRayHairInfoTex
texture in “Position along strand” mode;
Hair&Fur: Fixed random swap of custom materials
between different Hair&Fur modifiers when reloading
a scene;
Hair&Fur: Fixed memory leak after rendering a frame
since V-Ray 2.3;
imapviewer: Fixed crash when incrementally loading
irradiance maps;
V-Ray: Enabled by default all channels in the MultiMatte
render element;
V-Ray: Fixed crash when pressing the “Remove” button
in the VRayLightSelect element with empty lights list;
V-Ray: Fixed export of objects with ‘:’ in the names,
failing to compose file name;
V-Ray: Fixed incorrect normals for ParticleFlow systems
with ShapeInstance where the instanced object has
explicit normals;
V-Ray: Fixed issue causing random crashes
when updating material swatches with VRayCarPaintMtl
material or bitmap textures;
V-Ray: Fixed issue causing white edges on matte
objects lit with 3ds Max lights with area shadows;
V-Ray: Fixed issue with V-Ray object properties not
applied when changing more than one at a time;
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V-Ray: Fixed misspelled “caustics_autoSave” maxscript
property;
V-Ray: Fixed some warnings that appeared incorrectly due to
3ds Max 2013 Unicode support;
V-Ray: Fixed standard lights’ “Atmosphere shadows” option
of doesn’t work properly with area VRayShadows;
V-Ray: Fixed UI issue with MultiMatte render element RGB
channel names;
V-Ray: Fixed V-Ray materials’ to appear in the respective
categories in the material editor;
V-Ray RT: Fixed Maxscript access for .warn_unsupported
property;
V-Ray RT: Fixed VRayBlendMtl as coat of another
VRayBlendMtl to render properly;
V-Ray RT: Mirroring instance of VrayIES light using Offset
spinner while running RT sent the light to wrong coordinates;
V-Ray RT: GI multipliers by object which are greater than 1.0
were not working in RT;
Image courtesy of Chaos Group
V-Ray RT CPU: Fixed artifacts in layered materials;
V-Ray RT GPU: Fixed calculations precision on CUDA and
OpenCL rendering causing artifacts;
V-Ray RT GPU: Fixed crash with 8-bit texture mode and light
textures;
V-Ray RT GPU: Fixed OpenCL issue with wrong transparent
shadows with motion blur;
V-Ray RT GPU: Fixed OpenCL issue with motion blurred
dome lights;
V-Ray RT GPU: Scaled IES lights produced different result
from the production renderer;
V-Ray scene exporter: Fixed photometric lights conversion to
IES lights;
V-Ray scene exporter: Fixed Render Elements manager
retrieval when selected ActiveShade rendering;
VFB: Fixed issue with multithreaded ICC profiles loading, that
could cause either miscalculations or crash;
VRayCarPaint/VRayFlakesMtl: Fixed issue with the flakes
layer not respecting the global reflection depth limit;
VRayDisplacementMod: Fixed crash when “Edge length”
option is set to 0,0;
VRayDisplacementMod: Fixed incorrect displacement result
on mirrored geometry when using Noise modifier and
motion blur;
VRayDistanceTex: Fixed to work as bump map;
VRayFlakesMtl: Fixed wrong buckets when rendering
with DMC sampler;
VRayGLSLMtl: GLSL materials were receiving no GI
when evaluating shaders executed in light loop mode;
VRayHairMtl: Fixed random crash in case when applied to
normal geometry;
VRayHairMtl: Optimized material sampling;
VRayIESLight: Fixed an issue preventing the light to be
selected in the viewport with no IES profile assigned;
VRayIESLight: Fixed “Autogrid” option in creation mode;

4. www.chaosgroup.com
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VRayIESLight: Fixed crash when setting ies profile
through MaxScript;
VRayLensEffects: Fixed issue with remaining render
elements in the VFB when the effect is deleted;
VRayLight: 3ds Max crash with dome light;
VRayLight: Fixed incorrect tab order of UI controls;
VRayLight: Fixed issue causing the UI to disappear when
switching the light type in 3ds Max 2013;
VRayLight: Fixed issue causing the UI to malfunction
when toggling “enable HW lighting” during creation;
VRayLight/VRayIESLight: Fixed issue with
enabling/disabling Nitrous viewport lighting;
VRayLight/VRayPhysicalCamera: Fixed issue with
instanced targeted Vray cameras and lights causing
flickering of “target distance” parameter;
VRayLightMtl: Fixed issue when in X-Ref’d scene with
direct illumination mode on;
VRayMtl: Fixed “Affect shadows” option to work with
enabled caustics;
VRayEnvironmentFog: The “fog height” parameter could
not take negative values;
Image courtesy of Neoscape
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VRayOrnatrixMod: Fixed issue concerning hairs
collections with varying number of guide points per
strand;
VRayPhysicalCamera: Fixed the “Horizontal offset” and
“vertical offset” options showing different result in the
viewport and the render;
VRayPhysicalCamera: Fixed issue with animated zoom
and motion blur;
VRayPlane: Fixed rendering with VRayBPTracer;
VRayStereoscopic: Fixed shade map improperly
generated file names;
VRayBlendMtl: Displacement in the base material
was not rendered;
VRayFastSSS2: Fixed artifacts when rendering
point-cached motion-blurred geometry with
displacement;
ply2vrmesh: Fixed crash during RealFlow
.bin files conversion;
Image courtesy
ply2vrmesh: Fixed crash when convertingof Chaos Group
.obj file containing face definitions with negative indexes;