3.20.01

Official release

Date – May 25, 2015

Download – Build 3.20.01

New Features

V-Ray

  • The DR servers list is re-read whenever the vray_dr.cfg file is modified during rendering

  • Added button to open the V-Ray messages log window

  • Added camera object properties to control the number of transformation samples for camera motion blur

  • Added support for 3ds Max 2016, including the new Physical Camera and Physical Camera Exposure Control

  • MaxScript parameter to control the DMC random seed

  • The V-Ray object properties allow to specify a given map channel as velocity channel (useful with some Alembic importers)

  • Provided tooltip descriptions for most of the renderer settings

V-Ray RT GPU

  • Support for VRayEnvironmentFog;

  • Added support for Composite map rendering

  • Added support for displacement

  • Added support for VRayMtl anisotropy

  • Added UDIM tag support

  • Implemented QMC sampling for CUDA engine

  • Initial support for texture baking

  • Support for spherical panorama cameras

VRayVolumeGrid

  • Added support for rendering of fluid simulation data (Phoenix FD, Field3D and OpenVDB)

VRayProxy

  • Added better methods for generating viewport preview meshes based on mesh simplification

  • Added Show whole mesh viewport display option

  • Support for exporting the VRayInstancer as a .vrmesh file preserving the instancing

VRayStereoscopic

  • Support for stereo spherical/cylindrical panorama cameras

VFB

  • Added ability to load the render settings for an image from the history window

  • Can be zoomed in/out with the regular +/-/* keys (useful for remote access from mobile devices)

VRayCurvature

  • A new texture similar to VRayDirt (useful for detecting mesh curvature)

VRayFur

  • Faster rendering (can now be accelerated by Embree)

VRayInstancer

  • Added ability to override node and V-Ray object properties of the source objects

  • Added parameters to control the random seed, render percentage

  • Added an experimental option for multithreaded instance generation (only for the V-Ray portion of the code)

VRayLight

  • Added a line that shows the orientation of the dome lights in the viewport, it also shows the center of VRayHDRI wrapping

VRayOSLMtl

  • Added support for vray_subsurface() closure

  • Added support for vray_hair() closure

  • Support for drop-down controls


VRayHDRI

  • Added support for loading PNG grayscale with alpha images

Hair & Fur

  • Faster rendering; can now be accelerated by Embree

Texture Baking

  • Additional bake elements for render to texture: VRayMtlReflectIORBake and VRayReflectionFilterMap

V-Ray Scene Converter

  • Added initial implementation of conversion of Corona materials and lights

ply2vrmesh

  • Support for conversion of particles from .geo and .bgeo files

vrayspawner.exe

  • assign separate DR nodes to different processor groups

Modified Features

V-Ray

  • Reduced light cache leaks through a new parameter "Leak prevention"

  • New default settings for the light cache

  • The GI subdivs multiplier in the V-Ray object properties has been renamed to "Subdivs multiplier" and affects all shading samples for the particular object

  • The render mask can work with transparent and not Visible to Camera objects along the ray paths

  • The render mask on selected objects is intersected by VRayLights

  • Setting the Global subdivs multiplier to 0.0 does not affect the irradiance map and other reflection/refraction interpolation maps

  • Added UI view switcher to the Global DMC sampler rollout

  • Changed the default motion blur duration value to 0.5

  • Improved handling of meshes and proxies that are invisible to the camera

  • Speed up of the "transforming vertices" phase in scenes with many objects

  • Simplified the "default" view of the light cache rollout

V-Ray RT GPU

  • Added support for Falloff texmap in VRayVRmatMtl

  • Cleaner glossy reflections from area lights

  • Implemented Light Cache support for motion blurred hairs

  • Implemented more robust common tasks execution, leading to about 10% render speed gain

  • Optimized system CPU memory usage for bitmap textures

VFB

  • Added VRAY_BLENDED_GUI environment variable that, when set to 0, allows to run the VFB in a separate thread like before, otherwise it runs in the 3ds Max main thread by default

  • Better contrast function that preserves the black and white points

  • The render region coordinates are stored normalized to the image size

  • The vfbControl MaxScript function supports loading of color correction files

  • The vfbControl MaxScript function does not cause the VFB to show anymore

  • The "Edit comment" window appears under the mouse cursor when shown

  • The "Close" button in the "Edit comment" window is changed to "Save and close"

V-Ray Toolbar

  • Changed the default alignment to floating for 3ds Max 2016 and later due to issues with default docking

V-Ray Quick Settings

  • Light cache's Pre-filter is no more affected

VRayCarPaint

  • Added max reflection depth control

VRayExposureControl

  • Added MaxScript access to the "active" and "processBG" options

VRayFastSSS2

  • Changed trace reflections to enabled by default

VRayHDRI

  • Allow negative values for the U/V Crop/Place parameters in VRayHDRI

  • Added option to generates IFL lists with full file paths rather than relative

  • Faster rendering of tiled textures when the tiled memory limit is reached

  • Improved elliptical filtering

VRayLight

  • Simplify the interface options layout

VRayProxy

  • Instancing for Alembic meshes is enabled by default

VRayScatterVolumeMtl

  • Improved calculations

V-Ray Light Lister

  • Made the light names fields wider and the list is sorted by the lights names

VRayToon

  • Added support for layers in the include/exclude list

.vrmesh exporter

  • Added support for VRayInstancer when "Export each mesh to separate file" option is selected

.vrscene exporter

  • The render state of objects is exported

Installer

  • Adding exceptions for applications and ports to the firewall

Lens analyzer

  • Added ability to generate texture for physical camera distortion map

ply2vrmesh

  • Preserve UV set names for .geo/.bgeo files


Bug Fixes

V-Ray

  • Creating VRayFur either from the V-Ray Toolbar or the menus, was not attaching it to the source object's transformation

  • Fixed a crash when loading Alembic files containing particles with invalid positions

  • Fixed a crash when rendering a scripted material that extends a 3ds Max native material

  • Fixed a crash when rendering primitives with no faces with Embree

  • Fixed crash when rendering absolutely straight, motion blurred hairs with Embre

  • Fixed hang if cancelling the render during irradiance map calculation phase when DR

  • Fixed a random crash at the end of a render if "Get resolution from MAX" option is unchecked

  • Fixed artifacts when rendering hairs with Embree

  • Fixed some of the quad menu items registering more than once

  • Fixed issue where toggling the "Default Lights" option also changed VFB resolution preset

  • Fixed unhandled exception when doing distributed rendering an animation with any of the irradiance map incremental modes

  • Standard 3ds Max materials were not rendering with VRayOverrideMtl

  • Writing output with the "Separate render channels" can be interrupted

V-Ray / V-Ray RT CPU

  • Removed occurring bright pixels with progressive sampling

VRay RT

  • 3ds Max UI was freezing during and for some time after render to texture with large resolutions

  • Added support for animated UVW coordinates

  • Animation frames were duplicated

  • Changing map channels during Active Shade was not re-exported

  • Divide shading subdivs was not exported

  • Fixed crash due to leaking animated mesh light meshes

  • Fixed crash when VRayLight has Bercon Noise or Bercon Wood texture

  • Fixed incorrectly exported displacement plugin when it is animated

  • Fixed incorrectly exported material names starting with digits

  • Fixed random hang during "Waiting for renderer..." stage when rendering as production renderer

  • Fixed some of the messages in the console appearing on the same line

  • Fixed VFB occasionally freezing during rendering

  • Mesh light was missing if "Replace mesh with light" was off

  • Render server may crash on exit if there is a physical camera in the scene

  • Refraction environment map was used when Reflection/Refraction environment are disabled

  • Removed unnecessary displaced mesh re-exports

  • Rendering stops after VRayMtl Displace weight is changed

  • Texmap animation was not exported when the texmap was attached to VRayDisplacementMod or Output map

  • The 3ds Max render windows have data from the wrong render element when VRayMtlSelect is used in production rendering

  • The DMC sampler frame data was not updated properly along animation, interfering with Lock noise pattern

  • The Generate caustics option in VRayWrapperMtl was not exported

  • The Lock noise pattern option was not exported properly

  • The SSS2 render element was not exported

  • The VFB always pops up when rendering with as production renderer, even if switched off

  • VRayLight with Composite map was rendered black when base layer transparency was 0.0

  • VRayLightMtl was always emitting on back side

  • VRayProxy was rendering with frames offset in ping-pong playback mode

  • Wrong Alpha channel when rendering as production renderer and native 3ds Max frame buffer is used

V-Ray RT CPU

  • The VRayEdgesTex Hidden edges option was ignored

V-Ray RT GPU

  • Added support for procedural textures attached to VRayLights

  • Camera vignetting is applied on directly visible VRayLights in the Alpha channel

  • Fixed crash when restarting the rendering session

  • Fixed crash with VRayFastSSS2

  • Fixed rendering of VRayFastSSS2 in the VRayLightSelect render element

  • Fixed wrong refraction rendering with VRayVRmatMtl

  • Fixed wrong shading with mapped reflection glossiness

  • Instanced dome lights with different transformations render wrong

  • Optimized displaced geometry memory usage and skipped unnecessary re-exporting

  • Rect lights were producing incorrect shadow when lit by another rect light

  • VRayLight direct light was clamped with Max ray intensity value

  • VRayLights did not appear in VRaySelfIllumination render element

VFB

  • Curve color correction control is not updated when loading from file

  • Fixed messed image when switching from large image to a smaller one during comparison

  • No color corrections are applied in saved render output file

  • Some color correction parameters' values were not resetting

  • The RGB color is still restored from the lens effects source, even if the lens effects mode is "Render elements only"

VRayPhysicalCamera

  • Fixed wrong physical camera distortion when distortion map is used

  • Camera tilt parameters are not properly updated in the viewport for hidden cameras

VRayMtl

  • Fixed wrong shadows with opacity of VRayMtl in VRay2sidedMtl in VRayBlendMtl

  • Fixed GTR/GGX wrong results when GTR tail falloff is different from 2.0

  • Fixed GTR/GGX invalid results with glossiness value of 1.0

  • The "Affect channels" option for refraction doesn't work when dispersion is enabled

V-Ray Quick Settings

  • Fixed issue preventing the loading of custom presets

VRay2SidedMtl

  • Fixed rendering black with "multiply by front diffuse" in certain situations

VRayClipper

  • Fixed a crash with multiple clippers one of which has material ID enabled when rendering with V-Ray RT

VRayDirt

  • Fixed result affected by the geometry inside the shaded object when invert normal is enabled

VRayFastSSS2

  • Fixed a crash when rendering with Object-based illumination map

VRayHairMtl

  • Wrong shading results when blended with VRayBlendMt

VRayHDRI

  • Interpolation and filtering options are not working if "Clear cache on render end" is enabled

VRayIES

  • Fixed a crash on VRayIES color temperature change with disabled viewport shading

VRayInstancer

  • Cancelling a render during "Updating instances" causes a crash at the end of the render

VRayLensEffects

  • Glare mask was not working when using DR through network rendering jobs

VRayMetaball

  • Animated parameters of the VRayMetaball object do not update the preview in the viewport

  • Changing Particle inputs for VRayMetaballs via MaxScript doesn't refresh in UI automatically

VRayOrnatrixMod

  • Fixed a crash when using Bitmap texture with .ifl sequence for Thickness map in Render settings

  • Ox Render Settings were not applied to the exact group specified in the modified

VRayOSLMtl / VRayOSLTex

  • Fixed the tab order for shader parameters controls

VRayProxy

  • Slow import of proxy meshes with the weld option on

VRayVRMatMtl

  • Fixed bug when exporting textures that have no tiling disabling and mapping type set to Explicit map channel

Hair & Fur

  • Fixed wrong color of VRayHairInfoTex in VRayMtl on motion blurred hairs

  • Fixed occasionally wrong shading results (-1.#IND)

.vrscene exporter

  • Rendering exported animation scenes should append frame numbers to the output images

ply2vrmesh

  • Fixed conversion of PRT files with many particles