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12.5.8 - 2017-11-16

  • Fixed linear interpolation of subdivision mesh attributes in NSI.

12.5.7 - 2017-10-17

12.5.6 - 2017-10-15

  • Improved behavior of color override in outline rendering.

12.5.5 - 2017-10-12

  • Fixed a bug which could cause extremely poor performance for some scenes.

12.5.4 - 2017-09-20

  • Fixed multilight deepexr output.

12.5.3 - 2017-09-15

  • Added 3Delight for Maya 2018 plug-in.

12.5.2 - 2017-09-14

  • 3Delight for Katana:
    • The plug-in is not compatible with this version of 3Delight anymore and will only be offered in the 13.0.x packages from now on. 

12.5.1 - 2017-07-21

12.5.0 - 2017-07-14

  • 3Delight for Katana
    • The mesh light was split into a Mesh Light and an Incandescence Light.
    • The incandescence light now works on network materials which have a connection to the incandescence parameter.
    • Cylinder area light shape is now better positioned compared to other shapes (#6656).
  • NSI: attribute nodes can now be connected to set nodes. Attributes will affect all objects in the set.

12.0.169 - 2017-07-07

  • Improved threading performance on windows platforms. One can expect gains of up to 10% on a 16 core dual socket machine.
  • NSI: Fixed a performance bug with scenes containing massive amounts of instances (speed gains can reach x50).
  • 3Delight for Katana:
    • "Spherical" project in the environment lights has been renamed to "Spherical (latlong)" to give a clue about its meaning.

12.0.168 - 2017-07-06

  • 3Delight for Katana:
    • Added VMPs for light filters.
    • Fixed float and color ramp widget (#6607).
    • Area lights are not normalized by default (this changes existing scene lighting)

12.0.167 - 2017-06-30

  • 3Delight for Katana:
    • Added a default material to geometry. When no material is defined, an easy to spot material will be shown.
    • A tidier NSI graph state for materials (3dfk:05077d61cb6) and for live updates (3dfk:549ab2541). This doesn't affect the image but does affect memory usage minimally.
    • Correctly handle the "{attr:xxx}" syntax of shader parameters.

12.0.166 - 2016-06-23

  • 3Delight for Katana
    • Add a layered menu for shading node creation. Presse the 's' key for shader selection. Textures are automatically connected to a place2dTexture or a place3dTexture node.  
    • The mesh light now supports groups as well as single primitives. 
    • Added a mode for the mesh light where it controls the incandescence of the original mesh instead of creating a light from it. This works if the material has proper incandescence shader parameters.
    • Fixed decay filter behaviour when the light is scaled. The distances in the filter now correspond to actual scene distances.
    • Add Live Render Filters to assembly and components.
    • Better handling of scene graph errors. Errors are now reported in the render log.
    • Revised the DlYeti node Location parameter. It is now called Name and specify the scene graph location of the yeti scene object.
    • Added mini state badges to DlYeti node.
  • 3Delight: Radiance HDR images are supported directly (without the need to run tdlmake on them) although this step is still recommended.
  • 3Delight Display: fixed inverted statistics in Statistics tab.
  • NSI: some global host variables (licensing, network cache) can now be initialized through the "3delight.configinitialization file.

12.0.165 - 2017-06-17

  • 3Delight for Katana
    • Implemented "Live Render from Viewer Camera" (#6630)
    • Changed default curve for decay filter and fixed catmull-rom and bspline curves.
    • Fixed default visibility of environment lights. Existing lights will need to be recreated or made visible with VisibilityAssign.
    • Fixed orientation of environmentLight and 3DelightSky shaders.
  • Fixed a bug with CSG in secondary rays (#6624).
  • NSI: Added support for deep output. Deep output is also support on AOVs and in multi-light renders.

12.0.164 - 2017-06-16

  • 3Delight for Katana
    • The gobo light filter now follows manipulators used on its location by default. It can still optionally be made to track the light source instead.
    • DlYeti attributes are now editable during live render.
    • The VisibilityAssign node is now supported (#6537).
    • Both 3Delight Display and the Monitor are used as the default frame buffer (#6561).
  • NSI: support live render changes to displacement (#6568)
  • NSI: fix particles orientation. Disk particles were oriented the opposite way.

12.0.163 - 2017-06-14

  • 3Delight for Katana
    • Added Yeti procedural hair support via DlYeti node.
    • Print 3Delight version when starting Katana (#6604)
    • Added multiplie area light shapes support (disk, sphere, cylinder).
    • Improve distant light attributes. Scope CEL was improved to include only distant lights. So the attribute no longer shows up in the attributes tab for other light types. The Angular Diameter has now a help text.
  • NSI: Improved particles int two aspects: a) oriented particle disks are now supported and b) particles emitting light are now sampled with same quality as any other light.

12.0.162 - 2017-06-07

  • 3Delight for Katana
    • Fixed rendering of materials baked into a look file.
    • Material overrides on groups or geometry are now supported.
    • Fixed python errors on plug-in load for some systems.

12.0.161 - 2017-06-07

  • 3Delight for Katana
    • Added decay light filter.
    • Added aim constraint option to spot and area light.
    • Fixed barn doors on spot light.
    • Fixed rendering of assemblies and components.

3Delight for Katana has issues in this build and we do not recommend to install it. Version 12.0.162 will fix the problem.


12.0.160 - 2017-06-02

  • NSI:
    • Add support for "named coordinate systems. Any transform node can now be used as a coordinate system.
    • fix a crash bug with live edits of environment nodes.
  • 3Delight for Katana:
    • Introducing a mechanism to declare light filters. First available filter is the Gobo filter.

12.0.159 - 2017-05-31

  • 3Delight for Katana:
    • Fixed a bug which caused the plug-in to not load when not first in KATANA_RESOURCES.
    • Rendering without a DlSettings node now works (uses default render settings).
    • Maximum Distance behaviour change: 0 means no indirect bounces (does not disable maximum distance feature as before).
    • Maximum distance setting is now set to 1000 by default
    • Use asset widget (assetIdInput) for input file parameters in OSL shaders.
  • 3Delight Display: fixed a key repeat problem on OS X 10.10.x

12.0.158 - 2017-05-26

  • 3Delight for Katana: Overrides, except resolution, can now be changed in Live render.
  • 3Delight Display: fixed export of EXR files (some resolutions produced bad EXRs).

12.0.157 - 2017-05-19

  • 3Delight for Katana:
    • The region of interest may now be changed during a live render.
    • The frame outside the region of interest is now rendered as well in preview and live renders. It is simply rendered after the region of interest.

12.0.156 - 2017-05-17

  • NSI: Up to 40% faster render of cubic curve geometry.
  • NSI: added support for Hair ray types visibility (visibility.hair attribute on an attributes node).
  • NSI: improved general performance of live scene edits
  • 3Delight Display: fixed refresh problems of buckets' outlines.
  • 3Delight for Katana:
    • Light edit UI now show upstream values.
    • Use proper data format when saving images to file (was always using half floats).
    • Added Maximum Ray Trace Distance parameters in DlSettings' Quality group.

12.0.155 - 2017-05-04

  • NSI: optimisation brings a 2% to 7% speed boost, depending on scene complexity.
  • 3Delight for Katana:
    • Better performance for OSL shaders and texture lookups.
    • Fix vertical scroll bar behaviour in the Multi-Light section.
    • The render progress bar is now functional.
    • Allow adding a rig during live render.

12.0.154 - 2017-05-01

  • NSI: Fixed a crash in motion blur (#6589).
  • NSI: subdivision surfaces render about 10% faster.
  • NSI: smoother live render experience.
  • NSI: Added some missing statistics.
  • NSI: fix shading problems due to absent ray normalisation.
  • NSI: fixed a crash in editable renders when statistics were enable.
  • NSI: adding a "matte" attribute that can be set on attributes nodes.
  • 3Delight for Katana:
    • Fix rendering to Monitor.
    • Fixed a bug which caused some scenes to render several times too
    • Various UI adjustments in DlSettings.
    • Subdivision surfaces are now exported without normals for a much smoother look.
    • Enable "Duplicate" button in the Layers section.

12.0.153 - 2017-04-25

  • 3Delight For Katana:
    • Adding the "matte" attribute to DlObjectSettings to make the underlying object "matte"
    • Fixed layer ordering bug (#6462)

12.0.152 - 2017-04-21

  • OSL: surfaceara() on NSI's environment node now returns the real area on the sphere, which is the solid angle in this case.
  • Fixed numerical stability issues with tiny angles.
  • NSI: added space partition statistics.
  • 3Delight for Katana:
    • Add "Display all Lights" toggle in the Multi-Light section (#6443)

12.0.151 - 2017-04-12

  • Improved compatibility with older linux distributions.

12.0.150 - 2017-04-12

  • Fixed NSI camera location. They were incorrectly offset by the near clipping plane (#6560)
  • NSI/OSL: fix a bug that allowed rays to travel past their max depth limit.
  • Live render produces smoother renders at te 1st and 2nd corse layers.

12.0.149 - 2017-04-11

  • Fixed shader getattribute() on NSI face sets.
  • NSI: fix a bug with faceset nodes (#6576) 
  • NSI: Better sampling of directional lights.
  • NSI: The C++ interface now supports NSI::DoubleArg as a parameter to NSI functions. 

12.0.148 - 2017-04-09

  • OSL: we now support the holdout() closure
  • NSI: better texture filtering at gazing angles
  • 3Delight for Katana:
    • Added distant light.

12.0.147 - 2017-04-04

  • NSI: Add support for directonal lights as defined by NSI's specs.
  • NSI: fixing crashes related to Live Render and displacement shaders (#6558)

12.0.146 - 2017-03-31

12.0.145 - 2017-03-31

  • NSI: added support for multiple environments in one scene. 
  • NSI: basic support for distant lights. Sampling is not optimal. 
  • NSI: adding "angle" attribute to environment nodes.
  • NSI: better derivatives computation for displaced surfaces.
  • 3Delight for Katana:
    • Use circular bucket scanning for live renders.
    • Allows switching between subdivisions and polygonal meshes in live renders.
    • Removed location widget from DlSettings SuperTool.
    • Implemented Mute and Solo features.
    • Fixed initial light linking condition bug.

12.0.144 - 2017-03-30

  • NSI: renaming "glossy" rays to "specular" rays. This is the case both in OSL and in NSI.
  • NSI: better derivatives on fine displacement.
  • 3Delight for Katana:
    • Implemented subdivision mesh export.

12.0.143 - 2017-03-29

  • Fixed a crash when OSL environment shader is invalid.
  • NSI: introducing smooth subdivision surfaces
  • NSI: fixed a memory leak
  • NSI: Adding face sets. A new NSI node allowing to set attributes on arbitrary geometry faces. Attribute can be anything from visibility to surface or displacement shaders.
  • NSI: better displacement.
  • NSI: Fix a bug with instances. The bug was slowing down startup time and leaked memory.
  • 3Delight for Katana:
    • Honour number of threads set in RenderSetttings.
    • Added "Visible to Camera" toggle on light SuperTools.
    • Skip some shaders when listing materials.
    • Filter shaders by their type in Material lists.
    • Renamed "Glossy" to "Specular" ray depths. We will be sticking with this nomenclature in NSI and OSL.
    • Revised light super tools material assignment: they now use the same mechanics as normal material assignments and go by the Katana way.
    • Added support for Matrix shader parameters.

12.0.142 -  2017-03-21

  • NSI: improved render initialization performance.
  • NSI: added support for inter-object visibility. This is a generalization of such features as Light Linking.
  • NSIimproved live render performance snapy-ness.
  • NSI: robustness fix in Python binding: SetAttribute can now receive 0x0 data for string parameters (will be considered as empty).
  • Fixed a potential crash bug in 3Delight statistics. Also fixed a memory leak in the same area.
  • 3Delight for Katana:
    • Output primitive variables attached to XGen curves (When using DlXGen SuperTool).

12.0.141 - 2017-03-16 

  • NSI: added support for environment nodes, as per the specification. As with everything else, environment nods live edits as supported.
  • NSI: added a configurable trapezoid filter for motion sampling.
  • 3Delight for Katana:
    • Hide area light meshes from camera by default.
    • Added support for light linking.
    • Fix camera XForm live update.

12.0.140 - 2017-03-05

  • NSI: added particles node support. As per the specifications, this node allow rendering of tiny particles.
  • NSI: added support for all visibility attributes.
  • NSI: improved documentation formatting.

12.0.139 - 2017-03-03

  • Changed naming of channels in exr layer which is geometric data (point, vector or normal) to more compatible R, G and B instead of the more descriptive x, y and z.
  • NSI: curves can now support deformation blur.
  • NSI: curves can be specified as a b-spline, in addition to the already supported catmull-rom basis.
  • NSI: update particles node documentation.

12.0.138 - 2017-02-28

12.0.137 - 2017-02-23

  • NSI: slight improvement in memory consumption for geometric primitives.
  • NSI: full support for OSL displacement shaders. Note that displacement shaders are run in object space.
  • NSI: update nsi.pdf manual.
  • NSI: NSIDisconnect() now accepts a ".all" first parameter for mass connections deletion.
  • NSI: transformation edits (live render) are now supported on objects.
  • NSI: add a ".global" node for global scene configurations/settings (refer to manual).
  • NSI: enable memory statistic in NSI renders.
  • NSI: fixed a memory leak.
  • NSI: updating Lua interface to accept geometry attributes.
  • NSI: fixed a bug in NSIDeleteAttribute().
  • renderdl can now execute Lua scene descriptions directly using the '-lua' command line argument.
  • 3Delight for Katana:
    • Handle material assignments live updates
    • Export ID pass for Katana monitor
    • Re-worked the DlSettings dialog

12.0.136 - 2017-02-10

  • NSI: embryonic support for OSL displacement shaders.
  • 3Delight for Katana:
    • Enable live update of light material
    • Enable live material updates
    • Export rigs as NSI sets for grouping of lights (Multi-Light feature ported to NSI)

12.0.135 - 2017-02-09

  • Due to some changes in our build system to support C++11, a more recent version of glibc and libstdc++ are now required to run 3Delight.
  • NSI: fixed a problem which cause some textures not to load at all.
  • NSI: fixed issues with back facing geometry. This also fixes OSL's calculatenormal() shadeop in NSI's context. 
  • NSI: added a "sortkey" attribute to the output layer node to enable layer sorting in an output driver.
  • NSI: changed camera handedness to better conform to most VFX packages.  The camera now looks towards -Z (right handed).
  • Can send normal channels exr and deepexr in the same file.
  • 3Delight is now 5 to 10% faster on linux.
  • 3Delight for Katana:
    • Camera now move in live render
    • Removed Image Resolution and Camera in DlSettings (redundant)
    • Introducing DlObjectSettings

12.0.134 - 2017-01-30

  • Fixed a bug which could sometimes cause renders to take extremely long to finish.

12.0.133 - 2017-01-25

  • Fixed a bug which could cause uneven displacement quality over a primitive when it is very large on screen.
  • Added support for single channel exr files to tdlmake.
  • NSI: added support for light sets.

12.0.132 - 2017-01-12

  • Fixed a potential crash introduced in 12.0.131.

12.0.131 - 2017-01-11

  • i-display: fixed navigation key problem on OSX 10.12.
  • Fixed light sampling issue with some motion blur settings.

12.0.130 - 2017-01-10

  • Fixed artifacts in some environment lookups with trace().
  • Added "apertureaspectratio" parameter to RiHider().

12.0.129 - 2017-01-08

  • Fixed some speckles with subsurface.

12.0.128 - 2017-01-04

  • Fixed raytraced subsurface intensity with large pixel samples setting.
  • Fixed possible raytraced subsurface artifacts with thin objects and large pixel samples setting.

12.0.127 - 2016-12-27

  • i-display: first step for a better ETA. Replaced "Estimated Render Time" by "Estimated Remaining Time".

12.0.126 - 2016-12-21

  • i-display: fixed a crash for Mac with improvement of speed navigation frame.

12.0.125 - 2016-12-17

  • i-display: improvement of speed navigation frame with shorcuts left and right for Mac.
  • i-display: fixed a crash which occurs with info dialog opens when render many layers with Maya.
  • i-display: added new item "Render started" in Summary tab.

12.0.124 - 2016-12-07

  • i-display: fixed a crash which occurs after images have been deleted.
  • NSI : Camera is now configured using the attributes from the "perspectivecamera" node.
  • i-display: Load/save "Enable interactive adjustments of lights in the scene" in preferences.
  • i-display: Clicking on texture name in scroll list of scene tab info opens texture image.
  • 3Delight for Katana: add support for IDs which allow selecting objects from the Monitor. Note that for now only 3Delight materials support IDs. 

12.0.123 - 2016-11-25

  • Fixed a bug with single sided OSL lights which don't have quadratic decay.
  • 3Delight for Katana: fixed EXR file output.
  • Improved scalability and performance of the OSL path tracer. Gains are especially visible on Windows where a 15% performance improvement is possible (scene dependent).

12.0.122 - 2016-11-23

  • 3Delight for Katana is now included in the packages.

12.0.121 - 2016-11-18

  • OSL path tracer has been improved in speed and threading scalability. Scenes will render 10% to 30% faster. Scenes relying heavily on textures will improve the most.
  • NSI: introducing a C++ wrapper (include "nsi.hpp").

12.0.120 - 2016-11-14

(internal build)

12.0.119 - 2016-11-14

(internal build)

12.0.118 - 2016-11-13

  • New light sampler performance has been slightly improved (5%). 
  • i-displaySave as JPEG sometimes produced bad images when exporting many files; this has been fixed.  Improved behaviour of "Actual Size" button: it is now lit differently when the image is already displayed in its original size. Improved display of timing statistics. 

12.0.117 - 2016-11-06

  • Fixed a crash in the new OSL light sampler with some shaders.
  • i-display: performance of the contact sheet mode have been improved and the effect is now smoother.

12.0.116 - 2016-11-02

  • New light sampler for OSL. This new technology allows rendering of vast amount of area lights. See Geo Light Sampling Algorithms Comparison for a comparison with existing technology.
  • Fixed a bug which would cause some trim curves to hang.
  • Fixed accuracy of smoothstep().
  • Fixed wrong statistics in ray counts when using the OSL path tracer.

12.0.115 - 2016-09-28

  • Improved performance and quality of texture lookups in OSL. We timed the filtering code to be x3 to x4 times faster. The system now offers three different filters: linear, quadratic and cubic.
  • Implemented mirror wrap mode in OSL texture() call.
  • Implemented "missingcolor" in OSL texture() call.
  • NSI: primitive variables and their derivatives are now correctly transformed.
  • NSI: fix shading of instances. The shading space was incorrect.
  • i-display: fix banding issues in the thumbnail. 
  • NSI: completed implementation of NSISetAttributeAtTime.

12.0.114 - 2016-09-12

  • NSI: added support for holes in polygons.
  • NSI: optimized general scene parsing operations.
  • NSI: fixed an IPR crash bug.
  • NSI: added basic support for primitive variables in NSI.
  • NSI: reduced global memory usage. Large scene can take up to 30% less memory.
  • NSI: lua scripts can now receive double precision values.
  • Upgraded OSL library version.
  • Made texture statistics more readable.

12.0.113 - 2016-08-26

  • NSI: fixed matrix orientation, it now matches OSL matrix orientation.

12.0.112 - 2016-08-24

  • Fixed a precision problem when reading 32-bit float OpenEXR files
  • Fixed a crash in i-display occurring during image loading while using the Contact Sheet (#6368)
  • NSI: minor corrections to the documentation
  • OSL: implemented debug() closure

12.0.111 - 2016-08-11

  • i-display : better handling of color space conversions. PNG and JPEG images are now considered to be in sRGB space when loaded.
  • i-display: don't change thumbnail selection when playing (#6110)
  • NSI: started implementation and tests of scene edit operations

12.0.110 - 2016-08-08

  • NSI: starting documentation of nodes related to image output
  • NSI: make some standard libraries available in a LUA context
  • NSI: Implemented NSIDisctonnect (nsi.Disconnect in LUA)
  • Minor optimisations to the ray-tracer when using motion blurred light sources. Performance gains are measurable only on relatively trivial scenes.
  • Fixed naming problem in EXR files.
  • i-display: fix color space of the drag & drop cursor when dragging an image from the thumbnail (#5769)
  • i-display: draw a graphical hint when dragging many images at the same time from the thumbnail
  • i-display: properly scroll thumbnail when selecting images (#5348)
  • i-display: apply reference white and black  points to the background plate (#5347)

12.0.109 - 2016-07-26

  • Fixed a crash with the OSL renderer on windows 10.

12.0.108 - 2016-07-19

  • OSL: improve motion blur sampling in the OSL renderer

12.0.107 - 2016-07-11

  • OSL: Updated OSL libraries to the following head: d3abea49b89872bc1358714a
  • i-display: added graphical representation (docked view) of statistics inside the rendering window. Statistics are saved along with the file and can be viewed when the file is reloaded into i-display.
  • NSI: enable area light sampling for area lights declared using NSIMeshNode
  • OSL: invert normal and eta when shading back-facing surfaces. This simplifies shader writing  and avoids using un-desirable faceforward() in  OSL shaders
  • OSL: Adding "curve:t" to known OSL attributes (#6328).  Returns a quantity varying from 0 at the base of the curve to 1 at the tip. This is the equivalent of the "v" parametric coordinate in the RenderMan World.

12.0.106 - 2016-07-06

  • i-displayDisable Save As ... while rendering an image
  • i-display: Don't crash saving empty JPEG images

Due to a potential crash, do not use this version if you use the OSL renderer.


12.0.105 - 2016-07-01

  • i-display: fixed performance issues when rendering in Contact Sheet mode. The animation of the Contact Sheet is now smooth.
  • i-display: fixed a crash occurring when rapidly manipulating the thumbnail view with the mouse.

12.0.104 - 2016-06-29

  • i-display: disable color space transformations when viewing JPEG images. 
  • Fixed incorrect raytraced subsurface with multicamera render.
  • Fixed matte support in deep exr output.

12.0.103 - 2016-06-28

  • i-display: Only list "displays" OCIO profiles in the View → Color Profile menu.  
  • Changed behavior of edge color override so an object without the override in front of one which has it can have priority.

12.0.102 - 2016-06-23

12.0.101 - 2016-06-18

  • Fixed a bug with vertex displacement on subdivision meshes (#6320).

12.0.100 - 2016-06-14

12.0.99 - 2016-06-09

  • Fixed deep exr compression with filters which contain negative lobes (eg. sinc).
  • Fixed output of alpha channel to exr when a display subset is used.
  • Improved DeepEXR compression algorithm. Opaque areas can now contain only one sample instead of a minimum of 2 or 3 previously. This considerably reduces the file size without affecting quality.

12.0.98 - 2016-06-03

  • Introducing a new deep EXR compression algorithm that runs up to x20 times faster.

12.0.97 - 2016-06-01
12.0.96 - 2016-05-29

12.0.95 - 2016-05-26 

  • A different MIS sampling strategy for the GTR brdf helps fight noise artefacts with low "gamma" values (long highlight tails).

12.0.94 - 2016-05-25

  • OSL: fixed support inside 3Delight for Maya. Previously, only environment was rendered properly when using Multi-light (#6287).
  • Fixed rendering of very thin curves in some scenes.

12.0.93 - 2016-05-19

  • Fixed a crash in i-display that happened when opening very large textures with mipmaps inside (#6279). 

12.0.92 - 2016-05-13

  • Fixed deep output when using OpenVDB volumes.

12.0.91 - 2016-05-10

  • Added support for __edgethresholdscale. This shader specified variable scales the threshold used to perform edge detection.  

12.0.90 - 2016-05-08

  • Fixed a crash with very large shaders compiled with -O0.
  • Fixed attribute() sometimes not working when reading point, vector or normal attributes.

12.0.89 - 2016-05-05

  • i-display: Avoided using TIFF as the default file type when saving rendered images. Complete image name is used instead.

The <rif.h> file has changed in this in this version meaning that Rif Plugins need to be recompiled.


12.0.88 - 2016-04-28

  • Fixed artifacts with edge detection depth based fadeout.
  • Implemented facevaryinginterpolateboundary subdiv tag value of 2 to make facevarying variables behave like facevertex.

12.0.87 - Removed because of crash

12.0.86 - 2016-04-25

12.0.85 - 2016-04-19

  • OSL: Completed support for multi-light rendering.
  • i-display: improved playback speed. Sequences now playback at 60fps without "glitches".

12.0.84 - 2016-04-13

  • OSL: Implemented partial support for light categories.

12.0.83 - 2016-04-05

  • Improved performance of some cases of volume rendering.

12.0.82 - 2016-04-04

  • Improved rendering of multiple volumes.

12.0.81 - 2016-04-01

  • Fixed unstable displacement with instances.

12.0.80 - 2016-04-01

  • Fixed output to deepexr with multiple cameras.

12.0.79 - 2016-03-31

  • Fixed Z output with motion blurred camera.

12.0.78 - 2016-03-28

  • OSL: Fixed incorrect indirect illumination. Namely, indirect illumination originating from environment lighting was not properly computed. Renders would appear darker than normal when using environment lighting. 

12.0.77 - 2016-03-25

  • Fixed a crash.
  • Fix a problem that caused renders to wait a couple seconds before finishing when statistics where enabled. This issue has been introduced in package 12.0.75.

12.0.76 - 2016-03-23

  • OSL : improved sampling of subsurface closures so it matches the noise level of other closures.
  • OSL : implemented clipping planes.

12.0.75 - 2016-03-22

  • Fixed a bug which caused some renders to take a very long time to finish.

12.0.74 - 2016-03-18

  • Fixed a memory leak in the OSL renderer.
  • Better memory management on Windows systems when using large amounts of subdivision surfaces. A 5% memory improvement has been observed on test scenes.

12.0.73 - 2016-03-17

  • Improved crack-removal strategy for displaced surfaces.

12.0.72 - 2016-03-17

  • Fixed RiAttribute "displacement" "level" functionality when using the REYES renderer.

12.0.71 - 2016-03-16

  • Fixed a precision problem with vertex displacement.

12.0.70 - 2016-03-16

  • Fixed a precision problem with instances.

12.0.69 - 2016-03-14

  • OSL: fixed subsurface scattering bug (subsurface effect had wrong intensity).
  • Fixed displacement quality issues when rendering instances (#6199).

12.0.68 - 2016-03-09

  • Fixed some interior shaders not being rendered (#6198).
  • Fixed occasional hang of deep exr output (#6200).

12.0.67 - 2016-03-07

  • Fixed a problem in i-display that caused renders to abort as soon as they start (#6197). 

12.0.66 - 2016-03-03

Due to a bug in i-display, renders would abort after launch. Do not use this version. Previous available and stable version is 12.0.64. Version 12.0.67 fixes the problem.

  • OSL: 20% performance improvement on production scene with medium quality settings (shading samples of 200 to 300). For high quality settings (300 to 1000), one can expect 40% performance gain. 
  • OSL: pre-pass performance scales better with Shading Samples setting. When using relatively low settings (about 50 shading samples) can make the pre-pass go x4 faster.

12.0.65 - 2016-02-26

  • OSL shaders are now found using the search paths.

12.0.64 - 2016-02-25

  • Speed improvements to the GGX BRDF.  We timed up to 3% acceleration on scenes that use this BRDF heavily (e. g. OSL 3Delight Material).
  • i-display: zoom in and zoom out transitions are now smooth. Added short cut "Ctrl +" and "Ctrl -" to the zoom action in the menu.
  • Fixed a bug where setting the matte attribute on one instance would affect all instances of the same object.

12.0.63 - 2016-02-23

  • Fixed a crash when using progressive rendering with the OSL path tracer introduced in version 12.0.62.
  • Optimized renders with global illumination. Some scenes may be up to 10% faster.
  • Fixed a bug with OSL and UDIM textures (#6176).

12.0.62 - 2016-02-18

  • Added support for AOVs in the OSL path tracer.

12.0.61 - 2016-02-17

  • OSL: Improved sampling of the GGX and GTR functions (removal of noise or "speckles").

12.0.60 - 2016-02-16

  • Fixed some valid OSL networks being reported as having a cycle (#6161). 

12.0.59 - 2016-02-14

  • Fixed OSL transparency bug when a given closure had a negative weight.
  • Fixed crash bug with Open EXR files that used to "autocrop" option.

Due to a bug introduced in 12.0.55, renders that save EXR files could produce random crashes. Please update to this version or higher.


12.0.58 - 2016-02-12

  • Fixed problems with edge detection when output to a single exr file with other layers (#6150).

12.0.57 - 2016-02-09

  • Fixed a bug with OSL GI and transparent surfaces (#6144).

12.0.56 - 2016-02-05

  • Fixed visibility of volumes in some cases (#6141).
  • Fixed a potential OSL rendering performance issue introduced in 12.0.50.

12.0.55 - 2016-02-02

  • i-display: now takes half the memory when rendering floating point data (such as data saved to EXR files).
  • Technical: display drivers can now ask for "half" data type (16-bit floats). This is done using the PkDspyFloat16 (refer to the 'ndspy.h' file).

12.0.54 - 2016-02-01

  • Fixed a crash with message passing from light shaders (#6136).

12.0.53 - 2016-01-31

  • i-display: Fixed some UI glitches in the toolbar (#6127).
  • i-display: Fixed layer name display consistency in various UI elements (#6127). 
  • i-display: Now support half-float natively. Before, half images (such as EXRs) were stored as 32-Bit floats in memory. The net effect of this change is lower memory usages in most common situations.

12.0.52 - 2016-01-27

  • Added basic support of spot lights in OSL renders. The following parameters are supported: colorintensitydecayRateconeAnglepenumbraAngle and dropoff.
  • Fixed an OSL subsurface bug.

    OSL Rendering passes area not working in 3Delight for Maya.

12.0.51 - 2016-01-26

  • Fixed an OSL subsurface bug introduced in 12.0.50.

12.0.50 - 2016-01-25

  • Fixed infinite values caused by subsurface scattering in some OSL renders.
  • Fixed output of multiple deepexr files.
  • OSL texture() call now supports UDIMs.

12.0.49 - 2016-01-18

  • Improved environment map sampling for some maps.
  • Fixed a source of speckles in some renders.
  • i-display: Now supports trackpad multi-touch input. Two fingers swipe scrolling (with inertia) and pinch zooming gestures are supported.

12.0.48 - 2016-01-12

12.0.47 - 2016-01-04

  • i-display: Fixed troubles when rendering from inside Maya.

12.0.46 - 2015-12-29

i-idisplay doesn't properly accumulate images rendered from Maya. Please use 12.0.47.

  • Improved OSL statistics.
  • Added high quality environment sampling to the OSL renderer.
  • Fixed subtle problems with displacements when using the OSL renderer.
  • Improved transparency in the OSL renderer.
  • i-display: Now supports OCIO configurations.
  • i-display: Fixed rendering issues in thumbnails.
  • i-display: Better rendering of the region tool when in Contact Sheet mode.

12.0.45 - 2015-12-19

  • i-display: Added an application icon.
  • Small optimizations in the OSL renderer.

12.0.44 - 2015-12-17

  • i-display: Fixed aspect ratio problems.

12.0.43 - 2015-12-12

  • Improved rendering of edge detection width varying width.

12.0.42 - 2015-12-11

  • i-display: Added a toolbar. It can be customised using Windows -> Customize Toolbar.

  • Fixed a crash with interior shaders using outputvolumefragment() to output AOVs.

12.0.41 - 2015-12-10

  • Fixed getvar( null, ... ) with vertex displacement.

12.0.40 - 2015-12-04

  • i-display: Added a region tool. The tool allows for easy re-render on specific image regions.

12.0.39 - 2015-12-02

  • Fixed evaluation of interior shaders for transmission rays which end inside a volume box (#6061).

12.0.38 - 2015-11-21

  • Added support for OpenColorIO transforms on display drivers.

12.0.37 - 2015-11-15

12.0.36 - 2015-11-14

12.0.35 - 2015-11-11

  • Fixed result of shadow(), gather(), occlusion() and indirectdiffuse() with multicamera rendering.
  • Fixed crashes with "osltracer" when using progressive mode.

12.0.34 - 2015-11-09

12.0.33 - 2015-11-04

  • New "horizon" parameter added to trace().

12.0.32 - 2015-10-30

  • Fixed DoF with spherical camera.

12.0.31 - 2015-10-24

  • Fixed bad sampling of GGX and GTR distributions in some cases.

12.0.30 - 2015-10-20

  • Fixed a crash with Rif filters and IPR.

12.0.29 - 2015-10-17

12.0.28 - 2015-10-10

  • Improved sampling of GGX ("glass-ggx") and GTR ("glass-gtr") distributions when used to render reflection. Sampling of refraction alone, or sampling of reflection and refraction together is unchanged.
  • Corrected bad area light sampling in the first passes of an IPR session (#5994).

12.0.27 - 2015-10-06

  • The deepexr output now supports arbitrary pixel filters.

12.0.26 - 2015-09-25

  • i-Display: a visual glitch when switching to and from full screen mode has been fixed (Mac OS X only). 

12.0.25 - 2015-09-23

  • Fixed subsurface sometimes being too blurry with low samples count (#6016).

12.0.24 - 2015-09-18

12.0.23 - 2015-09-17

  • Added "label" parameter to subsurface() shadeop.

12.0.22 - 2015-09-17

  • Fixed __edgewidthscale, __edgecolor and __edgealpha variables sometimes not working when edge detection is used with display subsets (#5995).

12.0.21 - 2015-09-10

12.0.20 - 2015-09-08

  • Fixed behavior of random() with light categories. It is now the same for all light category AOVs (#6006).
  • Fixed a case of incorrect texture() filtering of diffuse rays with blur (#6007).

12.0.19 - 2015-08-25

  • The __edgewidthscale variable used for outlines is now selected by depth instead of using the maximum value.

12.0.18 - 2015-08-04

12.0.17 - 2015-08-01

  • i-display: Fixed handling of EXR files. Features such as "data window" and "display window" were not working.
  • i-display: Can now read Deep EXR files. 
  • Fixed uniform primitive variable output as AOVs with the raytrace hider.

12.0.16 - 2015-07-31

  • Improved memory use of deepexr display driver.

12.0.15 - 2015-07-25

  • hdri2tif is no longer part of the package.


12.0.14 - 2015-07-15

  • i-display: Added multi-layer support for openEXR (reading and writing). 

12.0.13 - 2015-07-11

  • subsurface() now accepts the "subset" parameter (#5972).

12.0.12 - 2015-07-10

12.0.11 - 2015-07-10

  • rayinfo( "depth", ... ) now correctly accounts for hair bounces.

12.0.10 - 2015-07-09

  • i-display: Fixing a crash related to the Light Mixer (#5964).

12.0.9 - 2015-07-02

  • i-display: Fixed a bug where switching to the Contact Sheet mode would show black images (#5957).
  • Removed the different tiling choices in multi-host rendering. Only the "balanced" strategy has been retained.

12.0.8 - 2015-06-29

  • i-display: Fixed a bug introduced in 12.0.7.
  • Fixed artifacts (occasional bright pixels) with subsurface single scattering.

12.0.7 - 2015-06-26

In this version, i-Display has a bug that causes a bad refresh of incoming renders.

  • Added spherical projection support for cameras (#5930 and #5948).
  • Added "hairdepth" query to rayinfo()

12.0.6 - 2015-06-18

  • Improved sampling of area lights. Long and thin area lights are faster to sample and exhibit less noise. 
  • Fixed an IPR bug in with camera manipulations (parts of screen not being rendered). Issue #5946.
  • i-display: Fixed a bug that affected the Drag & Drop feature (on Linux platforms only it seems but could also affect other platforms). The symptoms were the subject of a topic in the forum.

12.0.6 - 2015-06-15

  • In Contact sheet mode, draws image's (or layer's) name over each image.

12.0.5 - 2015-06-11

  • i-display: Fixed a crash.

12.0.4 - 2015-06-10

  • Fixed a crash in raytraced subsurface scattering.

12.0.3 - 2015-06-08

12.0.2 - 2015-06-04

  • trace()'s glass-ggx distribution now accepts anisotropic parameter specification ( "udir" and "roughnessv" ).
  • Fixed raytraced subsurface scattering of very thin objects.

12.0.0 - 2015-06-01

  • i-display: Now supports Retina (high DPIdisplays.


12.0.83 - Upcoming

  • Improved performance of some cases of volume rendering.
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