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HDR Light Studio - Documentation

Navigation: Connections (Plug-Ins) > Houdini Connection

Release Notes and Known Issues

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Release Notes | Known Issues

Release Notes

Build 2021.1208
Support added for Houdini 19
Support added for RenderMan 24.2
Octane 2021.1.0.4  or newer is required for compatibility with Octane.
Dropped support for Houdini 17.5

Build 2021.0504
On macOS, if HDR Light Studio environment variable is not found/work/set then default install location used to find HDR Light Studio main app. This allows users to use HDR Light Studio with their connection who were having technical difficulties due to macOS ignoring our environment variable.

Build 2021.0203 - Released 6th April 2021
Support added for Python 3 version of Houdini 18.5. Single plug-in supports both Python 2 and 3.

Build 2020.1207
Small bug fixes

November 23rd 2020
Support added for Houdini 18.5

Build 2020.0218
Small bug fixes

Build 2019.1203
Supports Houdini 18, 17, 17.5
Installation method has been updated.
Support for V-Ray, Octane & RenderMan has been added.
Support added for Houdini 18
HDR Light Studio Connection interface has been refreshed.

Build 2019.0314
Updated to support Houdini 17.5
Send empty string in place of camera name if no camera in use/selected but there are cameras in the scene.
Updated Arnold to use .tx files for its missing textures.

Build 2018.1015
Updated to support Houdini 17.

Build 2018.0615
Support added for Redshift render.
Area Light creation and control added for Mantra, Arnold and Redshift.
Updated connection workflow - press the start button and env light is created for you.
Build 2018.0131
Minor bug fixes

Build 2016.1124
Minor bug fixes

Build 2016.0425
Updated compatibility with HDR Light Studio 5.3.3

Build 2016.0219
Updated for compatibility with HDR Light Studio 5.3
Bug 1154 - Dragging Lat / Long Sliders in HDRLS, slow HDRI map updates has been fixed.
Bug 1232 - Fixed issue when starting HDRLS with an embedded project, the initial lighting didn't match until a change was made.
Bug 1005 - Fixed HDRLS crash on exit when referencing Alembic file
Bug 1163: Fixed bug with Houdini not closing the main app if the main app is hidden.
Bug 972 - Fixed bug where exporting Alembic file from HDRLS plug-in would fail unless .abc was typed as the extension. We automatically add missing extension to filename in plugin now.
Bug 988 - Fixed bug where connection could not be resumed with HDRLS after a HDRLS crash.

Build 2015.1023
Support for Houdini 15 has been added.

Build 2015.0814
The Houdini Connection has been updated to be compatible with HDR Light Studio 5.2.1
HDR Light Studio 5.2.1 contains a critical stability fix relating to communications between HDR Light Studio and host connections.

Build 2015.0706
Support for Houdini 12, 13, 14 has been added.
Scenes can be pushed into HDR Light Studio and file format for proxy environment map can be switched between exr and hdr.
Support for Arnold renderer has been added in the following combinations.
Houdini 14.0.361
Houdini 14.0.335
Houdini 14.0.291
Houdini 13.0.498
HtoA 1.5.4
HDR Light Studio 5.2 Build 2015.0716
Houdini connection Build 2015.0706

Known Issues

Octane: Any Octane error will break the IPR. This means that the IPR will not receive correct lighting updates from HDR Light Studio.

Area Light Issues:

Arnold: Geometry of area lights ignores the alpha of the applied texture.

Octane: Alpha on area lights is not applied to reflections in surfaces.

Octane: IPR may need to be re-loaded first for area lights to appear.

Redshift: Geometry of area lights ignores the alpha of the applied texture.

Mantra: Geometry of area lights ignores the alpha of the applied texture.


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