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HDR Light Studio (Tungsten Drop 1)

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Version: Tungsten (Drop 1)
Build Date: 2019.0426

Windows: 7, 8, 8.1, 10
Mac OS: 10.12.0 (Sierra) or later
Certified against: Scientific Linux 7.2
Compatible with:
Centos 7, Fedora 19+ (not 27 though), Ubuntu 13.10+, Mint 16+, Debian 8+, OpenSUSE 13.2+

Connection Requirements:
3ds Max - 2017, 2018, 2019, 2020 - Plug-in build 2019.0426 (updated)
Cinema 4D - 18,19, 20 - Plug-in build 2018.1115
DeltaGen - 2017, 2018 (and the x-builds), 2019 (and the x-builds) - Plug-in build 2019.0115 (updated)
Houdini - 16.5, 17, 17.5 - Plug-in build 2019.0314 (updated)
Maya - 2016.5, 2017, 2018, 2019 - Plug-in build 2019.0403 (updated)
MODO - 10, 11, 12, 13 (Windows and OSX) - Plug-in build 2019.0403 (updated)
LightWave 3D - 2015, 2018, 2019 - Plug-in build 2019.0123 (updated)
Rhino 5 - Plug-in build 2018.0206
Rhino 6 - Plug-in build 2018.1130
Octane Standalone: Windows only, 3.08.1+, 4. Plug-in build 2019.0304 (updated)
VRED - 2017, 2018, 2019, 2020 and 2020.1 (Windows only) - No additional plug-in installation required. (updated)
Maxwell Studio - 3.2 and 4 (Windows only) - No additional plug-in installation required
SOLIDWORKS Visualize - 2017, 2018 (Windows) - No additional plug-in installation required.


VRED 2020.1 (Released 26 June 2019)
Since we released Tungsten Drop 1 - Autodesk released VRED 2020.1, which has added support for HDR Light Studio ' Area Lights'
See our updated VRED documentation here.


New Product Range
You can see the new product range on the buy page at our web site here:
Existing licenses continue to work with the new version of HDR Light Studio.
License administrators may wish to look at these notes on how the new software licenses work: License Changes in Tungsten

Composites are a powerful new addition to HDR Light Studio

You can use Composites to:

Group Lights

Control a group of lights (brightness, position, color etc)

Store Multiple Lighting Designs in one HDR Light Studio project

Isolate and Edit Individual Lights

Mask Lights

Clone and move areas of the HDRI map

Combine different regions of multiple HDRI maps

Dissect and take controls of light regions in existing HDRI maps

Read more here and see examples of how to use it: Working with Composites


Select multiple Lights in the Light List
Multiple light selections can be: Deleted, Merged into a Composite, Released from a Composite

Blend Channel
A new drop down called Blend Channel currently allows you to choose if Add blend mode affects the Color or only Values.
This option works well with the Composite feature - allowing the user to take control over light sources in an existing HDRI map - see the example here.
Blend Modes
When using blend modes, we have made a few changes making them easier to use. Improved default settings and removed redundant options from interface.
Low Pass takes into account Alpha
Low Pass blend mode now takes into account the alpha of the light, so that a Low Pass blend can have a soft edge to its clamping effect.
Mask Setting on Multiply
Mask setting added to Multiply blend mode. Very useful to use in conjunction with Composites. Read more here

Flat Background Light
A Flat Background light has been added to the tool bar. This is a very useful light setting and having it available on the tool bar is a time saver.

HDRLS_SCALE_GUI environment variable
Add support to force scale of GUI through HDRLS_SCALE_GUI environment variable. The value represents the scale size you want.

Updated Compatibility:
Maya 2019 support added
3ds Max 2020 support added
MODO 13 support added
Houdini 17.5 support added
LightWave 3D 2019 support added
DeltaGen 2019 (and the x-builds) support added

Bug Fixes:
MODO Connection: Fixed Deletes environment textures on load complete notification (no env texture on re-starting session)
Octane Standalone Connection: Fixed issue with area lights not turning off/on
Octane Standalone: Fixed memory leak
Maya Connection: Fixed issues with VRay VFB not hiding/reloading/restarting properly.
Maya Connection: Fixed issues with ReSync'ing the Arnold FrameBuffer.
Maya Connection: Fixed issue with Maya not refreshing its environment hooks before Starting the Connection.
Maya Connection: Fixed issues with not handling switching of the Maya scene when HDRLS is running.
Maya Connection: Fix for RenderMan 22.3 support
3dsMax Connection: Fixed bug from Maxwell new release where environment not being correctly detected.
Houdini Connection: Send empty string in place of camera name if no camera in use/selected but there are cameras in the scene.
Houdini Connection: Updated Arnold to use .tx files for its missing textures.



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