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arnold

KNOWN ISSUES
IBL HOOK SETUP

Known Issues
 
The Cam Visibility 'on' state in HDR Light Studio is not honored by the area light in Arnold.
Alpha is not supported on Arnold aiAreaLights, an RGB image (pre-multiplied by the Alpha) is used as the light content.

 

IBL Hook Setup

These are the manual steps needed to create an image based lighting setup that is compatible with HDR Light Studio.
 
Arnold - aiSky (option 1)

Open the Render Settings panel
ibl_setup_maya_render_settings

Go to the Arnold Renderer tab
In the Environment section, left click on the check box next to the Background slot
Select Create Sky Shader

ibl_setup_maya_arnold_route1_01

A new material is created called aiSky

In the Attribute Editor for aiSky
Ensure Format is set to latlong
Enable Visible in Reflections and Visible is Refractions
ibl_setup_maya_arnold_route1_02

Press the checker board button next to the Color slot to add a HDR file to the aiSky

In the resulting Create Render Node panel, select 2D Textures > File
ibl_setup_maya_arnold_route1_03

Press the folder icon next to the Image Name slot to load a standin HDR or EXR file.
ibl_setup_maya_arnold_route1_04

The IBL hook is now valid. HDR Light Studio will now see and connect to this IBL setup.

 

 
Arnold - Sky Dome Light (option 2)

From the Arnold shelf, press the Create SkyDome Light button to create a Sky Dome Light
ibl_setup_maya_arnold_route2_01

In the Attribute Editor for the light, click the checker board button next to the Color slot.
ibl_setup_maya_arnold_route2_02

In the resulting Create Render Node panel, select 2D Textures > File
ibl_setup_maya_arnold_route1_03

Press the folder icon next to the Image Name slot to load a standin HDR or EXR file.
ibl_setup_maya_arnold_route2_03

The IBL hook is now valid. HDR Light Studio will now see and connect to this IBL setup.

 

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