This feature is only available in the Professional version of Showcase, and only as of the 2013 R1 release.
You can use HDR Light Studio to create lighting environments in Showcase.
Once HDR Light Studio is installed, it will be detected the next time you start Showcase Professional.
To use HDR Light Studio in Showcase Professional:
While you are making changes to a lighting environment with HDR Light Studio, it displays in low resolution to enhance performance. This is indicated by a red icon on the lighting environment thumbnail . Once you render the lighting environment to a high resolution version, the icon changes to gray .
You may want to convert your new lighting environment to a standard lighting environment that other Showcase users can use without having the Professional version of Showcase or HDR Light Studio. To do this, right-click the lighting environment thumbnail and select Duplicate and Bake. A copy of the environment is created under Environments in Scene.
HDR light Studio environment creation is not supported: