Node Group for Blender Cycles to control a HDR (or Image) Background. Allows to Control strength and color individually for Lights and Environment.
Inside Node Group:
Access with: select Node Group, hit Tab. Two Nodes are Orange, Mapping and Environment Texture. In Mapping you can rotate the Background by editing Rotation – Z. In Environment Texture select the HDR or Image you want to use for Scene Background.
Set Limit for Light. Greater than this Value is considered as Light, Less than is considered Environment
Set Strength for Environment
- Environment Color
Set adjustment Color for Environment
Set Strength for Lights
- Lights Color
Set adjustment Color for Lights
Set Brightness of Visible Background
Output Shader, connect this to World output – Surface