The SetSpotlightToView command matches spotlight direction to the viewport camera direction.
The command an existing spotlight or adds a new one so that the light point and target point (center of base circle) correspond to the camera point and its target point. This provides a convenient and accurate way to place or add a spotlight so that it is shining exactly in the right place.
Steps
Select a spotlight.
Command-line option
NewSpotlight
Creates a new light with the current view characteristics instead of modifying an existing light.
See also
Open the Lights panel.
Match the view to a spotlight direction.
Rhinoceros 5 © 2010-2015 Robert McNeel & Associates. 17-Sep-2015