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Description
Summary
Positioning lights in Gaffer would be a lot more convenient if there would be an additional aim manipulator/gizmo for lights
User story
What
"In Maya, when a light or it's aim manipulator is moved, the light’s rotation is updated to point at the aim manipulator target. This is NOT a live-constraint, but just a tool to make it easier to move a light while temporarily keeping its aim locked on a point.
This is better than using an Aim Constraint because it keeps the transform values on the light itself and requires no additional data for the scene. As you can see in the GIF you can easily switch between the aim manipulator tool and the standard transform tool: attempting the same kind of behavior with an aim constraint would require yet another transform node to allow the light to be moved without the aim.
Lights in Gaffer already have the transform data to support this kind of behavior, so no changes to light nodes would be required. It would purely be an additional tool for the 3d viewport to allow this behavior."
Why
Unfortunately the existing lightPositionTool isn't very helpful to feely move a light in a scene, because it requires a geometry target and only moves relative to the geometries surface
