My issue is that I have a blender file in which cameras and lamps do not move when I attempt to rotate them using the mouse. If I select the objects (in object mode), press R, and move the mouse in the viewport, the lamps and cameras don't respond; they remain in the same orientation as when I started, no matter how vigorously I try to move the mouse. The values in the information bar show that the mouse is communicating. If, however, I manually enter a new value for the amount of rotation in the properties shelf of the viewport, the camera moves to the new orientation.

On a new default Blender scene, the cameras and lamps do respond to commands to rotate and scale using the mouse. I've compared all of the settings I can think of, and don't see anything obvious that corrects the problem.

~.blend file is available.

  • $\begingroup$ Can you share the blend file? You might have locked a transform axis or something similar. $\endgroup$ – iKlsR Aug 24 '14 at 16:31
  • $\begingroup$ Maybe, but I checked all the transform locks I could think of. $\endgroup$ – brasshat Aug 24 '14 at 17:47

Untick Maniplulate center points in the header. This transforms center points only and allows you to manipulate object locations while having the objects themselves stay in their existing orientation.

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In Blender 2.8 it is actually on the top middle of the viewport:

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Pivot Point.

Pivot center for rotation/scaling: Median Point

Pivot around the median point of selected objects

make sure the only origins option is deselected:

Only Origins

Manipulate Origins (Object, pose and weight paint. mode only)

  • $\begingroup$ In 2.90.1 I found the setting to be under the top right Options menu. It reads Transform Affect only X Origins X Locations X Parents I had to untick all of them to get rotation and scaling to work. This discussion gave me a clue as to where to look: developer.blender.org/T69003 $\endgroup$ – Caz Oct 14 '20 at 19:14

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