Select Viewport Image
Display > Select Viewport Image
 

Description:

      The Select Viewport Image
(Display > Select Viewport Image) command will select the background image, if any, in the current viewport, allowing you to edit its position, orientation, and size with the standard geometry manipulators. To avoid unwanted selection while modeling, this is the only way to select a viewport's background image. Once selected, the image can be edited using the regular Move, Rotate, Scale, and Universal manipulators, allowing you to position it as desired. It can also be edited with the Numerical Editor (Modify > Numerical Editor) for precise positioning.


Notes:

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For more information on viewport images, see the Set Viewport Image (Display > Set Viewport Image...) window help file.