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  2. Mode dial - Wikipedia

    en.wikipedia.org/wiki/Mode_dial

    A mode dial or camera dial is a dial used on digital cameras to change the camera's mode. Most digital cameras, including dSLR and mirrorless cameras, support modes, selectable either by a rotary dial or from a menu. On point-and-shoot cameras which support modes a range of scene types is offered. On dSLR and mirrorless cameras, mode dials ...

  3. Rotational mouse - Wikipedia

    en.wikipedia.org/wiki/Rotational_mouse

    A rotational mouse is a type of computer mouse which attempts to expand traditional mouse functionality. [1] The objective of rotational mice is to facilitate three degrees of freedom ( 3DOF ) for human-computer interaction by adding a third dimensional input, yaw (or Rz), to the existing x and y dimensional inputs.

  4. Mouse keys - Wikipedia

    en.wikipedia.org/wiki/Mouse_keys

    Mouse keys is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse). Its roots lie in the earliest days of visual editors when line and column navigation was controlled with arrow keys .

  5. 180-degree rule - Wikipedia

    en.wikipedia.org/wiki/180-degree_rule

    The rule states that the camera should be kept on one side of an imaginary axis between two characters, so that the first character is always frame right of the second character. Moving the camera over the axis is called jumping the line or crossing the line; breaking the 180-degree rule by shooting on all sides is known as shooting in the round.

  6. Quaternions and spatial rotation - Wikipedia

    en.wikipedia.org/wiki/Quaternions_and_spatial...

    3D visualization of a sphere and a rotation about an Euler axis (^) by an angle of In 3-dimensional space, according to Euler's rotation theorem, any rotation or sequence of rotations of a rigid body or coordinate system about a fixed point is equivalent to a single rotation by a given angle about a fixed axis (called the Euler axis) that runs through the fixed point. [6]

  7. Unity of effort - Wikipedia

    en.wikipedia.org/wiki/Unity_of_effort

    Unity of effort is the state of harmonizing efforts among multiple organizations working towards a similar objective. [1] This prevents organizations from working at cross purposes and it reduces duplication of effort. Multiple organizations can achieve unity of effort through shared common objectives.

  8. Rotation (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Rotation_(aeronautics)

    Rotation applies to tricycle gear aircraft rather than those with conventional gear (tailwheel aircraft). The on-ground angle of attack of the wing has to be established during the design phase. The main and nose-gear leg lengths are chosen to give a negative angle of attack relative to the ground.