# Understanding keyframes

Demopaja uses keyframes to create and control animation. A keyframe marks the point in time where you specify a value for a parameter. To animate parameter value, at least two keyframes are needed. The change of value begins at the first key frame and continues until the next keyframe is reached. Demopaja uses interpolation to find values between keyframes.

Fig 1. Four keyframes and interpolated frames between them to create a animation.

See also:

- Setting keyframes

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