Defining a time-variable property in digital compositions

Computer graphics processing and selective visual display system – Computer graphics processing – Animation

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G06F 1200

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active

058867104

ABSTRACT:
Values for a property of a layer in a composition over a period of time are established by sampling user input at a sequence of sample times to obtain a sequence of input values, corresponding the sequence of sample times with a sequence of layer times, and determining a sequence of property values for the first layer from the sequence of input values, the sequence of property values corresponding to the sequence of layer times.

REFERENCES:
patent: 5053760 (1991-10-01), Frasier et al.
patent: 5459830 (1995-10-01), Ohba et al.
patent: 5689682 (1997-11-01), Peasley et al.
S. Snibbe, "A Direct Manipulation Interface for 3D Computer Animation," Eurographics, 1995, vol. 14, No. 3. 7 pages.
S. Snibbe, "Gestural Controls for Computer Animation," Term paper, Brown University, Sep. 1994, 42 pages.

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