SYSTEM AND METHOD FOR GENERATION AND MANIPULATION OF A CURVE IN A DYNAMIC GRAPH BASED ON USER INPUT
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Oct 9, 2013
filing date -
Oct 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for generating and manipulating one or more curves in a dynamic graph in response to user input. The system provides a user interface for interacting with (e.g. manipulating) curves in a dynamic graph of a drawing program. In response to user input (e.g. interaction with the graph and/or curve therein), the user interface graphically generates and/or modifies the curve. Generation/modification of the curve is based on an algorithm configured to intuitively and dynamically move control points of the curve in response to the user input. The user input may include direct interaction with portions of the curve itself, as well as direct control of the end points and/or control points. The algorithm ensures that the generated/modified curve represents a valid mathematical function, while further ensuring that the generated or modified curve appears visually smooth.
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