Sketch-effect hatching
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United States of America Patent
Stats
-
Apr 14, 2020
Grant Date -
Feb 1, 2018
app pub date -
Jul 28, 2016
filing date -
Jul 28, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Computer efficiency improved sketch-effect hatching is provided. A hatching tool generates a bounding area associated with an object, within which a plurality of hatching line segment strokes is generated. The strokes are generated by generating center points on equally or near-equally spaced parallel columns within the bounding area that are vertically-offset from each other by randomly-generated stroke lengths. The center points are then randomly horizontally-offset from the columns according to a calculated deviation. A random angle deviation is derived, and end points of the strokes are calculated based on the new center points, stroke lengths, and angle deviations. The strokes are then enhanced by generating overstrokes. Further, the hatching tool maps the strokes to the object, rotates the strokes by a hatching angle, keystone-corrects the strokes, and clips the strokes to fit within the object's boundary. The strokes are output to provide a hand-sketched hatching effect.
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Cited Art Landscape
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 14, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 14, 2031 |
