Assess casting motion anomalies by measuring the area enclosed by the tip's path.

Area Enclosed by the Curve:  

eFly uses the area enclosed by the curve of the tip's path as a parameter to assess anomalies in the casting motion.  

This area is a quantitative measure of the discrepancy between the back and forward casts.

eFly app showing the area enclosed by a curve

Interpretation: In ideal conditions, the enclosed area should be zero, indicating no deviation between the casts.  

A larger area suggests greater discrepancies, pointing to inefficiencies in the casting technique that may need correction.

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