Running angle
Encyclopedia
In graphonomics
Graphonomics
Graphonomics is the interdisciplinary field directed towards the scientific analysis of the handwriting process and the handwritten product. Researchers in handwriting recognition, forensic handwriting examination, kinesiology, psychology, computer science, artificial intelligence, paleography and...

, the running angle is the angle of consecutive vectors (Xt,Yt) with respect to the base line
Baseline (typography)
In European and West Asian typography and penmanship, the baseline is the line upon which most letters "sit" and below which descenders extend.In the example to the right, the letter 'p' has a descender; the other letters sit on the baseline....

, i.e.


Usually, it is more informative to compute it using a four-quadrant version of the arctan function in a mathematical software library.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK