Puttalyze-APP
The Nr.1 green-reading app
How to use the app
This section contains explanations of the used terms and notations as well as links to further material.
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Explanation of used terms and notations
Points according to the PUTTALYZE concept
Distances and lines according to the PUTTALYZE concept
- dA: Distance between the hole and the aim point PA. More
- dD: Distance between the aim point PA and the distance point PD. More
- dP: Distance past the hole; the distance from the hole to the point where the ball would stop, if it did not fall into the hole. More
- dC: Distance corresponding to a putt on a plane surface. More
AIM POINT (PA):
The point on the fall line that indicates the initial direction of the putt.
Distance point (PD):
The point on the line of the initial put direction that indicates the eff ective length of the put, i.e. the distance correspondingto a put on a flat surface (with the same green speed and velocity at the target).
ANGLES and DIRECTIONS
Error in putt direction: Deviation (in degrees) of the putter from the calculated initial direction; helps to visualize the error margins.
∆φ: ("Delta-phee"): Angle between the initial putt direction and the straight line from the ball to the hole.
Error in putt direction: Deviation (in degrees) of the putter from the calculated initial direction; helps to visualize the error margins.
∆φ: ("Delta-phee"): Angle between the initial putt direction and the straight line from the ball to the hole.
General concepts
Stimp-meter distance (Ds): The distance in feet that a golf ball rolls when launched from a Stimp-meter on a flat surface.
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