3d simulation of a rolling ball

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Discussion Overview

The discussion focuses on simulating the rolling of a golf ball on a green, utilizing data from a 3D scan of the green. Participants explore how to model the ball's path to the hole from various positions, considering factors such as slope and grass friction.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant seeks advice on software for simulating a golf ball's trajectory on a scanned green.
  • Another participant questions the accuracy of the simulation and suggests considering the user's golf experience in the modeling process.
  • A participant mentions that the green can be accurately mapped within a few millimeters and aims for a putt path accuracy of 5 to 10% as a guideline.
  • Concerns are raised about the inability to factor in wind speed, while the friction of the grass is noted as a calculable variable.
  • There is a suggestion that the lack of practical golf experience may limit the user's understanding of the simulation's requirements.
  • A participant expresses uncertainty about how to calculate the friction of the grass on the greens.
  • Another participant acknowledges their golf experience, indicating familiarity with the challenges of putting.

Areas of Agreement / Disagreement

Participants express varying levels of experience with golf, which may influence their perspectives on the simulation's accuracy and requirements. There is no consensus on how to calculate grass friction or the overall approach to the simulation.

Contextual Notes

Participants have not resolved the specifics of calculating grass friction, and there are assumptions about the impact of user experience on the simulation's design.

Who May Find This Useful

Individuals interested in sports simulation, engineering applications in golf, and those exploring the intersection of technology and sports may find this discussion relevant.

scottla
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Hi,

I'm looking for advice on how to simulate a golf ball rolling on a green. The green will have been scanned using a 3d scanner by an Engineering Surveyor. I'm trying to model putting a golf ball from any position on the green, looking for a path line to the hole, and where to aim.
For example, aim 3 ft to the left and 2 ft short (assuming there is a slope left-to-right and slightly downhill).

Any advice on the type of software and how to do it, would be appreciated.
 
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Welcome to the PF. :smile:

How much golf have you played? How can you incorporate what you know from your time on the courses into this type of simulation? How accurate do you want this to be, and what variables do you think you should consider to try to achieve that level of accuracy?
 
using a 3d scanner, the green can be mapped pretty accurately, within a few mm. I want the putt path to be fairly accurate within 5 or 10%. It's more of a guide than an exact. Things like wind speed probably can't be taken into consideration, but friction of the grass can be calculated, so the accuracy won't be fullproof. but hopefully pretty close
 
Okay, so you've never actually played golf or putted greens. That's okay, but it will limit your thinking on this a bit. Maybe it's time to head to the local par-3 course for some research... :wink:
scottla said:
using a 3d scanner, the green can be mapped pretty accurately, within a few mm. I want the putt path to be fairly accurate within 5 or 10%. It's more of a guide than an exact. Things like wind speed probably can't be taken into consideration, but friction of the grass can be calculated, so the accuracy won't be fullproof. but hopefully pretty close
How are you going to calculate the "friction" of the grass on the greens?
 
Not sure yet. looking for recommendations
 
berkeman said:
Okay, so you've never actually played golf or putted greens. That's okay, but it will limit your thinking on this a bit. Maybe it's time to head to the local par-3 course for some research... :wink:

How are you going to calculate the "friction" of the grass on the greens?

Sorry, yes I'm played golf for years. and wasted many putts in the process!
 
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