GPS Coordinate Considerations?

[Joey]

I was wondering if/how we'd support GPS coordinate information for
individual holes and their features. It seems that a wiki-type golf
GPS site using these golfml format would be helpful to push this as a
standard.

[Pierre Mareschal]

Hello Joe,

Thanks for your interest in golfml.

Yes, indeed, the purpose of golfml is to share information about golf courses, geomitrical data included, so that you don't have to type it in each time you change application or system.

I don't know precisely what you call gps coordinates of "holes". Hole places change daily on some courses. Greens don't move but hole locations do!

So the proposal of golfml is to give the mean to describe a location. I do this in two steps.

First, for greens (or as a matter of fact any other "surface"), you can enter a list of coordinates that describe the perimeter of the surface (a polygon). That's it. Each point of the polygon has lat/long/altitude data. But there is no mean to enter more details "numerically". You cannot "describe" the surface of the green (slope, etc.). What you can do is attach an image with details about the green, but this data is just a picture you can add for the hole.

Second, as for professionnal tournament, there is a "standard" way to give hole location on a green. It is given in "paces" (steps) from a side of the green. For instance 4 paces from the end of the green and 18 paces from the left side. If you look at the dopwnloadable files here, the first one, pnsheet.jpg is a "pin placement sheet" as handed to golf professionnal at tournaments.

All data in the "pin placement sheet" can be copied in golfml in numerical format in the "hole placement chart".

I hope this help.

Pierre

Le 23-mars-09 à 23:01, Joey a écrit :