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18 BOGEYS

Open data

The geometry inside the apps is a database derived from OpenStreetMap. The licence that comes with it says that if we use that database publicly, we have to offer ours back on the same terms. This page is that offer for the courses bundled in the app: the exact files it ships with, one pair per course. The app offers more courses than these, downloaded when you pick them; this page lists the ones that come inside it.

Attribution

© OpenStreetMap contributors

Reproduce this line wherever you show the geometry. It is read from the manifest published beside the data, which is the same string the apps display — so what this page claims and what ships with the files cannot come apart.

Read the Open Database License 1.0OpenStreetMap

The files

Two files per course, served directly. The manifest describes the database next to it: version, the pipeline build that produced it, imagery date, licence and sources, and a SHA-256 for every file — including the files we keep and do not publish.

Biltmore Golf Course

Package 0.2.1Imagery 2023-01-11ODbL-1.0

SHA-256 of the database, as the manifest declares it
9cb41322219f7b0b27253eb329d0a0d7e4a5fd601f548b3538d830535f606861

The Broadlands Golf Course

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
3bec9f73567601f38f28ccdc418a35eb2dc858dd6951cf5c71e7a28b0415bf94

Centro Nacional de Golf

Package 0.1.0ODbL-1.0

SHA-256 of the database, as the manifest declares it
0f5af5c23032d6697eba9b18802e444a8df9eccd5f42b57f78e0199a7e0b9d01

Hacienda Chicureo Club

Package 0.1.0ODbL-1.0

SHA-256 of the database, as the manifest declares it
838da040db09ef52c32b1098366f967722c1c3c7d7640cdca573da2a2617dede

Coal Creek Golf Course

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
a47962da5fbfda65ef2999ec74a778af82e7adc4c6e739ccb6c3b54de515cbba

Flatirons Golf Course

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
473469a13ffba856912d298033b0fafaa2c710ce264c78da23db6d0997e19b15

Fresh Pond Golf Course

Package 0.1.0Imagery 2023-07-07ODbL-1.0

SHA-256 of the database, as the manifest declares it
430c79ca2af08dc44a056f55c7f4c572b28e3bfa7202e8479f563d56548ca058

Greenway Park Golf Course

Package 0.2.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
4cfa3b5440bf52709fd6a9f6a8229483c43688e745fc150e1cb3d1602b8cda09

Henllys Golf Club

Package 0.1.2ODbL-1.0

Credit for this package: © OpenStreetMap contributors · Contains public sector information licensed under the Open Government Licence v3.0 — Welsh Government LiDAR 2020-23

SHA-256 of the database, as the manifest declares it
5b8e3c76055b8ffebc202420c55de29904c02ec2505acf9756373b4c0790c18a

Hermann Park Golf Course

Package 0.1.0Imagery 2022-09-14ODbL-1.0

SHA-256 of the database, as the manifest declares it
27e18a23cb164f6f93df2c73c13578d4db7cd6a8c0d765510a2fd0dec1dd3cb6

Indian Peaks Golf Course

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
5d03bbb113eaf1ad47a31cb5bfbdcda04f3cb0d8f360148d154141c4ffb7021a

Omni Interlocken

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
d942549ab49b0fa7f5f4a5d96dc4427237453ef4c67bb901696b54043d9f51c6

Omni Interlocken — Eldorado

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
7d6f377febc85c39a532d5c280e3e2c175a27f6a8ff67cebaa9535be57e46f29

Omni Interlocken — Sunshine

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
896a8876f361aec1bf14b805f82b01ae2792025e4349f7a5a5be96a3d8bc4af7

Omni Interlocken — Vista

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
d684b0f92fdb755249c0841f614dccd90303a377e198355fa707c1b3b715354b

Legacy Ridge Golf Course

Package 0.1.0Imagery 2023-09-25ODbL-1.0

SHA-256 of the database, as the manifest declares it
9301b49b704c77211e1e59b102a65b8c3c075bc10584d6c702c11c39dafb1ea8

Marbella — Andes

Package 0.1.0ODbL-1.0

SHA-256 of the database, as the manifest declares it
dbc4e519a85331dd2149568501a7c1efab0d1f2dcde92747adf41bc738849156

Marbella — Pacífico Norte

Package 0.1.0ODbL-1.0

SHA-256 of the database, as the manifest declares it
aee688a6376ad60cca89d5e6b95a4c55357eed8013c412def88759a140606e85

Marbella — Pacífico Sur

Package 0.1.0ODbL-1.0

SHA-256 of the database, as the manifest declares it
322d87e00b15c609bc98c614023fa4cdace3583f649fcca1a4468b8124d894a5

Miami Shores Country Club

Package 0.1.0Imagery 2023-01-11ODbL-1.0

SHA-256 of the database, as the manifest declares it
7dc33ab465d75746c4c5532e1b1ee55fd1d87534d61debd10ac2abc58c36d953

Newton Commonwealth Golf Course

Package 0.1.0Imagery 2023-07-07ODbL-1.0

SHA-256 of the database, as the manifest declares it
eb4d426164de41e91b9ff8289e050b8965f8eba9d688b1192528b7d82a6fa17f

Normandy Shores Golf Club

Package 0.1.0Imagery 2023-01-11ODbL-1.0

SHA-256 of the database, as the manifest declares it
d585f0ec1a294b73be58f3dcd043197dbd2f8b97b76fc3ac21c9b3d38f5c1db5

Golfclub Pustertal

Package 0.1.0ODbL-1.0

SHA-256 of the database, as the manifest declares it
11a523a73403affa73002548197076a1a79109b89997394806245a5685f17e91

Stoneham Oaks Golf Course

Package 0.1.0Imagery 2023-07-07ODbL-1.0

SHA-256 of the database, as the manifest declares it
1f989b8f5e58a64284ba1af9606308114678875d5ac5dd268cfa75a1c04fafb1

Offered under the Open Database License 1.0

You may copy, distribute and modify these databases, and use them commercially, on three conditions: credit the source, offer any database you derive from them under this same licence if you make it public, and do not lock a copy behind a technical restriction without also offering one that is not locked.

A map, a screenshot or a yardage computed from the data is a Produced Work rather than a database, and distributing one only needs the credit. But there is a trap in that sentence, and it is the one that brought this page into being: if the database you made it from is a database you changed, publishing the work obliges you to offer that changed database as well, on these same terms. The apps are the Produced Work. These files are the database behind them.

This paragraph is a summary written by the people publishing the data, not legal advice: what governs is the text of the licence.

The aerial imagery is not in here

For the courses in the United States, the photographs the mapping pipeline measured against are NAIP, flown for the United States Department of Agriculture, and are in the public domain in the US — they carry no share-alike obligation and they are not part of this download. Courses outside the United States are mostly drawn without aerial photographs. What you get is geometry, not pictures. Where a package was measured against imagery, its manifest records the date of that imagery and lists the image files that live in our own copy and are not published here.

What these files are, and what they are not

course.json is what a rangefinder needs: the outline of every green, tee box, fairway, bunker and water hazard, the line of play down each hole, the layup targets, in WGS84 with every length in meters. Each feature carries where it came from — an OpenStreetMap element, an aerial segmentation, or geometry derived from those — how confident the measurement is, and, when there was imagery behind it, the date of that imagery.

It is not a playable course. There are no pin positions, no elevation model, no 3D, nothing a simulator could render a hole from. It is not a survey either: it is good enough to tell you a yardage, and it does not replace the markers on the course.

Corrections belong upstream

If an outline is wrong, the best place to fix it is OpenStreetMap, because that is where these packages start and a fix there reaches everybody rather than only us. Corrections we verify on the course go back there too.

Where the data comes from

Something wrong with the data

Write to us. A polygon in the wrong place is a fact about a file we can go and check, which is a better conversation than most.

support@18bogeys.app