Credits and Licenses

WIZARD-OPS is built on the open source software and public data below. Each stays under its own license and belongs to its own authors.

Open the map · About and privacy · Security and data facts

Made with Claude assistance.

Open source software

Leaflet, interactive maps. BSD 2-Clause.
Copyright (c) 2010-2023 Vladimir Agafonkin; (c) 2010-2011 CloudMade. leafletjs.com

leaflet-rotate, map rotation. GNU General Public License v3.0.
By Raruto and contributors. Source: github.com/Raruto/leaflet-rotate. License: GPL-3.0 text.

Turf, geospatial calculations. MIT.
Copyright (c) 2019 Morgan Herlocker. turfjs.org. The copy here is modified to run without eval, to meet this site's security policy.

proj4js, map projections. MIT.
Copyright (c) Mike Adair, Richard Greenwood, Didier Richard, Stephen Irons, Olivier Terral, Calvin Metcalf and contributors. Source

mgrs, MGRS coordinates. MIT.
Copyright (c) proj4js contributors. Source

geomagnetism, magnetic variation. Apache License 2.0.
By Brandon Reavis and Natural Atlas. Source. License: Apache-2.0 text.

three.js, 3D views. MIT.
Copyright 2010-2023 Three.js Authors. threejs.org

milsymbol 3.0.5, unit symbols. MIT.
Copyright (c) 2017 Måns Beckman, spatialillusions.com. Source · license

html2canvas, image export. MIT.
Copyright (c) 2022 Niklas von Hertzen. html2canvas.hertzen.com

Bundled data

OurAirports, airfield list. Public domain. ourairports.com

Natural Earth, borders and place names. Public domain. naturalearthdata.com

mil-sym-ts, the symbol list (2,062 entries) and the line and area previews in Ops Terms & Graphics. Apache License 2.0.
Open-source symbol renderer. Source. The list was converted to JSON and the previews pre-rendered as SVG; the "most used" order is our own estimate. License: Apache-2.0 text.

Maps and live data

Maps, charts, elevation and weather come directly from their providers, each under its own terms, and credit for what is showing appears on the map and on the launch screen. Sentinel-2 cloudless imagery: EOxCloudless by EOX IT Services GmbH (contains modified Copernicus Sentinel data), non-commercial use. Elevation: Terrain Tiles on AWS, including data courtesy of the U.S. Geological Survey. Nav points near a spot: FAA Aeronautical Information Services open data (navaids and designated points, U.S.), OpenAIP (navaids and reporting points, CC BY-NC 4.0, openaip.net) and OurAirports.

License texts

Apache License 2.0, for geomagnetism and mil-sym-ts: full text.

MIT License, for Turf, proj4js, mgrs, three.js, milsymbol and html2canvas, with the copyright notices above:

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

BSD 2-Clause License, for Leaflet, with the copyright notice above:

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.