Third Party License


@mapbox/sphericalmercator@1.1.0
Copyright (c) 2011, Development Seed
Licence BSD

DXF
https://www.npmjs.com/package/dxf
Copyright 2020 bjnortier
Licence MIT

JS-Clipper
http://sourceforge.net/projects/jsclipper
Copyright 2013 mathisonian
Licence BSL1.0

SheetJS
https://sheetjs.com/demo
Copyright (C) 2012-present SheetJS LLC
Licence Apache 2.0 License

SimpleHeatJS
Copyright (c) 2015, Vladimir Agafonkin
All rights reserved.

ThreeJS
http://threejs.com
Copyright 2010-2020, ThreeJS Authors
Licence MIT

Open Street Map API
https://www.openstreetmap.org/
Open Data Commons License
https://opendatacommons.org/licenses/odbl/1-0/

Mapbox API
https://www.mapbox.com/
Limited Free Tier

Leaflet
https://www.mapbox.com/
Limited Free Tier