Add PolarMap.js plugin to basemap providers
Add PolarMap.js plugin to basemap providers

PolarMap.js is a wrapper library around Leaflet that makes integration with the ArcticWebMap tile server easy.

http://webmap.arcticconnect.org/polarmap.html

The API has a simple layer that makes it easy to get started, and a lower-level layer that can be used to integrate with other Leaflet plugins or applications.

ArcticWebMap is a tile server our research lab runs and it provides OpenStreetMap data in five Arctic-focused projections: EPSG:3571 – EPSG:3576. In these projections, Arctic areas do not suffer from the distortion present in Web Mercator at the expense that everything below 45˚N is highly distorted. See the [ArcticWebMap](http://webmap.arcticconnect.org/index.html) page for an example. We are using [a fork of the openstreetmap-carto style](https://github.com/GeoSensorWebLab/awm-styles) that has been modified to include bathymetry data, more lake data, CanVec contour data (Canadian Territories only), and other enhancements for northern communities.

Both ArcticWebMap and PolarMap.js are a part of the [ArcticConnect research project](http://arcticconnect.org). If you have any questions, feel free to ask!
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