New answers tagged wgs84
4
EPSG: 2163 is a Lambert azimuthal equal-area projection, and you can easily find a brief idea of the required formulas on the wikipedia page for Lambert azimuthal equal-area projection. Please note that these are valid for a sphere.
Since we work with an ellipsoid, you need more intricate forumlas.
My go to reference for projection related information is ...
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ESRI:102100 isn't WGS84 (EPSG:4326), but "WGS 1984 Web Mercator". The Mercator projection is conformal (maintains shapes) just like tranverse Mercator which is what British National Grid uses. However, it's generic for the entire world, while BNG's parameters have been customized for Britain, Scotland, and Wales to minimize distortions.
I am not surprised ...
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