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The reference (in the US, at least) is John Snyder's Map Projections--A Working Manual. The entire monograph is available as a Google book. Introductory sections give the theory. The theory is accessible to someone with a working knowledge of multivariate calculus. Emphasis is on documenting formulas, primarily series expansions needed for subsequent ...


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According to links provided by Andre Joost, I found the translation. And this is the projection for google.maps: function MProjection() { } MProjection.prototype.fromLatLngToPoint = function(latlng) { var x = (latlng.lng() + 180) / 360 * 256; var y = ((1 - Math.log(Math.tan(latlng.lat() * Math.PI / 180) + 1 / Math.cos(latlng.lat() * Math.PI / 180)) ...



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