Sha256: 08fa22cb4042ae2c39f97689256c9ffe983e2549e3c77ca33a784aeeaf452fe0
Contents?: true
Size: 366 Bytes
Versions: 4
Compression:
Stored size: 366 Bytes
Contents
function eckert1(λ, φ) {
var α = Math.sqrt(8 / (3 * π));
return [
α * λ * (1 - Math.abs(φ) / π),
α * φ
];
}
eckert1.invert = function(x, y) {
var α = Math.sqrt(8 / (3 * π)),
φ = y / α;
return [
x / (α * (1 - Math.abs(φ) / π)),
φ
];
};
(d3.geo.eckert1 = function() { return projection(eckert1); }).raw = eckert1;
Version data entries
4 entries across 4 versions & 1 rubygems