Sha256: c626420bbeaecdc45c1c46cc9bc9f1d005e4753fca1ae6c737d404e8b77e69d4
Contents?: true
Size: 388 Bytes
Versions: 4
Compression:
Stored size: 388 Bytes
Contents
import "projection";
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