import “azimuthal”; import “geo”; import “projection”;

var d3_geo_gnomonic = d3_geo_azimuthal(

function(cosλcosφ) { return 1 / cosλcosφ; },
Math.atan

);

(d3.geo.gnomonic = function() {

return d3_geo_projection(d3_geo_gnomonic);

}).raw = d3_geo_gnomonic;