--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/geo/azimuthal-test.js Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,261 @@
+require("../env");
+require("../../d3");
+require("../../d3.geo");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("d3.geo.azimuthal");
+
+suite.addBatch({
+ "azimuthal.stereographic": {
+ topic: function() {
+ return d3.geo.azimuthal().mode("stereographic").translate([0, 0]).scale(100);
+ },
+ "origin": function(azimuthal) {
+ var coords = azimuthal([0, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Arctic": function(azimuthal) {
+ var coords = azimuthal([0, 85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], -91.633117, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ },
+ "Antarctic": function(azimuthal) {
+ var coords = azimuthal([0, -85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 91.633117, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], -85, 1e-6);
+ },
+ "Hawaii": function(azimuthal) {
+ var coords = azimuthal([-180, 0]);
+ assert.equal(coords[0], -Infinity);
+ assert.isTrue(isNaN(coords[1]));
+ },
+ "Phillipines": function(azimuthal) {
+ var coords = azimuthal([180, 0]);
+ assert.equal(coords[0], Infinity);
+ assert.isTrue(isNaN(coords[1]));
+ },
+ "Inversion works for non-zero translation": function() {
+ var azimuthal = d3.geo.azimuthal().mode("stereographic").translate([123, 99]).scale(100),
+ coords = azimuthal([0, 85]),
+ lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ }
+ },
+ "azimuthal.orthographic": {
+ topic: function() {
+ return d3.geo.azimuthal().mode("orthographic").translate([0, 0]).scale(100);
+ },
+ "origin": function(azimuthal) {
+ var coords = azimuthal([0, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Arctic": function(azimuthal) {
+ var coords = azimuthal([0, 85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], -99.619469, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ },
+ "Antarctic": function(azimuthal) {
+ var coords = azimuthal([0, -85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 99.619469, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], -85, 1e-6);
+ },
+ "Hawaii": function(azimuthal) {
+ var coords = azimuthal([-180, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Phillipines": function(azimuthal) {
+ var coords = azimuthal([180, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Inversion works for non-zero translation": function() {
+ var azimuthal = d3.geo.azimuthal().mode("orthographic").translate([123, 99]).scale(100),
+ coords = azimuthal([0, 85]),
+ lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ }
+ },
+ "azimuthal.gnomonic": {
+ topic: function() {
+ return d3.geo.azimuthal().mode("gnomonic").translate([0, 0]).scale(100);
+ },
+ "origin": function(azimuthal) {
+ var coords = azimuthal([0, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Arctic": function(azimuthal) {
+ var coords = azimuthal([0, 85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], -1143.005230, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ },
+ "Antarctic": function(azimuthal) {
+ var coords = azimuthal([0, -85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 1143.005230, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], -85, 1e-6);
+ },
+ "Hawaii": function(azimuthal) {
+ var coords = azimuthal([-180, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Phillipines": function(azimuthal) {
+ var coords = azimuthal([180, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Inversion works for non-zero translation": function() {
+ var azimuthal = d3.geo.azimuthal().mode("stereographic").translate([123, 99]).scale(100),
+ coords = azimuthal([0, 85]),
+ lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ }
+ },
+ "azimuthal.equidistant": {
+ topic: function() {
+ return d3.geo.azimuthal().mode("equidistant").translate([0, 0]).scale(100);
+ },
+ "origin": function(azimuthal) {
+ var coords = azimuthal([0, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Arctic": function(azimuthal) {
+ var coords = azimuthal([0, 85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], -148.352986, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ },
+ "Antarctic": function(azimuthal) {
+ var coords = azimuthal([0, -90]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 157.079632, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], -90, 1e-6);
+ },
+ "Hawaii": function(azimuthal) {
+ var coords = azimuthal([-180, 0]);
+ assert.inDelta(coords[0], -314.159265, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], -180, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Phillipines": function(azimuthal) {
+ var coords = azimuthal([180, 0]);
+ assert.inDelta(coords[0], 314.159265, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 180, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Inversion works for non-zero translation": function() {
+ var azimuthal = d3.geo.azimuthal().mode("stereographic").translate([123, 99]).scale(100),
+ coords = azimuthal([0, 85]),
+ lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ }
+ },
+ "azimuthal.equalarea": {
+ topic: function() {
+ return d3.geo.azimuthal().mode("equalarea").translate([0, 0]).scale(100);
+ },
+ "origin": function(azimuthal) {
+ var coords = azimuthal([0, 0]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 0, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 0, 1e-6);
+ },
+ "Arctic": function(azimuthal) {
+ var coords = azimuthal([0, 85]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], -135.118041, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ },
+ "Antarctic": function(azimuthal) {
+ var coords = azimuthal([0, -90]);
+ assert.inDelta(coords[0], 0, 1e-6);
+ assert.inDelta(coords[1], 141.421356, 1e-6);
+ var lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 180, 1e-6);
+ assert.inDelta(lonlat[1], -90, 1e-6);
+ },
+ "Hawaii": function(azimuthal) {
+ var coords = azimuthal([-180, 0]);
+ assert.equal(coords[0], -Infinity);
+ assert.isTrue(isNaN(coords[1]));
+ },
+ "Phillipines": function(azimuthal) {
+ var coords = azimuthal([180, 0]);
+ assert.equal(coords[0], Infinity);
+ assert.isTrue(isNaN(coords[1]));
+ },
+ "Inversion works for non-zero translation": function() {
+ var azimuthal = d3.geo.azimuthal().mode("stereographic").translate([123, 99]).scale(100),
+ coords = azimuthal([0, 85]),
+ lonlat = azimuthal.invert(coords);
+ assert.inDelta(lonlat[0], 0, 1e-6);
+ assert.inDelta(lonlat[1], 85, 1e-6);
+ }
+ }
+});
+
+suite.export(module);