arc - npm Package Compare versions

Comparing version 0.0.2 to 0.0.3

test/arc.test.js

arc.js

		@@ -126,3 +126,3 @@ var D2R = Math.PI / 180;
		//var maxx = 0;
		if (npoints <= 2) {
		if (!npoints \|\| npoints <= 2) {
		first_pass.push([this.start.lon, this.start.lat]);
		@@ -129,0 +129,0 @@ first_pass.push([this.end.lon, this.end.lat]);

package.json

		{
		"name": "arc",
		"version": "0.0.3",
		"description": "draw great circle arcs",
		"url": "https://github.com/springmeyer/arc.js",
		"keywords": [
		"maps",
		"spherical",
		"globe",
		"rhumb line",
		"crow flies",
		"great circle"
		"maps",
		"spherical",
		"globe",
		"rhumb line",
		"crow flies",
		"great circle"
		],
		"contributors": [
		"Dane Springmeyer <dane@dbsgeo.com>"
		"Dane Springmeyer <dane@dbsgeo.com>"
		],
		"version": "0.0.2",
		"repository" : {
		"type" : "git",
		"url" : "git://github.com/springmeyer/arc.js.git"
		},
		"licenses": [{
		"type": "BSD"
		"type": "BSD"
		}],
		"main": "./index",
		"engines": {
		"node": ">=0.4.0"
		"node": ">=0.4.0"
		},
		"dependencies": {
		},
		"devDependencies": {
		"scripts" : {
		"test" : "mocha -R spec"
		}
		}

README.md

		@@ -17,14 +17,36 @@ # arc.js

		The idea is you may have one or many start and end points.
		Require the library in node.js like:

		Create Coordinate pairs from the longitude (x) and latitude (y) values
		of each place and pass these (and optionally a properties object), to the GreatCircle
		constructor:

		var arc = require('arc');

		Use in the browser like:

		<script src="./arc.js"></script>

		The API works like so:

		1) Create start and end coordinates

		First we need to declare where the arc should start and end

		var start = new arc.Coord(-122, 48);
		var end = new arc.Coord(-77, 39);

		These are `[lon,lat]` pairs like GeoJSON. Be aware that Leaflet uses `[lat,lon]` order [currently](https://github.com/Leaflet/Leaflet/issues/1455).

		2) Create GreatCircle object

		Next we pass the start/end to the `GreatCircle` constructor, along with an optional object representing the properties for this future line.

		var gc = new arc.GreatCircle(start, end, {'name': 'Seattle to DC'});
		var line = gc.Arc(6);

		3) Generate a line

		Then call the `Arc` function to generate a line:

		var npoints = 6;
		var line = gc.Arc(npoints);

		The `npoints` argument specifies the number of intermediate vertices you want in the resulting line. The higher the number the more dense and accurate the line will be.

		Then `line` will be a raw sequence of the start and end coordinates plus an arc of
		@@ -44,5 +66,4 @@ intermediate coordinate pairs.

		You can then serialize to a GeoJSON geometry:

		You can then serialize to a GeoJSON geometry format:

		> line.json();
		@@ -55,2 +76,3 @@ { geometry:


		Or to WKT (Well known text):
		@@ -61,4 +83,3 @@

		It is then up to you to add up these features to create fully fledged geodata. See the examples/ directory
		for sample code to create a GeoJSON file from multiple routes.

		It is then up to you to add up these features to create fully fledged geodata. See the examples/ directory for sample code to create GeoJSON feature collection from multiple routes.

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