leaflet-omnivore.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var o;"undefined"!=typeof window?o=window:"undefined"!=typeof global?o=global:"undefined"!=typeof self&&(o=self),o.omnivore=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var xhr = require('corslite'),
    csv2geojson = require('csv2geojson'),
    wellknown = require('wellknown'),
    polyline = require('polyline'),
    topojson = require('topojson/topojson.js'),
    toGeoJSON = require('togeojson');

module.exports.polyline = polylineLoad;
module.exports.polyline.parse = polylineParse;

module.exports.geojson = geojsonLoad;

module.exports.topojson = topojsonLoad;
module.exports.topojson.parse = topojsonParse;

module.exports.csv = csvLoad;
module.exports.csv.parse = csvParse;

module.exports.gpx = gpxLoad;
module.exports.gpx.parse = gpxParse;

module.exports.kml = kmlLoad;
module.exports.kml.parse = kmlParse;

module.exports.wkt = wktLoad;
module.exports.wkt.parse = wktParse;

function addData(l, d) {
    if ('addData' in l) l.addData(d);
    if ('setGeoJSON' in l) l.setGeoJSON(d);
}

/**
 * Load a [GeoJSON](http://geojson.org/) document into a layer and return the layer.
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function geojsonLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, function(err, response) {
        if (err) return layer.fire('error', { error: err });
        addData(layer, JSON.parse(response.responseText));
        layer.fire('ready');
    });
    return layer;
}

/**
 * Load a [TopoJSON](https://github.com/mbostock/topojson) document into a layer and return the layer.
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function topojsonLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, onload);
    function onload(err, response) {
        if (err) return layer.fire('error', { error: err });
        topojsonParse(response.responseText, options, layer);
        layer.fire('ready');
    }
    return layer;
}

/**
 * Load a CSV document into a layer and return the layer.
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function csvLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, onload);
    function onload(err, response) {
        var error;
        if (err) return layer.fire('error', { error: err });
        function avoidReady() {
            error = true;
        }
        layer.on('error', avoidReady);
        csvParse(response.responseText, options, layer);
        layer.off('error', avoidReady);
        if (!error) layer.fire('ready');
    }
    return layer;
}

/**
 * Load a GPX document into a layer and return the layer.
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function gpxLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, onload);
    function onload(err, response) {
        var error;
        if (err) return layer.fire('error', { error: err });
        function avoidReady() {
            error = true;
        }
        layer.on('error', avoidReady);
        gpxParse(response.responseXML || response.responseText, options, layer);
        layer.off('error', avoidReady);
        if (!error) layer.fire('ready');
    }
    return layer;
}

/**
 * Load a [KML](https://developers.google.com/kml/documentation/) document into a layer and return the layer.
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function kmlLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, onload);
    function onload(err, response) {
        var error;
        if (err) return layer.fire('error', { error: err });
        function avoidReady() {
            error = true;
        }
        layer.on('error', avoidReady);
        kmlParse(response.responseXML || response.responseText, options, layer);
        layer.off('error', avoidReady);
        if (!error) layer.fire('ready');
    }
    return layer;
}

/**
 * Load a WKT (Well Known Text) string into a layer and return the layer
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function wktLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, onload);
    function onload(err, response) {
        if (err) return layer.fire('error', { error: err });
        wktParse(response.responseText, options, layer);
        layer.fire('ready');
    }
    return layer;
}

/**
 * Load a polyline string into a layer and return the layer
 *
 * @param {string} url
 * @param {object} options
 * @param {object} customLayer
 * @returns {object}
 */
function polylineLoad(url, options, customLayer) {
    var layer = customLayer || L.geoJson();
    xhr(url, onload);
    function onload(err, response) {
        if (err) return layer.fire('error', { error: err });
        polylineParse(response.responseText, options, layer);
        layer.fire('ready');
    }
    return layer;
}

function topojsonParse(data, options, layer) {
    var o = typeof data === 'string' ?
        JSON.parse(data) : data;
    layer = layer || L.geoJson();
    for (var i in o.objects) {
        var ft = topojson.feature(o, o.objects[i]);
        if (ft.features) addData(layer, ft.features);
        else addData(layer, ft);
    }
    return layer;
}

function csvParse(csv, options, layer) {
    layer = layer || L.geoJson();
    options = options || {};
    csv2geojson.csv2geojson(csv, options, onparse);
    function onparse(err, geojson) {
        if (err) return layer.fire('error', { error: err });
        addData(layer, geojson);
    }
    return layer;
}

function gpxParse(gpx, options, layer) {
    var xml = parseXML(gpx);
    if (!xml) return layer.fire('error', {
        error: 'Could not parse GPX'
    });
    layer = layer || L.geoJson();
    var geojson = toGeoJSON.gpx(xml);
    addData(layer, geojson);
    return layer;
}


function kmlParse(gpx, options, layer) {
    var xml = parseXML(gpx);
    if (!xml) return layer.fire('error', {
        error: 'Could not parse KML'
    });
    layer = layer || L.geoJson();
    var geojson = toGeoJSON.kml(xml);
    addData(layer, geojson);
    return layer;
}

function polylineParse(txt, options, layer) {
    layer = layer || L.geoJson();
    options = options || {};
    var coords = polyline.decode(txt, options.precision);
    var geojson = { type: 'LineString', coordinates: [] };
    for (var i = 0; i < coords.length; i++) {
        // polyline returns coords in lat, lng order, so flip for geojson
        geojson.coordinates[i] = [coords[i][1], coords[i][0]];
    }
    addData(layer, geojson);
    return layer;
}

function wktParse(wkt, options, layer) {
    layer = layer || L.geoJson();
    var geojson = wellknown(wkt);
    addData(layer, geojson);
    return layer;
}

function parseXML(str) {
    if (typeof str === 'string') {
        return (new DOMParser()).parseFromString(str, 'text/xml');
    } else {
        return str;
    }
}

},{"corslite":5,"csv2geojson":6,"polyline":9,"togeojson":10,"topojson/topojson.js":11,"wellknown":12}],2:[function(require,module,exports){

},{}],3:[function(require,module,exports){
module.exports=require(2)
},{"/Users/tmcw/src/leaflet-omnivore/node_modules/browserify/lib/_empty.js":2}],4:[function(require,module,exports){
// shim for using process in browser

var process = module.exports = {};

process.nextTick = (function () {
    var canSetImmediate = typeof window !== 'undefined'
    && window.setImmediate;
    var canMutationObserver = typeof window !== 'undefined'
    && window.MutationObserver;
    var canPost = typeof window !== 'undefined'
    && window.postMessage && window.addEventListener
    ;

    if (canSetImmediate) {
        return function (f) { return window.setImmediate(f) };
    }

    var queue = [];

    if (canMutationObserver) {
        var hiddenDiv = document.createElement("div");
        var observer = new MutationObserver(function () {
            var queueList = queue.slice();
            queue.length = 0;
            queueList.forEach(function (fn) {
                fn();
            });
        });

        observer.observe(hiddenDiv, { attributes: true });

        return function nextTick(fn) {
            if (!queue.length) {
                hiddenDiv.setAttribute('yes', 'no');
            }
            queue.push(fn);
        };
    }

    if (canPost) {
        window.addEventListener('message', function (ev) {
            var source = ev.source;
            if ((source === window || source === null) && ev.data === 'process-tick') {
                ev.stopPropagation();
                if (queue.length > 0) {
                    var fn = queue.shift();
                    fn();
                }
            }
        }, true);

        return function nextTick(fn) {
            queue.push(fn);
            window.postMessage('process-tick', '*');
        };
    }

    return function nextTick(fn) {
        setTimeout(fn, 0);
    };
})();

process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};

},{}],5:[function(require,module,exports){
function corslite(url, callback, cors) {
    var sent = false;

    if (typeof window.XMLHttpRequest === 'undefined') {
        return callback(Error('Browser not supported'));
    }

    if (typeof cors === 'undefined') {
        var m = url.match(/^\s*https?:\/\/[^\/]*/);
        cors = m && (m[0] !== location.protocol + '//' + location.domain +
                (location.port ? ':' + location.port : ''));
    }

    var x = new window.XMLHttpRequest();

    function isSuccessful(status) {
        return status >= 200 && status < 300 || status === 304;
    }

    if (cors && !('withCredentials' in x)) {
        // IE8-9
        x = new window.XDomainRequest();

        // Ensure callback is never called synchronously, i.e., before
        // x.send() returns (this has been observed in the wild).
        // See https://github.com/mapbox/mapbox.js/issues/472
        var original = callback;
        callback = function() {
            if (sent) {
                original.apply(this, arguments);
            } else {
                var that = this, args = arguments;
                setTimeout(function() {
                    original.apply(that, args);
                }, 0);
            }
        }
    }

    function loaded() {
        if (
            // XDomainRequest
            x.status === undefined ||
            // modern browsers
            isSuccessful(x.status)) callback.call(x, null, x);
        else callback.call(x, x, null);
    }

    // Both `onreadystatechange` and `onload` can fire. `onreadystatechange`
    // has [been supported for longer](http://stackoverflow.com/a/9181508/229001).
    if ('onload' in x) {
        x.onload = loaded;
    } else {
        x.onreadystatechange = function readystate() {
            if (x.readyState === 4) {
                loaded();
            }
        };
    }

    // Call the callback with the XMLHttpRequest object as an error and prevent
    // it from ever being called again by reassigning it to `noop`
    x.onerror = function error(evt) {
        // XDomainRequest provides no evt parameter
        callback.call(this, evt || true, null);
        callback = function() { };
    };

    // IE9 must have onprogress be set to a unique function.
    x.onprogress = function() { };

    x.ontimeout = function(evt) {
        callback.call(this, evt, null);
        callback = function() { };
    };

    x.onabort = function(evt) {
        callback.call(this, evt, null);
        callback = function() { };
    };

    // GET is the only supported HTTP Verb by XDomainRequest and is the
    // only one supported here.
    x.open('GET', url, true);

    // Send the request. Sending data is not supported.
    x.send(null);
    sent = true;

    return x;
}

if (typeof module !== 'undefined') module.exports = corslite;

},{}],6:[function(require,module,exports){
var dsv = require('dsv'),
    sexagesimal = require('sexagesimal');

function isLat(f) { return !!f.match(/(Lat)(itude)?/gi); }
function isLon(f) { return !!f.match(/(L)(on|ng)(gitude)?/i); }

function keyCount(o) {
    return (typeof o == 'object') ? Object.keys(o).length : 0;
}

function autoDelimiter(x) {
    var delimiters = [',', ';', '\t', '|'];
    var results = [];

    delimiters.forEach(function(delimiter) {
        var res = dsv(delimiter).parse(x);
        if (res.length >= 1) {
            var count = keyCount(res[0]);
            for (var i = 0; i < res.length; i++) {
                if (keyCount(res[i]) !== count) return;
            }
            results.push({
                delimiter: delimiter,
                arity: Object.keys(res[0]).length,
            });
        }
    });

    if (results.length) {
        return results.sort(function(a, b) {
            return b.arity - a.arity;
        })[0].delimiter;
    } else {
        return null;
    }
}

function auto(x) {
    var delimiter = autoDelimiter(x);
    if (!delimiter) return null;
    return dsv(delimiter).parse(x);
}

function csv2geojson(x, options, callback) {

    if (!callback) {
        callback = options;
        options = {};
    }

    options.delimiter = options.delimiter || ',';

    var latfield = options.latfield || '',
        lonfield = options.lonfield || '';

    var features = [],
        featurecollection = { type: 'FeatureCollection', features: features };

    if (options.delimiter === 'auto' && typeof x == 'string') {
        options.delimiter = autoDelimiter(x);
        if (!options.delimiter) return callback({
            type: 'Error',
            message: 'Could not autodetect delimiter'
        });
    }

    var parsed = (typeof x == 'string') ? dsv(options.delimiter).parse(x) : x;

    if (!parsed.length) return callback(null, featurecollection);

    if (!latfield || !lonfield) {
        for (var f in parsed[0]) {
            if (!latfield && isLat(f)) latfield = f;
            if (!lonfield && isLon(f)) lonfield = f;
        }
        if (!latfield || !lonfield) {
            var fields = [];
            for (var k in parsed[0]) fields.push(k);
            return callback({
                type: 'Error',
                message: 'Latitude and longitude fields not present',
                data: parsed,
                fields: fields
            });
        }
    }

    var errors = [];

    for (var i = 0; i < parsed.length; i++) {
        if (parsed[i][lonfield] !== undefined &&
            parsed[i][lonfield] !== undefined) {

            var lonk = parsed[i][lonfield],
                latk = parsed[i][latfield],
                lonf, latf,
                a;

            a = sexagesimal(lonk, 'EW');
            if (a) lonk = a;
            a = sexagesimal(latk, 'NS');
            if (a) latk = a;

            lonf = parseFloat(lonk);
            latf = parseFloat(latk);

            if (isNaN(lonf) ||
                isNaN(latf)) {
                errors.push({
                    message: 'A row contained an invalid value for latitude or longitude',
                    row: parsed[i]
                });
            } else {
                if (!options.includeLatLon) {
                    delete parsed[i][lonfield];
                    delete parsed[i][latfield];
                }

                features.push({
                    type: 'Feature',
                    properties: parsed[i],
                    geometry: {
                        type: 'Point',
                        coordinates: [
                            parseFloat(lonf),
                            parseFloat(latf)
                        ]
                    }
                });
            }
        }
    }

    callback(errors.length ? errors: null, featurecollection);
}

function toLine(gj) {
    var features = gj.features;
    var line = {
        type: 'Feature',
        geometry: {
            type: 'LineString',
            coordinates: []
        }
    };
    for (var i = 0; i < features.length; i++) {
        line.geometry.coordinates.push(features[i].geometry.coordinates);
    }
    line.properties = features[0].properties;
    return {
        type: 'FeatureCollection',
        features: [line]
    };
}

function toPolygon(gj) {
    var features = gj.features;
    var poly = {
        type: 'Feature',
        geometry: {
            type: 'Polygon',
            coordinates: [[]]
        }
    };
    for (var i = 0; i < features.length; i++) {
        poly.geometry.coordinates[0].push(features[i].geometry.coordinates);
    }
    poly.properties = features[0].properties;
    return {
        type: 'FeatureCollection',
        features: [poly]
    };
}

module.exports = {
    isLon: isLon,
    isLat: isLat,
    csv: dsv.csv.parse,
    tsv: dsv.tsv.parse,
    dsv: dsv,
    auto: auto,
    csv2geojson: csv2geojson,
    toLine: toLine,
    toPolygon: toPolygon
};

},{"dsv":7,"sexagesimal":8}],7:[function(require,module,exports){
var fs = require("fs");

module.exports = new Function("dsv.version = \"0.0.3\";\n\ndsv.tsv = dsv(\"\\t\");\ndsv.csv = dsv(\",\");\n\nfunction dsv(delimiter) {\n  var dsv = {},\n      reFormat = new RegExp(\"[\\\"\" + delimiter + \"\\n]\"),\n      delimiterCode = delimiter.charCodeAt(0);\n\n  dsv.parse = function(text, f) {\n    var o;\n    return dsv.parseRows(text, function(row, i) {\n      if (o) return o(row, i - 1);\n      var a = new Function(\"d\", \"return {\" + row.map(function(name, i) {\n        return JSON.stringify(name) + \": d[\" + i + \"]\";\n      }).join(\",\") + \"}\");\n      o = f ? function(row, i) { return f(a(row), i); } : a;\n    });\n  };\n\n  dsv.parseRows = function(text, f) {\n    var EOL = {}, // sentinel value for end-of-line\n        EOF = {}, // sentinel value for end-of-file\n        rows = [], // output rows\n        N = text.length,\n        I = 0, // current character index\n        n = 0, // the current line number\n        t, // the current token\n        eol; // is the current token followed by EOL?\n\n    function token() {\n      if (I >= N) return EOF; // special case: end of file\n      if (eol) return eol = false, EOL; // special case: end of line\n\n      // special case: quotes\n      var j = I;\n      if (text.charCodeAt(j) === 34) {\n        var i = j;\n        while (i++ < N) {\n          if (text.charCodeAt(i) === 34) {\n            if (text.charCodeAt(i + 1) !== 34) break;\n            ++i;\n          }\n        }\n        I = i + 2;\n        var c = text.charCodeAt(i + 1);\n        if (c === 13) {\n          eol = true;\n          if (text.charCodeAt(i + 2) === 10) ++I;\n        } else if (c === 10) {\n          eol = true;\n        }\n        return text.substring(j + 1, i).replace(/\"\"/g, \"\\\"\");\n      }\n\n      // common case: find next delimiter or newline\n      while (I < N) {\n        var c = text.charCodeAt(I++), k = 1;\n        if (c === 10) eol = true; // \\n\n        else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \\r|\\r\\n\n        else if (c !== delimiterCode) continue;\n        return text.substring(j, I - k);\n      }\n\n      // special case: last token before EOF\n      return text.substring(j);\n    }\n\n    while ((t = token()) !== EOF) {\n      var a = [];\n      while (t !== EOL && t !== EOF) {\n        a.push(t);\n        t = token();\n      }\n      if (f && !(a = f(a, n++))) continue;\n      rows.push(a);\n    }\n\n    return rows;\n  };\n\n  dsv.format = function(rows) {\n    if (Array.isArray(rows[0])) return dsv.formatRows(rows); // deprecated; use formatRows\n    var fieldSet = {}, fields = [];\n\n    // Compute unique fields in order of discovery.\n    rows.forEach(function(row) {\n      for (var field in row) {\n        if (!(field in fieldSet)) {\n          fields.push(fieldSet[field] = field);\n        }\n      }\n    });\n\n    return [fields.map(formatValue).join(delimiter)].concat(rows.map(function(row) {\n      return fields.map(function(field) {\n        return formatValue(row[field]);\n      }).join(delimiter);\n    })).join(\"\\n\");\n  };\n\n  dsv.formatRows = function(rows) {\n    return rows.map(formatRow).join(\"\\n\");\n  };\n\n  function formatRow(row) {\n    return row.map(formatValue).join(delimiter);\n  }\n\n  function formatValue(text) {\n    return reFormat.test(text) ? \"\\\"\" + text.replace(/\\\"/g, \"\\\"\\\"\") + \"\\\"\" : text;\n  }\n\n  return dsv;\n}\n" + ";return dsv")();

},{"fs":2}],8:[function(require,module,exports){
module.exports = function(x, dims) {
    if (!dims) dims = 'NSEW';
    if (typeof x !== 'string') return null;
    var r = /^([0-9.]+)°? *(?:([0-9.]+)['’′‘] *)?(?:([0-9.]+)(?:''|"|”|″) *)?([NSEW])?/,
        m = x.match(r);
    if (!m) return null;
    else if (m[4] && dims.indexOf(m[4]) === -1) return null;
    else return (((m[1]) ? parseFloat(m[1]) : 0) +
        ((m[2] ? parseFloat(m[2]) / 60 : 0)) +
        ((m[3] ? parseFloat(m[3]) / 3600 : 0))) *
        ((m[4] && m[4] === 'S' || m[4] === 'W') ? -1 : 1);
};

},{}],9:[function(require,module,exports){
var polyline = {};

// Based off of [the offical Google document](https://developers.google.com/maps/documentation/utilities/polylinealgorithm)
//
// Some parts from [this implementation](http://facstaff.unca.edu/mcmcclur/GoogleMaps/EncodePolyline/PolylineEncoder.js)
// by [Mark McClure](http://facstaff.unca.edu/mcmcclur/)

function encode(coordinate, factor) {
    coordinate = Math.round(coordinate * factor);
    coordinate <<= 1;
    if (coordinate < 0) {
        coordinate = ~coordinate;
    }
    var output = '';
    while (coordinate >= 0x20) {
        output += String.fromCharCode((0x20 | (coordinate & 0x1f)) + 63);
        coordinate >>= 5;
    }
    output += String.fromCharCode(coordinate + 63);
    return output;
}

// This is adapted from the implementation in Project-OSRM
// https://github.com/DennisOSRM/Project-OSRM-Web/blob/master/WebContent/routing/OSRM.RoutingGeometry.js
polyline.decode = function(str, precision) {
    var index = 0,
        lat = 0,
        lng = 0,
        coordinates = [],
        shift = 0,
        result = 0,
        byte = null,
        latitude_change,
        longitude_change,
        factor = Math.pow(10, precision || 5);

    // Coordinates have variable length when encoded, so just keep
    // track of whether we've hit the end of the string. In each
    // loop iteration, a single coordinate is decoded.
    while (index < str.length) {

        // Reset shift, result, and byte
        byte = null;
        shift = 0;
        result = 0;

        do {
            byte = str.charCodeAt(index++) - 63;
            result |= (byte & 0x1f) << shift;
            shift += 5;
        } while (byte >= 0x20);

        latitude_change = ((result & 1) ? ~(result >> 1) : (result >> 1));

        shift = result = 0;

        do {
            byte = str.charCodeAt(index++) - 63;
            result |= (byte & 0x1f) << shift;
            shift += 5;
        } while (byte >= 0x20);

        longitude_change = ((result & 1) ? ~(result >> 1) : (result >> 1));

        lat += latitude_change;
        lng += longitude_change;

        coordinates.push([lat / factor, lng / factor]);
    }

    return coordinates;
};

polyline.encode = function(coordinates, precision) {
    if (!coordinates.length) return '';

    var factor = Math.pow(10, precision || 5),
        output = encode(coordinates[0][0], factor) + encode(coordinates[0][1], factor);

    for (var i = 1; i < coordinates.length; i++) {
        var a = coordinates[i], b = coordinates[i - 1];
        output += encode(a[0] - b[0], factor);
        output += encode(a[1] - b[1], factor);
    }

    return output;
};

if (typeof module !== undefined) module.exports = polyline;

},{}],10:[function(require,module,exports){
(function (process){
toGeoJSON = (function() {
    'use strict';

    var removeSpace = (/\s*/g),
        trimSpace = (/^\s*|\s*$/g),
        splitSpace = (/\s+/);
    // generate a short, numeric hash of a string
    function okhash(x) {
        if (!x || !x.length) return 0;
        for (var i = 0, h = 0; i < x.length; i++) {
            h = ((h << 5) - h) + x.charCodeAt(i) | 0;
        } return h;
    }
    // all Y children of X
    function get(x, y) { return x.getElementsByTagName(y); }
    function attr(x, y) { return x.getAttribute(y); }
    function attrf(x, y) { return parseFloat(attr(x, y)); }
    // one Y child of X, if any, otherwise null
    function get1(x, y) { var n = get(x, y); return n.length ? n[0] : null; }
    // https://developer.mozilla.org/en-US/docs/Web/API/Node.normalize
    function norm(el) { if (el.normalize) { el.normalize(); } return el; }
    // cast array x into numbers
    function numarray(x) {
        for (var j = 0, o = []; j < x.length; j++) o[j] = parseFloat(x[j]);
        return o;
    }
    function clean(x) {
        var o = {};
        for (var i in x) if (x[i]) o[i] = x[i];
        return o;
    }
    // get the content of a text node, if any
    function nodeVal(x) {
        if (x) { norm(x); }
        return (x && x.firstChild && x.firstChild.nodeValue) || '';
    }
    // get one coordinate from a coordinate array, if any
    function coord1(v) { return numarray(v.replace(removeSpace, '').split(',')); }
    // get all coordinates from a coordinate array as [[],[]]
    function coord(v) {
        var coords = v.replace(trimSpace, '').split(splitSpace),
            o = [];
        for (var i = 0; i < coords.length; i++) {
            o.push(coord1(coords[i]));
        }
        return o;
    }
    function coordPair(x) {
        var ll = [attrf(x, 'lon'), attrf(x, 'lat')],
            ele = get1(x, 'ele'),
            time = get1(x, 'time');
        if (ele) ll.push(parseFloat(nodeVal(ele)));
        return {
            coordinates: ll,
            time: time ? nodeVal(time) : null
        };
    }

    // create a new feature collection parent object
    function fc() {
        return {
            type: 'FeatureCollection',
            features: []
        };
    }

    var serializer;
    if (typeof XMLSerializer !== 'undefined') {
        serializer = new XMLSerializer();
    // only require xmldom in a node environment
    } else if (typeof exports === 'object' && typeof process === 'object' && !process.browser) {
        serializer = new (require('xmldom').XMLSerializer)();
    }
    function xml2str(str) {
        // IE9 will create a new XMLSerializer but it'll crash immediately.
        if (str.xml !== undefined) return str.xml;
        return serializer.serializeToString(str);
    }

    var t = {
        kml: function(doc) {

            var gj = fc(),
                // styleindex keeps track of hashed styles in order to match features
                styleIndex = {},
                // atomic geospatial types supported by KML - MultiGeometry is
                // handled separately
                geotypes = ['Polygon', 'LineString', 'Point', 'Track', 'gx:Track'],
                // all root placemarks in the file
                placemarks = get(doc, 'Placemark'),
                styles = get(doc, 'Style');

            for (var k = 0; k < styles.length; k++) {
                styleIndex['#' + attr(styles[k], 'id')] = okhash(xml2str(styles[k])).toString(16);
            }
            for (var j = 0; j < placemarks.length; j++) {
                gj.features = gj.features.concat(getPlacemark(placemarks[j]));
            }
            function kmlColor(v) {
                var color, opacity;
                v = v || "";
                if (v.substr(0, 1) === "#") v = v.substr(1);
                if (v.length === 6 || v.length === 3) color = v;
                if (v.length === 8) {
                    opacity = parseInt(v.substr(0, 2), 16) / 255;
                    color = v.substr(2);
                }
                return [color, isNaN(opacity) ? undefined : opacity];
            }
            function gxCoord(v) { return numarray(v.split(' ')); }
            function gxCoords(root) {
                var elems = get(root, 'coord', 'gx'), coords = [], times = [];
                if (elems.length === 0) elems = get(root, 'gx:coord');
                for (var i = 0; i < elems.length; i++) coords.push(gxCoord(nodeVal(elems[i])));
                var timeElems = get(root, 'when');
                for (var i = 0; i < timeElems.length; i++) times.push(nodeVal(timeElems[i]));
                return {
                    coords: coords,
                    times: times
                };
            }
            function getGeometry(root) {
                var geomNode, geomNodes, i, j, k, geoms = [], coordTimes = [];
                if (get1(root, 'MultiGeometry')) return getGeometry(get1(root, 'MultiGeometry'));
                if (get1(root, 'MultiTrack')) return getGeometry(get1(root, 'MultiTrack'));
                if (get1(root, 'gx:MultiTrack')) return getGeometry(get1(root, 'gx:MultiTrack'));
                for (i = 0; i < geotypes.length; i++) {
                    geomNodes = get(root, geotypes[i]);
                    if (geomNodes) {
                        for (j = 0; j < geomNodes.length; j++) {
                            geomNode = geomNodes[j];
                            if (geotypes[i] == 'Point') {
                                geoms.push({
                                    type: 'Point',
                                    coordinates: coord1(nodeVal(get1(geomNode, 'coordinates')))
                                });
                            } else if (geotypes[i] == 'LineString') {
                                geoms.push({
                                    type: 'LineString',
                                    coordinates: coord(nodeVal(get1(geomNode, 'coordinates')))
                                });
                            } else if (geotypes[i] == 'Polygon') {
                                var rings = get(geomNode, 'LinearRing'),
                                    coords = [];
                                for (k = 0; k < rings.length; k++) {
                                    coords.push(coord(nodeVal(get1(rings[k], 'coordinates'))));
                                }
                                geoms.push({
                                    type: 'Polygon',
                                    coordinates: coords
                                });
                            } else if (geotypes[i] == 'Track' ||
                                geotypes[i] == 'gx:Track') {
                                var track = gxCoords(geomNode);
                                geoms.push({
                                    type: 'LineString',
                                    coordinates: track.coords
                                });
                                if (track.times.length) coordTimes.push(track.times);
                            }
                        }
                    }
                }
                return {
                    geoms: geoms,
                    coordTimes: coordTimes
                };
            }
            function getPlacemark(root) {
                var geomsAndTimes = getGeometry(root), i, properties = {},
                    name = nodeVal(get1(root, 'name')),
                    styleUrl = nodeVal(get1(root, 'styleUrl')),
                    description = nodeVal(get1(root, 'description')),
                    timeSpan = get1(root, 'TimeSpan'),
                    extendedData = get1(root, 'ExtendedData'),
                    lineStyle = get1(root, 'LineStyle'),
                    polyStyle = get1(root, 'PolyStyle');

                if (!geomsAndTimes.geoms.length) return [];
                if (name) properties.name = name;
                if (styleUrl && styleIndex[styleUrl]) {
                    properties.styleUrl = styleUrl;
                    properties.styleHash = styleIndex[styleUrl];
                }
                if (description) properties.description = description;
                if (timeSpan) {
                    var begin = nodeVal(get1(timeSpan, 'begin'));
                    var end = nodeVal(get1(timeSpan, 'end'));
                    properties.timespan = { begin: begin, end: end };
                }
                if (lineStyle) {
                    var linestyles = kmlColor(nodeVal(get1(lineStyle, 'color'))),
                        color = linestyles[0],
                        opacity = linestyles[1],
                        width = parseFloat(nodeVal(get1(lineStyle, 'width')));
                    if (color) properties.stroke = color;
                    if (!isNaN(opacity)) properties['stroke-opacity'] = opacity;
                    if (!isNaN(width)) properties['stroke-width'] = width;
                }
                if (polyStyle) {
                    var polystyles = kmlColor(nodeVal(get1(polyStyle, 'color'))),
                        pcolor = polystyles[0],
                        popacity = polystyles[1],
                        fill = nodeVal(get1(polyStyle, 'fill')),
                        outline = nodeVal(get1(polyStyle, 'outline'));
                    if (pcolor) properties.fill = pcolor;
                    if (!isNaN(popacity)) properties['fill-opacity'] = popacity;
                    if (fill) properties['fill-opacity'] = fill === "1" ? 1 : 0;
                    if (outline) properties['stroke-opacity'] = outline === "1" ? 1 : 0;
                }
                if (extendedData) {
                    var datas = get(extendedData, 'Data'),
                        simpleDatas = get(extendedData, 'SimpleData');

                    for (i = 0; i < datas.length; i++) {
                        properties[datas[i].getAttribute('name')] = nodeVal(get1(datas[i], 'value'));
                    }
                    for (i = 0; i < simpleDatas.length; i++) {
                        properties[simpleDatas[i].getAttribute('name')] = nodeVal(simpleDatas[i]);
                    }
                }
                if (geomsAndTimes.coordTimes.length) {
                    properties.coordTimes = (geomsAndTimes.coordTimes.length === 1) ?
                        geomsAndTimes.coordTimes[0] : geomsAndTimes.coordTimes;
                }
                var feature = {
                    type: 'Feature',
                    geometry: (geomsAndTimes.geoms.length === 1) ? geomsAndTimes.geoms[0] : {
                        type: 'GeometryCollection',
                        geometries: geomsAndTimes.geoms
                    },
                    properties: properties
                };
                if (attr(root, 'id')) feature.id = attr(root, 'id');
                return [feature];
            }
            return gj;
        },
        gpx: function(doc) {
            var i,
                tracks = get(doc, 'trk'),
                routes = get(doc, 'rte'),
                waypoints = get(doc, 'wpt'),
                // a feature collection
                gj = fc(),
                feature;
            for (i = 0; i < tracks.length; i++) {
                feature = getTrack(tracks[i]);
                if (feature) gj.features.push(feature);
            }
            for (i = 0; i < routes.length; i++) {
                feature = getRoute(routes[i]);
                if (feature) gj.features.push(feature);
            }
            for (i = 0; i < waypoints.length; i++) {
                gj.features.push(getPoint(waypoints[i]));
            }
            function getPoints(node, pointname) {
                var pts = get(node, pointname), line = [], times = [],
                    l = pts.length;
                if (l < 2) return;  // Invalid line in GeoJSON
                for (var i = 0; i < l; i++) {
                    var c = coordPair(pts[i]);
                    line.push(c.coordinates);
                    if (c.time) times.push(c.time);
                }
                return {
                    line: line,
                    times: times
                };
            }
            function getTrack(node) {
                var segments = get(node, 'trkseg'), track = [], times = [], line;
                for (var i = 0; i < segments.length; i++) {
                    line = getPoints(segments[i], 'trkpt');
                    if (line.line) track.push(line.line);
                    if (line.times.length) times.push(line.times);
                }
                if (track.length === 0) return;
                var properties = getProperties(node);
                if (times.length) properties.coordTimes = track.length === 1 ? times[0] : times;
                return {
                    type: 'Feature',
                    properties: properties,
                    geometry: {
                        type: track.length === 1 ? 'LineString' : 'MultiLineString',
                        coordinates: track.length === 1 ? track[0] : track
                    }
                };
            }
            function getRoute(node) {
                var line = getPoints(node, 'rtept');
                if (!line) return;
                var routeObj = {
                    type: 'Feature',
                    properties: getProperties(node),
                    geometry: {
                        type: 'LineString',
                        coordinates: line
                    }
                };
                if (line.times.length) routeObj.geometry.times = line.times;
                return routeObj;
            }
            function getPoint(node) {
                var prop = getProperties(node);
                prop.sym = nodeVal(get1(node, 'sym'));
                return {
                    type: 'Feature',
                    properties: prop,
                    geometry: {
                        type: 'Point',
                        coordinates: coordPair(node).coordinates
                    }
                };
            }
            function getProperties(node) {
                var meta = ['name', 'desc', 'author', 'copyright', 'link',
                            'time', 'keywords'],
                    prop = {},
                    k;
                for (k = 0; k < meta.length; k++) {
                    prop[meta[k]] = nodeVal(get1(node, meta[k]));
                }
                return clean(prop);
            }
            return gj;
        }
    };
    return t;
})();

if (typeof module !== 'undefined') module.exports = toGeoJSON;

}).call(this,require('_process'))
},{"_process":4,"xmldom":3}],11:[function(require,module,exports){
!function() {
  var topojson = {
    version: "1.6.8",
    mesh: function(topology) { return object(topology, meshArcs.apply(this, arguments)); },
    meshArcs: meshArcs,
    merge: function(topology) { return object(topology, mergeArcs.apply(this, arguments)); },
    mergeArcs: mergeArcs,
    feature: featureOrCollection,
    neighbors: neighbors,
    presimplify: presimplify
  };

  function stitchArcs(topology, arcs) {
    var stitchedArcs = {},
        fragmentByStart = {},
        fragmentByEnd = {},
        fragments = [],
        emptyIndex = -1;

    // Stitch empty arcs first, since they may be subsumed by other arcs.
    arcs.forEach(function(i, j) {
      var arc = topology.arcs[i < 0 ? ~i : i], t;
      if (arc.length < 3 && !arc[1][0] && !arc[1][1]) {
        t = arcs[++emptyIndex], arcs[emptyIndex] = i, arcs[j] = t;
      }
    });

    arcs.forEach(function(i) {
      var e = ends(i),
          start = e[0],
          end = e[1],
          f, g;

      if (f = fragmentByEnd[start]) {
        delete fragmentByEnd[f.end];
        f.push(i);
        f.end = end;
        if (g = fragmentByStart[end]) {
          delete fragmentByStart[g.start];
          var fg = g === f ? f : f.concat(g);
          fragmentByStart[fg.start = f.start] = fragmentByEnd[fg.end = g.end] = fg;
        } else {
          fragmentByStart[f.start] = fragmentByEnd[f.end] = f;
        }
      } else if (f = fragmentByStart[end]) {
        delete fragmentByStart[f.start];
        f.unshift(i);
        f.start = start;
        if (g = fragmentByEnd[start]) {
          delete fragmentByEnd[g.end];
          var gf = g === f ? f : g.concat(f);
          fragmentByStart[gf.start = g.start] = fragmentByEnd[gf.end = f.end] = gf;
        } else {
          fragmentByStart[f.start] = fragmentByEnd[f.end] = f;
        }
      } else {
        f = [i];
        fragmentByStart[f.start = start] = fragmentByEnd[f.end = end] = f;
      }
    });

    function ends(i) {
      var arc = topology.arcs[i < 0 ? ~i : i], p0 = arc[0], p1;
      if (topology.transform) p1 = [0, 0], arc.forEach(function(dp) { p1[0] += dp[0], p1[1] += dp[1]; });
      else p1 = arc[arc.length - 1];
      return i < 0 ? [p1, p0] : [p0, p1];
    }

    function flush(fragmentByEnd, fragmentByStart) {
      for (var k in fragmentByEnd) {
        var f = fragmentByEnd[k];
        delete fragmentByStart[f.start];
        delete f.start;
        delete f.end;
        f.forEach(function(i) { stitchedArcs[i < 0 ? ~i : i] = 1; });
        fragments.push(f);
      }
    }

    flush(fragmentByEnd, fragmentByStart);
    flush(fragmentByStart, fragmentByEnd);
    arcs.forEach(function(i) { if (!stitchedArcs[i < 0 ? ~i : i]) fragments.push([i]); });

    return fragments;
  }

  function meshArcs(topology, o, filter) {
    var arcs = [];

    if (arguments.length > 1) {
      var geomsByArc = [],
          geom;

      function arc(i) {
        var j = i < 0 ? ~i : i;
        (geomsByArc[j] || (geomsByArc[j] = [])).push({i: i, g: geom});
      }

      function line(arcs) {
        arcs.forEach(arc);
      }

      function polygon(arcs) {
        arcs.forEach(line);
      }

      function geometry(o) {
        if (o.type === "GeometryCollection") o.geometries.forEach(geometry);
        else if (o.type in geometryType) geom = o, geometryType[o.type](o.arcs);
      }

      var geometryType = {
        LineString: line,
        MultiLineString: polygon,
        Polygon: polygon,
        MultiPolygon: function(arcs) { arcs.forEach(polygon); }
      };

      geometry(o);

      geomsByArc.forEach(arguments.length < 3
          ? function(geoms) { arcs.push(geoms[0].i); }
          : function(geoms) { if (filter(geoms[0].g, geoms[geoms.length - 1].g)) arcs.push(geoms[0].i); });
    } else {
      for (var i = 0, n = topology.arcs.length; i < n; ++i) arcs.push(i);
    }

    return {type: "MultiLineString", arcs: stitchArcs(topology, arcs)};
  }

  function mergeArcs(topology, objects) {
    var polygonsByArc = {},
        polygons = [],
        components = [];

    objects.forEach(function(o) {
      if (o.type === "Polygon") register(o.arcs);
      else if (o.type === "MultiPolygon") o.arcs.forEach(register);
    });

    function register(polygon) {
      polygon.forEach(function(ring) {
        ring.forEach(function(arc) {
          (polygonsByArc[arc = arc < 0 ? ~arc : arc] || (polygonsByArc[arc] = [])).push(polygon);
        });
      });
      polygons.push(polygon);
    }

    function exterior(ring) {
      return cartesianRingArea(object(topology, {type: "Polygon", arcs: [ring]}).coordinates[0]) > 0; // TODO allow spherical?
    }

    polygons.forEach(function(polygon) {
      if (!polygon._) {
        var component = [],
            neighbors = [polygon];
        polygon._ = 1;
        components.push(component);
        while (polygon = neighbors.pop()) {
          component.push(polygon);
          polygon.forEach(function(ring) {
            ring.forEach(function(arc) {
              polygonsByArc[arc < 0 ? ~arc : arc].forEach(function(polygon) {
                if (!polygon._) {
                  polygon._ = 1;
                  neighbors.push(polygon);
                }
              });
            });
          });
        }
      }
    });

    polygons.forEach(function(polygon) {
      delete polygon._;
    });

    return {
      type: "MultiPolygon",
      arcs: components.map(function(polygons) {
        var arcs = [];

        // Extract the exterior (unique) arcs.
        polygons.forEach(function(polygon) {
          polygon.forEach(function(ring) {
            ring.forEach(function(arc) {
              if (polygonsByArc[arc < 0 ? ~arc : arc].length < 2) {
                arcs.push(arc);
              }
            });
          });
        });

        // Stitch the arcs into one or more rings.
        arcs = stitchArcs(topology, arcs);

        // If more than one ring is returned,
        // at most one of these rings can be the exterior;
        // this exterior ring has the same winding order
        // as any exterior ring in the original polygons.
        if ((n = arcs.length) > 1) {
          var sgn = exterior(polygons[0][0]);
          for (var i = 0, t; i < n; ++i) {
            if (sgn === exterior(arcs[i])) {
              t = arcs[0], arcs[0] = arcs[i], arcs[i] = t;
              break;
            }
          }
        }

        return arcs;
      })
    };
  }

  function featureOrCollection(topology, o) {
    return o.type === "GeometryCollection" ? {
      type: "FeatureCollection",
      features: o.geometries.map(function(o) { return feature(topology, o); })
    } : feature(topology, o);
  }

  function feature(topology, o) {
    var f = {
      type: "Feature",
      id: o.id,
      properties: o.properties || {},
      geometry: object(topology, o)
    };
    if (o.id == null) delete f.id;
    return f;
  }

  function object(topology, o) {
    var absolute = transformAbsolute(topology.transform),
        arcs = topology.arcs;

    function arc(i, points) {
      if (points.length) points.pop();
      for (var a = arcs[i < 0 ? ~i : i], k = 0, n = a.length, p; k < n; ++k) {
        points.push(p = a[k].slice());
        absolute(p, k);
      }
      if (i < 0) reverse(points, n);
    }

    function point(p) {
      p = p.slice();
      absolute(p, 0);
      return p;
    }

    function line(arcs) {
      var points = [];
      for (var i = 0, n = arcs.length; i < n; ++i) arc(arcs[i], points);
      if (points.length < 2) points.push(points[0].slice());
      return points;
    }

    function ring(arcs) {
      var points = line(arcs);
      while (points.length < 4) points.push(points[0].slice());
      return points;
    }

    function polygon(arcs) {
      return arcs.map(ring);
    }

    function geometry(o) {
      var t = o.type;
      return t === "GeometryCollection" ? {type: t, geometries: o.geometries.map(geometry)}
          : t in geometryType ? {type: t, coordinates: geometryType[t](o)}
          : null;
    }

    var geometryType = {
      Point: function(o) { return point(o.coordinates); },
      MultiPoint: function(o) { return o.coordinates.map(point); },
      LineString: function(o) { return line(o.arcs); },
      MultiLineString: function(o) { return o.arcs.map(line); },
      Polygon: function(o) { return polygon(o.arcs); },
      MultiPolygon: function(o) { return o.arcs.map(polygon); }
    };

    return geometry(o);
  }

  function reverse(array, n) {
    var t, j = array.length, i = j - n; while (i < --j) t = array[i], array[i++] = array[j], array[j] = t;
  }

  function bisect(a, x) {
    var lo = 0, hi = a.length;
    while (lo < hi) {
      var mid = lo + hi >>> 1;
      if (a[mid] < x) lo = mid + 1;
      else hi = mid;
    }
    return lo;
  }

  function neighbors(objects) {
    var indexesByArc = {}, // arc index -> array of object indexes
        neighbors = objects.map(function() { return []; });

    function line(arcs, i) {
      arcs.forEach(function(a) {
        if (a < 0) a = ~a;
        var o = indexesByArc[a];
        if (o) o.push(i);
        else indexesByArc[a] = [i];
      });
    }

    function polygon(arcs, i) {
      arcs.forEach(function(arc) { line(arc, i); });
    }

    function geometry(o, i) {
      if (o.type === "GeometryCollection") o.geometries.forEach(function(o) { geometry(o, i); });
      else if (o.type in geometryType) geometryType[o.type](o.arcs, i);
    }

    var geometryType = {
      LineString: line,
      MultiLineString: polygon,
      Polygon: polygon,
      MultiPolygon: function(arcs, i) { arcs.forEach(function(arc) { polygon(arc, i); }); }
    };

    objects.forEach(geometry);

    for (var i in indexesByArc) {
      for (var indexes = indexesByArc[i], m = indexes.length, j = 0; j < m; ++j) {
        for (var k = j + 1; k < m; ++k) {
          var ij = indexes[j], ik = indexes[k], n;
          if ((n = neighbors[ij])[i = bisect(n, ik)] !== ik) n.splice(i, 0, ik);
          if ((n = neighbors[ik])[i = bisect(n, ij)] !== ij) n.splice(i, 0, ij);
        }
      }
    }

    return neighbors;
  }

  function presimplify(topology, triangleArea) {
    var absolute = transformAbsolute(topology.transform),
        relative = transformRelative(topology.transform),
        heap = minAreaHeap(),
        maxArea = 0,
        triangle;

    if (!triangleArea) triangleArea = cartesianTriangleArea;

    topology.arcs.forEach(function(arc) {
      var triangles = [];

      arc.forEach(absolute);

      for (var i = 1, n = arc.length - 1; i < n; ++i) {
        triangle = arc.slice(i - 1, i + 2);
        triangle[1][2] = triangleArea(triangle);
        triangles.push(triangle);
        heap.push(triangle);
      }

      // Always keep the arc endpoints!
      arc[0][2] = arc[n][2] = Infinity;

      for (var i = 0, n = triangles.length; i < n; ++i) {
        triangle = triangles[i];
        triangle.previous = triangles[i - 1];
        triangle.next = triangles[i + 1];
      }
    });

    while (triangle = heap.pop()) {
      var previous = triangle.previous,
          next = triangle.next;

      // If the area of the current point is less than that of the previous point
      // to be eliminated, use the latter's area instead. This ensures that the
      // current point cannot be eliminated without eliminating previously-
      // eliminated points.
      if (triangle[1][2] < maxArea) triangle[1][2] = maxArea;
      else maxArea = triangle[1][2];

      if (previous) {
        previous.next = next;
        previous[2] = triangle[2];
        update(previous);
      }

      if (next) {
        next.previous = previous;
        next[0] = triangle[0];
        update(next);
      }
    }

    topology.arcs.forEach(function(arc) {
      arc.forEach(relative);
    });

    function update(triangle) {
      heap.remove(triangle);
      triangle[1][2] = triangleArea(triangle);
      heap.push(triangle);
    }

    return topology;
  };

  function cartesianRingArea(ring) {
    var i = -1,
        n = ring.length,
        a,
        b = ring[n - 1],
        area = 0;

    while (++i < n) {
      a = b;
      b = ring[i];
      area += a[0] * b[1] - a[1] * b[0];
    }

    return area * .5;
  }

  function cartesianTriangleArea(triangle) {
    var a = triangle[0], b = triangle[1], c = triangle[2];
    return Math.abs((a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]));
  }

  function compareArea(a, b) {
    return a[1][2] - b[1][2];
  }

  function minAreaHeap() {
    var heap = {},
        array = [],
        size = 0;

    heap.push = function(object) {
      up(array[object._ = size] = object, size++);
      return size;
    };

    heap.pop = function() {
      if (size <= 0) return;
      var removed = array[0], object;
      if (--size > 0) object = array[size], down(array[object._ = 0] = object, 0);
      return removed;
    };

    heap.remove = function(removed) {
      var i = removed._, object;
      if (array[i] !== removed) return; // invalid request
      if (i !== --size) object = array[size], (compareArea(object, removed) < 0 ? up : down)(array[object._ = i] = object, i);
      return i;
    };

    function up(object, i) {
      while (i > 0) {
        var j = ((i + 1) >> 1) - 1,
            parent = array[j];
        if (compareArea(object, parent) >= 0) break;
        array[parent._ = i] = parent;
        array[object._ = i = j] = object;
      }
    }

    function down(object, i) {
      while (true) {
        var r = (i + 1) << 1,
            l = r - 1,
            j = i,
            child = array[j];
        if (l < size && compareArea(array[l], child) < 0) child = array[j = l];
        if (r < size && compareArea(array[r], child) < 0) child = array[j = r];
        if (j === i) break;
        array[child._ = i] = child;
        array[object._ = i = j] = object;
      }
    }

    return heap;
  }

  function transformAbsolute(transform) {
    if (!transform) return noop;
    var x0,
        y0,
        kx = transform.scale[0],
        ky = transform.scale[1],
        dx = transform.translate[0],
        dy = transform.translate[1];
    return function(point, i) {
      if (!i) x0 = y0 = 0;
      point[0] = (x0 += point[0]) * kx + dx;
      point[1] = (y0 += point[1]) * ky + dy;
    };
  }

  function transformRelative(transform) {
    if (!transform) return noop;
    var x0,
        y0,
        kx = transform.scale[0],
        ky = transform.scale[1],
        dx = transform.translate[0],
        dy = transform.translate[1];
    return function(point, i) {
      if (!i) x0 = y0 = 0;
      var x1 = (point[0] - dx) / kx | 0,
          y1 = (point[1] - dy) / ky | 0;
      point[0] = x1 - x0;
      point[1] = y1 - y0;
      x0 = x1;
      y0 = y1;
    };
  }

  function noop() {}

  if (typeof define === "function" && define.amd) define(topojson);
  else if (typeof module === "object" && module.exports) module.exports = topojson;
  else this.topojson = topojson;
}();

},{}],12:[function(require,module,exports){
module.exports = parse;
module.exports.parse = parse;
module.exports.stringify = stringify;

var numberRegexp = /^[-+]?([0-9]*\.[0-9]+|[0-9]+)([eE][-+]?[0-9]+)?/;

 /*
 * Parse WKT and return GeoJSON.
 *
 * @param {string} _ A WKT geometry
 * @return {?Object} A GeoJSON geometry object
 */
function parse(_) {
    var parts = _.split(";"),
        _ = parts.pop(),
        srid = (parts.shift() || "").split("=").pop();

    var i = 0;

    function $(re) {
        var match = _.substring(i).match(re);
        if (!match) return null;
        else {
            i += match[0].length;
            return match[0];
        }
    }

    function crs(obj) {
        if (obj && srid.match(/\d+/)) {
            obj.crs = {
                type: 'name',
                properties: {
                    name: 'urn:ogc:def:crs:EPSG::' + srid
                }
            };
        }

        return obj;
    }

    function white() { $(/^\s*/); }

    function multicoords() {
        white();
        var depth = 0, rings = [], stack = [rings],
            pointer = rings, elem;

        while (elem =
            $(/^(\()/) ||
            $(/^(\))/) ||
            $(/^(\,)/) ||
            $(numberRegexp)) {
            if (elem == '(') {
                stack.push(pointer);
                pointer = [];
                stack[stack.length - 1].push(pointer);
                depth++;
            } else if (elem == ')') {
                pointer = stack.pop();
                // the stack was empty, input was malformed
                if (!pointer) return;
                depth--;
                if (depth === 0) break;
            } else if (elem === ',') {
                pointer = [];
                stack[stack.length - 1].push(pointer);
            } else if (!isNaN(parseFloat(elem))) {
                pointer.push(parseFloat(elem));
            } else {
                return null;
            }
            white();
        }

        if (depth !== 0) return null;
        return rings;
    }

    function coords() {
        var list = [], item, pt;
        while (pt =
            $(numberRegexp) ||
            $(/^(\,)/)) {
            if (pt == ',') {
                list.push(item);
                item = [];
            } else {
                if (!item) item = [];
                item.push(parseFloat(pt));
            }
            white();
        }
        if (item) list.push(item);
        return list.length ? list : null;
    }

    function point() {
        if (!$(/^(point)/i)) return null;
        white();
        if (!$(/^(\()/)) return null;
        var c = coords();
        if (!c) return null;
        white();
        if (!$(/^(\))/)) return null;
        return {
            type: 'Point',
            coordinates: c[0]
        };
    }

    function multipoint() {
        if (!$(/^(multipoint)/i)) return null;
        white();
        var c = multicoords();
        if (!c) return null;
        white();
        return {
            type: 'MultiPoint',
            coordinates: c
        };
    }

    function multilinestring() {
        if (!$(/^(multilinestring)/i)) return null;
        white();
        var c = multicoords();
        if (!c) return null;
        white();
        return {
            type: 'MultiLineString',
            coordinates: c
        };
    }

    function linestring() {
        if (!$(/^(linestring)/i)) return null;
        white();
        if (!$(/^(\()/)) return null;
        var c = coords();
        if (!c) return null;
        if (!$(/^(\))/)) return null;
        return {
            type: 'LineString',
            coordinates: c
        };
    }

    function polygon() {
        if (!$(/^(polygon)/i)) return null;
        white();
        return {
            type: 'Polygon',
            coordinates: multicoords()
        };
    }

    function multipolygon() {
        if (!$(/^(multipolygon)/i)) return null;
        white();
        return {
            type: 'MultiPolygon',
            coordinates: multicoords()
        };
    }

    function geometrycollection() {
        var geometries = [], geometry;

        if (!$(/^(geometrycollection)/i)) return null;
        white();

        if (!$(/^(\()/)) return null;
        while (geometry = root()) {
            geometries.push(geometry);
            white();
            $(/^(\,)/);
            white();
        }
        if (!$(/^(\))/)) return null;

        return {
            type: 'GeometryCollection',
            geometries: geometries
        };
    }

    function root() {
        return point() ||
            linestring() ||
            polygon() ||
            multipoint() ||
            multilinestring() ||
            multipolygon() ||
            geometrycollection();
    }

    return crs(root());
}

/**
 * Stringifies a GeoJSON object into WKT
 */
function stringify(gj) {
    if (gj.type === 'Feature') {
        gj = gj.geometry;
    }

    function pairWKT(c) {
        if (c.length === 2) {
            return c[0] + ' ' + c[1];
        } else if (c.length === 3) {
            return c[0] + ' ' + c[1] + ' ' + c[2];
        }
    }

    function ringWKT(r) {
        return r.map(pairWKT).join(', ');
    }

    function ringsWKT(r) {
        return r.map(ringWKT).map(wrapParens).join(', ');
    }

    function multiRingsWKT(r) {
        return r.map(ringsWKT).map(wrapParens).join(', ');
    }

    function wrapParens(s) { return '(' + s + ')'; }

    switch (gj.type) {
        case 'Point':
            return 'POINT (' + pairWKT(gj.coordinates) + ')';
        case 'LineString':
            return 'LINESTRING (' + ringWKT(gj.coordinates) + ')';
        case 'Polygon':
            return 'POLYGON (' + ringsWKT(gj.coordinates) + ')';
        case 'MultiPoint':
            return 'MULTIPOINT (' + ringWKT(gj.coordinates) + ')';
        case 'MultiPolygon':
            return 'MULTIPOLYGON (' + multiRingsWKT(gj.coordinates) + ')';
        case 'MultiLineString':
            return 'MULTILINESTRING (' + ringsWKT(gj.coordinates) + ')';
        case 'GeometryCollection':
            return 'GEOMETRYCOLLECTION (' + gj.geometries.map(stringify).join(', ') + ')';
        default:
            throw new Error('stringify requires a valid GeoJSON Feature or geometry object as input');
    }
}

},{}]},{},[1])(1)
});