kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
31 lines (26 loc) • 767 kB
JavaScript
/* Mapbox GL JS is licensed under the 3-Clause BSD License. Full text of license: https://github.com/mapbox/mapbox-gl-js/blob/v1.13.3/LICENSE.txt */
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.mapboxgl = factory());
}(this, (function () { 'use strict';
/* eslint-disable */
var shared, worker, mapboxgl;
// define gets called three times: one for each chunk. we rely on the order
// they're imported to know which is which
function define(_, chunk) {
if (!shared) {
shared = chunk;
} else if (!worker) {
worker = chunk;
} else {
var workerBundleString = 'var sharedChunk = {}; (' + shared + ')(sharedChunk); (' + worker + ')(sharedChunk);'
var sharedChunk = {};
shared(sharedChunk);
mapboxgl = chunk(sharedChunk);
if (typeof window !== 'undefined') {
mapboxgl.workerUrl = window.URL.createObjectURL(new Blob([workerBundleString], { type: 'text/javascript' }));
}
}
}
define(["exports"],(function(t){"use strict";function e(t,e){return t(e={exports:{}},e.exports),e.exports}var r=n;function n(t,e,r,n){this.cx=3*t,this.bx=3*(r-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*e,this.by=3*(n-e)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=n,this.p2x=r,this.p2y=n;}n.prototype.sampleCurveX=function(t){return ((this.ax*t+this.bx)*t+this.cx)*t},n.prototype.sampleCurveY=function(t){return ((this.ay*t+this.by)*t+this.cy)*t},n.prototype.sampleCurveDerivativeX=function(t){return (3*this.ax*t+2*this.bx)*t+this.cx},n.prototype.solveCurveX=function(t,e){var r,n,i,a,o;for(void 0===e&&(e=1e-6),i=t,o=0;o<8;o++){if(a=this.sampleCurveX(i)-t,Math.abs(a)<e)return i;var s=this.sampleCurveDerivativeX(i);if(Math.abs(s)<1e-6)break;i-=a/s;}if((i=t)<(r=0))return r;if(i>(n=1))return n;for(;r<n;){if(a=this.sampleCurveX(i),Math.abs(a-t)<e)return i;t>a?r=i:n=i,i=.5*(n-r)+r;}return i},n.prototype.solve=function(t,e){return this.sampleCurveY(this.solveCurveX(t,e))};var i=a;function a(t,e){this.x=t,this.y=e;}a.prototype={clone:function(){return new a(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},multByPoint:function(t){return this.clone()._multByPoint(t)},divByPoint:function(t){return this.clone()._divByPoint(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},rotateAround:function(t,e){return this.clone()._rotateAround(t,e)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var e=t.x-this.x,r=t.y-this.y;return e*e+r*r},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,e){return Math.atan2(this.x*e-this.y*t,this.x*t+this.y*e)},_matMult:function(t){var e=t[2]*this.x+t[3]*this.y;return this.x=t[0]*this.x+t[1]*this.y,this.y=e,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_multByPoint:function(t){return this.x*=t.x,this.y*=t.y,this},_divByPoint:function(t){return this.x/=t.x,this.y/=t.y,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var e=Math.cos(t),r=Math.sin(t),n=r*this.x+e*this.y;return this.x=e*this.x-r*this.y,this.y=n,this},_rotateAround:function(t,e){var r=Math.cos(t),n=Math.sin(t),i=e.y+n*(this.x-e.x)+r*(this.y-e.y);return this.x=e.x+r*(this.x-e.x)-n*(this.y-e.y),this.y=i,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},a.convert=function(t){return t instanceof a?t:Array.isArray(t)?new a(t[0],t[1]):t};var o="undefined"!=typeof self?self:{},s=Math.pow(2,53)-1;function u(t,e,n,i){var a=new r(t,e,n,i);return function(t){return a.solve(t)}}var l=u(.25,.1,.25,1);function p(t,e,r){return Math.min(r,Math.max(e,t))}function c(t,e,r){var n=r-e,i=((t-e)%n+n)%n+e;return i===e?r:i}function h(t){for(var e=[],r=arguments.length-1;r-- >0;)e[r]=arguments[r+1];for(var n=0,i=e;n<i.length;n+=1){var a=i[n];for(var o in a)t[o]=a[o];}return t}var f=1;function y(){return f++}function d(){return function t(e){return e?(e^16*Math.random()>>e/4).toString(16):([1e7]+-[1e3]+-4e3+-8e3+-1e11).replace(/[018]/g,t)}()}function m(t){return !!t&&/^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(t)}function v(t,e){t.forEach((function(t){e[t]&&(e[t]=e[t].bind(e));}));}function g(t,e){return -1!==t.indexOf(e,t.length-e.length)}function x(t,e,r){var n={};for(var i in t)n[i]=e.call(r||this,t[i],i,t);return n}function b(t,e,r){var n={};for(var i in t)e.call(r||this,t[i],i,t)&&(n[i]=t[i]);return n}function w(t){return Array.isArray(t)?t.map(w):"object"==typeof t&&t?x(t,w):t}var _={};function A(t){_[t]||("undefined"!=typeof console&&console.warn(t),_[t]=!0);}function S(t,e,r){return (r.y-t.y)*(e.x-t.x)>(e.y-t.y)*(r.x-t.x)}function k(t){for(var e=0,r=0,n=t.length,i=n-1,a=void 0,o=void 0;r<n;i=r++)e+=((o=t[i]).x-(a=t[r]).x)*(a.y+o.y);return e}function I(){return "undefined"!=typeof WorkerGlobalScope&&"undefined"!=typeof self&&self instanceof WorkerGlobalScope}function z(t){var e={};if(t.replace(/(?:^|(?:\s*\,\s*))([^\x00-\x20\(\)<>@\,;\:\\"\/\[\]\?\=\{\}\x7F]+)(?:\=(?:([^\x00-\x20\(\)<>@\,;\:\\"\/\[\]\?\=\{\}\x7F]+)|(?:\"((?:[^"\\]|\\.)*)\")))?/g,(function(t,r,n,i){var a=n||i;return e[r]=!a||a.toLowerCase(),""})),e["max-age"]){var r=parseInt(e["max-age"],10);isNaN(r)?delete e["max-age"]:e["max-age"]=r;}return e}var C=null;function E(t){if(null==C){var e=t.navigator?t.navigator.userAgent:null;C=!!t.safari||!(!e||!(/\b(iPad|iPhone|iPod)\b/.test(e)||e.match("Safari")&&!e.match("Chrome")));}return C}function P(t){try{var e=o[t];return e.setItem("_mapbox_test_",1),e.removeItem("_mapbox_test_"),!0}catch(t){return !1}}var M,B,T,V,F=o.performance&&o.performance.now?o.performance.now.bind(o.performance):Date.now.bind(Date),D=o.requestAnimationFrame||o.mozRequestAnimationFrame||o.webkitRequestAnimationFrame||o.msRequestAnimationFrame,L=o.cancelAnimationFrame||o.mozCancelAnimationFrame||o.webkitCancelAnimationFrame||o.msCancelAnimationFrame,O={now:F,frame:function(t){var e=D(t);return {cancel:function(){return L(e)}}},getImageData:function(t,e){void 0===e&&(e=0);var r=o.document.createElement("canvas"),n=r.getContext("2d");if(!n)throw new Error("failed to create canvas 2d context");return r.width=t.width,r.height=t.height,n.drawImage(t,0,0,t.width,t.height),n.getImageData(-e,-e,t.width+2*e,t.height+2*e)},resolveURL:function(t){return M||(M=o.document.createElement("a")),M.href=t,M.href},hardwareConcurrency:o.navigator&&o.navigator.hardwareConcurrency||4,get devicePixelRatio(){return o.devicePixelRatio},get prefersReducedMotion(){return !!o.matchMedia&&(null==B&&(B=o.matchMedia("(prefers-reduced-motion: reduce)")),B.matches)}},R={API_URL:"https://api.mapbox.com",get EVENTS_URL(){return this.API_URL?0===this.API_URL.indexOf("https://api.mapbox.cn")?"https://events.mapbox.cn/events/v2":0===this.API_URL.indexOf("https://api.mapbox.com")?"https://events.mapbox.com/events/v2":null:null},FEEDBACK_URL:"https://apps.mapbox.com/feedback",REQUIRE_ACCESS_TOKEN:!0,ACCESS_TOKEN:null,MAX_PARALLEL_IMAGE_REQUESTS:16},U={supported:!1,testSupport:function(t){!j&&V&&(q?N(t):T=t);}},j=!1,q=!1;function N(t){var e=t.createTexture();t.bindTexture(t.TEXTURE_2D,e);try{if(t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,V),t.isContextLost())return;U.supported=!0;}catch(t){}t.deleteTexture(e),j=!0;}o.document&&((V=o.document.createElement("img")).onload=function(){T&&N(T),T=null,q=!0;},V.onerror=function(){j=!0,T=null;},V.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=");var K="01",G=function(t,e){this._transformRequestFn=t,this._customAccessToken=e,this._createSkuToken();};function Z(t){return 0===t.indexOf("mapbox:")}G.prototype._createSkuToken=function(){var t=function(){for(var t="",e=0;e<10;e++)t+="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"[Math.floor(62*Math.random())];return {token:["1",K,t].join(""),tokenExpiresAt:Date.now()+432e5}}();this._skuToken=t.token,this._skuTokenExpiresAt=t.tokenExpiresAt;},G.prototype._isSkuTokenExpired=function(){return Date.now()>this._skuTokenExpiresAt},G.prototype.transformRequest=function(t,e){return this._transformRequestFn&&this._transformRequestFn(t,e)||{url:t}},G.prototype.normalizeStyleURL=function(t,e){if(!Z(t))return t;var r=Y(t);return r.path="/styles/v1"+r.path,this._makeAPIURL(r,this._customAccessToken||e)},G.prototype.normalizeGlyphsURL=function(t,e){if(!Z(t))return t;var r=Y(t);return r.path="/fonts/v1"+r.path,this._makeAPIURL(r,this._customAccessToken||e)},G.prototype.normalizeSourceURL=function(t,e){if(!Z(t))return t;var r=Y(t);return r.path="/v4/"+r.authority+".json",r.params.push("secure"),this._makeAPIURL(r,this._customAccessToken||e)},G.prototype.normalizeSpriteURL=function(t,e,r,n){var i=Y(t);return Z(t)?(i.path="/styles/v1"+i.path+"/sprite"+e+r,this._makeAPIURL(i,this._customAccessToken||n)):(i.path+=""+e+r,$(i))},G.prototype.normalizeTileURL=function(t,e){if(this._isSkuTokenExpired()&&this._createSkuToken(),t&&!Z(t))return t;var r=Y(t);r.path=r.path.replace(/(\.(png|jpg)\d*)(?=$)/,(O.devicePixelRatio>=2||512===e?"@2x":"")+(U.supported?".webp":"$1")),r.path=r.path.replace(/^.+\/v4\//,"/"),r.path="/v4"+r.path;var n=this._customAccessToken||function(t){for(var e=0,r=t;e<r.length;e+=1){var n=r[e].match(/^access_token=(.*)$/);if(n)return n[1]}return null}(r.params)||R.ACCESS_TOKEN;return R.REQUIRE_ACCESS_TOKEN&&n&&this._skuToken&&r.params.push("sku="+this._skuToken),this._makeAPIURL(r,n)},G.prototype.canonicalizeTileURL=function(t,e){var r=Y(t);if(!r.path.match(/(^\/v4\/)/)||!r.path.match(/\.[\w]+$/))return t;var n="mapbox://tiles/";n+=r.path.replace("/v4/","");var i=r.params;return e&&(i=i.filter((function(t){return !t.match(/^access_token=/)}))),i.length&&(n+="?"+i.join("&")),n},G.prototype.canonicalizeTileset=function(t,e){for(var r=!!e&&Z(e),n=[],i=0,a=t.tiles||[];i<a.length;i+=1){var o=a[i];J(o)?n.push(this.canonicalizeTileURL(o,r)):n.push(o);}return n},G.prototype._makeAPIURL=function(t,e){var r="See https://www.mapbox.com/api-documentation/#access-tokens-and-token-scopes",n=Y(R.API_URL);if(t.protocol=n.protocol,t.authority=n.authority,"http"===t.protocol){var i=t.params.indexOf("secure");i>=0&&t.params.splice(i,1);}if("/"!==n.path&&(t.path=""+n.path+t.path),!R.REQUIRE_ACCESS_TOKEN)return $(t);if(!(e=e||R.ACCESS_TOKEN))throw new Error("An API access token is required to use Mapbox GL. 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