FeiXianKuangChanJianGuan/public/turf/turf-7.0.0.min.js

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/**
   * splaytree v3.1.2
   * Fast Splay tree for Node and browser
   *
   * @author Alexander Milevski <info@w8r.name>
   * @license MIT
   * @preserve
   */
/*! *****************************************************************************
  Copyright (c) Microsoft Corporation. All rights reserved.
  Licensed under the Apache License, Version 2.0 (the "License"); you may not use
  this file except in compliance with the License. You may obtain a copy of the
  License at http://www.apache.org/licenses/LICENSE-2.0

  THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  MERCHANTABLITY OR NON-INFRINGEMENT.

  See the Apache Version 2.0 License for specific language governing permissions
  and limitations under the License.
  ***************************************************************************** */
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/*!
   * Copyright (c) 2019, Dane Springmeyer
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in
   *       the documentation and/or other materials provided with the
   *       distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
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/*!
  * MarchingSquaresJS
  * version 1.3.3
  * https://github.com/RaumZeit/MarchingSquares.js
  *
  * @license GNU Affero General Public License.
  * Copyright (c) 2015-2019 Ronny Lorenz <ronny@tbi.univie.ac.at>
  */
function Hm(t,e,n){return t<e?(n-t)/(e-t):(t-n)/(t-e)}function Zm(t,e,n,r){var i;return n>r&&(i=n,n=r,r=i),t<e?t<n?(n-t)/(e-t):(r-t)/(e-t):t>r?(t-r)/(t-e):(t-n)/(t-e)}function Jm(t,e,n,r){return t<e?(n-t)/(e-t):(t-r)/(t-e)}function $m(t,e,n,r){return t<e?(r-t)/(e-t):(t-n)/(t-e)}function Qm(){this.successCallback=null,this.verbose=!1,this.polygons=!1,this.polygons_full=!1,this.linearRing=!0,this.noQuadTree=!1,this.noFrame=!1}function Km(t,e,n,r){var i=[];return t.polygons.forEach((function(t){t.forEach((function(t){t[0]+=e,t[1]+=n})),r.linearRing&&t.push(t[0]),i.push(t)})),i}function t_(t,e,n,r){return 0===n?(t+=1,e+=r[0][1]):1===n?t+=r[0][0]:2===n?e+=r[0][1]:3===n&&(t+=r[0][0],e+=1),[t,e]}function e_(t,e,n){return 0===n?t++:1===n||(2===n?e++:3===n&&(t++,e++)),[t,e]}function n_(t,e,n,r,i){var o=r,a=i,s=0,u=0;if(this.x=e,this.y=n,this.lowerBound=null,this.upperBound=null,this.childA=null,this.childB=null,this.childC=null,this.childD=null,1===r&&1===i)this.lowerBound=Math.min(t[n][e],t[n][e+1],t[n+1][e+1],t[n+1][e]),this.upperBound=Math.max(t[n][e],t[n][e+1],t[n+1][e+1],t[n+1][e]);else{if(r>1){for(;0!==o;)o>>=1,s++;r===1<<s-1&&s--,o=1<<s-1}if(i>1){for(;0!==a;)a>>=1,u++;i===1<<u-1&&u--,a=1<<u-1}this.childA=new n_(t,e,n,o,a),this.lowerBound=this.childA.lowerBound,this.upperBound=this.childA.upperBound,r-o>0&&(this.childB=new n_(t,e+o,n,r-o,a),this.lowerBound=Math.min(this.lowerBound,this.childB.lowerBound),this.upperBound=Math.max(this.upperBound,this.childB.upperBound),i-a>0&&(this.childC=new n_(t,e+o,n+a,r-o,i-a),this.lowerBound=Math.min(this.lowerBound,this.childC.lowerBound),this.upperBound=Math.max(this.upperBound,this.childC.upperBound))),i-a>0&&(this.childD=new n_(t,e,n+a,o,i-a),this.lowerBound=Math.min(this.lowerBound,this.childD.lowerBound),this.upperBound=Math.max(this.upperBound,this.childD.upperBound))}}function r_(t){var e,n;if(!t)throw new Error("data is required");if(!Array.isArray(t)||!Array.isArray(t[0]))throw new Error("data must be scalar field, i.e. array of arrays");if(t.length<2)throw new Error("data must contain at least two rows");if((n=t[0].length)<2)throw new Error("data must contain at least two columns");for(e=1;e<t.length;e++){if(!Array.isArray(t[e]))throw new Error("Row "+e+" is not an array");if(t[e].length!=n)throw new Error("unequal row lengths detected, please provide a regular grid")}this.data=t,this.root=new n_(t,0,0,t[0].length-1,t.length-1)}function i_(t,n,r){var i,o,a,s=!1,u=!1,l=null,c=null,h=null,f=null,p=null,g=[];if(!t)throw new Error("data is required");if(null==n)throw new Error("threshold is required");if(r&&"object"!==e(r))throw new Error("options must be an object");if(i=function(t){var e,n,r,i,o;for(i=new Qm,t=t||{},o=Object.keys(i),e=0;e<o.length;e++)null!=(r=t[n=o[e]])&&(i[n]=r);return i.polygons_full=!i.polygons,i.interpolate=Hm,i}(r),t instanceof r_)l=t,c=t.root,h=t.data,i.noQuadTree||(s=!0);else{if(!Array.isArray(t)||!Array.isArray(t[0]))throw new Error("input is neither array of arrays nor object retrieved from 'QuadTree()'");h=t}if(Array.isArray(n)){for(u=!0,i.noQuadTree||(s=!0),o=0;o<n.length;o++)if(isNaN(+n[o]))throw new Error("threshold["+o+"] is not a number")}else{if(isNaN(+n))throw new Error("threshold must be a number or array of numbers");n=[n]}return s&&!c&&(l=new r_(h),c=l.root,h=l.data),i.verbose&&(i.polygons?console.log("MarchingSquaresJS-isoLines: returning single lines (polygons) for each grid cell"):console.log("MarchingSquaresJS-isoLines: returning line paths (polygons) for entire data grid"),u&&console.log("MarchingSquaresJS-isoLines: multiple lines requested, returning array of line paths instead of lines for a single threshold")),n.forEach((function(t,n){if(p=[],i.threshold=t,i.verbose&&console.log("MarchingSquaresJS-isoLines: computing iso lines for threshold "+t),i.polygons)if(s)c.cellsBelowThreshold(i.threshold,!0).forEach((function(t){p=p.concat(Km(o_(h,t.x,t.y,i),t.x,t.y,i))}));else for(a=0;a<h.length-1;++a)for(n=0;n<h[0].length-1;++n)p=p.concat(Km(o_(h,n,a,i),n,a,i));else{for(f=[],n=0;n<h[0].length-1;++n)f[n]=[];if(s)c.cellsBelowThreshold(i.thre