89 lines
590 KiB
JavaScript
89 lines
590 KiB
JavaScript
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).turf={})}(this,(function(t){"use strict";var e=6371008.8,n={centimeters:637100880,centimetres:637100880,degrees:57.22891354143274,feet:20902260.511392,inches:39.37*e,kilometers:6371.0088,kilometres:6371.0088,meters:e,metres:e,miles:3958.761333810546,millimeters:6371008800,millimetres:6371008800,nauticalmiles:e/1852,radians:1,yards:6967335.223679999},r={centimeters:100,centimetres:100,degrees:1/111325,feet:3.28084,inches:39.37,kilometers:.001,kilometres:.001,meters:1,metres:1,miles:1/1609.344,millimeters:1e3,millimetres:1e3,nauticalmiles:1/1852,radians:1/e,yards:1.0936133},i={acres:247105e-9,centimeters:1e4,centimetres:1e4,feet:10.763910417,hectares:1e-4,inches:1550.003100006,kilometers:1e-6,kilometres:1e-6,meters:1,metres:1,miles:386e-9,millimeters:1e6,millimetres:1e6,yards:1.195990046};function o(t,e,n){void 0===n&&(n={});var r={type:"Feature"};return(0===n.id||n.id)&&(r.id=n.id),n.bbox&&(r.bbox=n.bbox),r.properties=e||{},r.geometry=t,r}function s(t,e,n){switch(t){case"Point":return a(e).geometry;case"LineString":return h(e).geometry;case"Polygon":return l(e).geometry;case"MultiPoint":return d(e).geometry;case"MultiLineString":return g(e).geometry;case"MultiPolygon":return y(e).geometry;default:throw new Error(t+" is invalid")}}function a(t,e,n){if(void 0===n&&(n={}),!t)throw new Error("coordinates is required");if(!Array.isArray(t))throw new Error("coordinates must be an Array");if(t.length<2)throw new Error("coordinates must be at least 2 numbers long");if(!C(t[0])||!C(t[1]))throw new Error("coordinates must contain numbers");return o({type:"Point",coordinates:t},e,n)}function u(t,e,n){return void 0===n&&(n={}),f(t.map((function(t){return a(t,e)})),n)}function l(t,e,n){void 0===n&&(n={});for(var r=0,i=t;r<i.length;r++){var s=i[r];if(s.length<4)throw new Error("Each LinearRing of a Polygon must have 4 or more Positions.");for(var a=0;a<s[s.length-1].length;a++)if(s[s.length-1][a]!==s[0][a])throw new Error("First and last Position are not equivalent.")}return o({type:"Polygon",coordinates:t},e,n)}function c(t,e,n){return void 0===n&&(n={}),f(t.map((function(t){return l(t,e)})),n)}function h(t,e,n){if(void 0===n&&(n={}),t.length<2)throw new Error("coordinates must be an array of two or more positions");return o({type:"LineString",coordinates:t},e,n)}function p(t,e,n){return void 0===n&&(n={}),f(t.map((function(t){return h(t,e)})),n)}function f(t,e){void 0===e&&(e={});var n={type:"FeatureCollection"};return e.id&&(n.id=e.id),e.bbox&&(n.bbox=e.bbox),n.features=t,n}function g(t,e,n){return void 0===n&&(n={}),o({type:"MultiLineString",coordinates:t},e,n)}function d(t,e,n){return void 0===n&&(n={}),o({type:"MultiPoint",coordinates:t},e,n)}function y(t,e,n){return void 0===n&&(n={}),o({type:"MultiPolygon",coordinates:t},e,n)}function v(t,e,n){return void 0===n&&(n={}),o({type:"GeometryCollection",geometries:t},e,n)}function _(t,e){if(void 0===e&&(e=0),e&&!(e>=0))throw new Error("precision must be a positive number");var n=Math.pow(10,e||0);return Math.round(t*n)/n}function m(t,e){void 0===e&&(e="kilometers");var r=n[e];if(!r)throw new Error(e+" units is invalid");return t*r}function x(t,e){void 0===e&&(e="kilometers");var r=n[e];if(!r)throw new Error(e+" units is invalid");return t/r}function E(t,e){return w(x(t,e))}function b(t){var e=t%360;return e<0&&(e+=360),e}function w(t){return 180*(t%(2*Math.PI))/Math.PI}function I(t){return t%360*Math.PI/180}function N(t,e,n){if(void 0===e&&(e="kilometers"),void 0===n&&(n="kilometers"),!(t>=0))throw new Error("length must be a positive number");return m(x(t,e),n)}function S(t,e,n){if(void 0===e&&(e="meters"),void 0===n&&(n="kilometers"),!(t>=0))throw new Error("area must be a positive number");var r=i[e];if(!r)throw new Error("invalid original units");var o=i[n];if(!o)throw new Error("invalid final units");return t/r*o}function C(t){return!isNaN(t)&&null!==t&&!Array.isArray(t)}function P(t){r
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/*
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object-assign
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(c) Sindre Sorhus
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@license MIT
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*/function lt(t){if(null==t)throw new TypeError("Object.assign cannot be called with null or undefined");return Object(t)}var ct=function(){try{if(!Object.assign)return!1;var t=new String("abc");if(t[5]="de","5"===Object.getOwnPropertyNames(t)[0])return!1;for(var e={},n=0;n<10;n++)e["_"+String.fromCharCode(n)]=n;if("0123456789"!==Object.getOwnPropertyNames(e).map((function(t){return e[t]})).join(""))return!1;var r={};return"abcdefghijklmnopqrst".split("").forEach((function(t){r[t]=t})),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},r)).join("")}catch(t){return!1}}()?Object.assign:function(t,e){for(var n,r,i=lt(t),o=1;o<arguments.length;o++){for(var s in n=Object(arguments[o]))at.call(n,s)&&(i[s]=n[s]);if(st){r=st(n);for(var a=0;a<r.length;a++)ut.call(n,r[a])&&(i[r[a]]=n[r[a]])}}return i},ht={successCallback:null,verbose:!1},pt={};
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/**
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* @license GNU Affero General Public License.
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* Copyright (c) 2015, 2015 Ronny Lorenz <ronny@tbi.univie.ac.at>
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* v. 1.2.0
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* https://github.com/RaumZeit/MarchingSquares.js
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*
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* MarchingSquaresJS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* MarchingSquaresJS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* As additional permission under GNU Affero General Public License version 3
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* section 7, third-party projects (personal or commercial) may distribute,
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* include, or link against UNMODIFIED VERSIONS of MarchingSquaresJS without the
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* requirement that said third-party project for that reason alone becomes
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* subject to any requirement of the GNU Affero General Public License version 3.
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* Any modifications to MarchingSquaresJS, however, must be shared with the public
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* and made available.
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*
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* In summary this:
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* - allows you to use MarchingSquaresJS at no cost
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* - allows you to use MarchingSquaresJS for both personal and commercial purposes
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* - allows you to distribute UNMODIFIED VERSIONS of MarchingSquaresJS under any
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* license as long as this license notice is included
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* - enables you to keep the source code of your program that uses MarchingSquaresJS
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* undisclosed
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* - forces you to share any modifications you have made to MarchingSquaresJS,
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* e.g. bug-fixes
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with MarchingSquaresJS. If not, see <http://www.gnu.org/licenses/>.
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*/function ft(t,e,n){n=n||{};for(var r=Object.keys(ht),i=0;i<r.length;i++){var o=r[i],s=n[o];s=null!=s?s:ht[o],pt[o]=s}pt.verbose&&console.log("MarchingSquaresJS-isoContours: computing isocontour for "+e);var a=function(t){var e=[],n=0,r=1e-7;return t.cells.forEach((function(i,o){i.forEach((function(i,s){if(void 0!==i&&(5!==(f=i).cval&&10!==f.cval)&&!dt(i)){var a=function(t,e,n){var r,i,o=t.length,s=[],a=[0,0,1,1,0,0,0,0,-1,0,1,1,-1,0,-1,0],u=[0,-1,0,0,1,1,1,1,0,-1,0,0,0,-1,0,0],l=["none","left","bottom","left","right","none","bottom","left","top","top","none","top","right","right","bottom","none"],c=["none","bottom","right","right","top","top","top","top","left","bottom","right","right","left","bottom","left","none"],h=t[e][n],p=h.cval,f=l[p],g=vt(h,f);s.push([n+g[0],e+g[1]]),f=c[p],g=vt(h,f),s.push([n+g[0],e+g[1]]),yt(h);var d=n+a[p],y=e+u[p],v=p;for(;d>=0&&y>=0&&y<o&&(d!=n||y!=e)&&void 0!==(h=t[y][d]);){if(0===(p=h.cval)||15===p)return{path:s,info:"mergeable"};f=c[p],r=a[p],i=u[p],5!==p&&10!==p||(5===p?h.flipped?-1===u[v]?(f="left",r=-1,i=0):(f="right",r=1,i=0):-1===a[v]&&(f="bottom",r=0,i=-1):10===p&&(h.flipped?-1===a[v]?(f="top",r=0,i=1):(f="bottom",r=0,i=-1):1===u[v]&&(f="left",r=-1,i=0))),g=vt(h,f),s.push([d+g[0],y+g[1]]),yt(h),d+=r,y+=i,v=p}return{path:s,info:"closed"}}(t.cells,o,s),u=!1;if("mergeable"===a.info)for(var l=a.path[a.path.length-1][0],c=a.path[a.path.length-1][1],h=n-1;h>=0;h--)if(Math.abs(e[h][0][0]-l)<=r&&Math.abs(e[h][0][1]-c)<=r){for(var p=a.path.length-2;p>=0;--p)e[h].unshift(a.path[p]);u=!0;break}u||(e[n++]=a.path)}var f}))})),e}(function(t,e){for(var n=t.length-1,r=t[0].length-1,i={rows:n,cols:r,cells:[]},o=0;o<n;++o){i.cells[o]=[];for(var s=0;s<r;++s){var a=0,u=t[o+1][s],l=t[o+1][s+1],c=t[o][s+1],h=t[o][s];if(!(isNaN(u)||isNaN(l)||isNaN(c)||isNaN(h))){a|=u>=e?8:0,a|=l>=e?4:0,a|=c>=e?2:0;var p,f,g,d,y=!1;if(5===(a|=h>=e?1:0)||10===a){var v=(u+l+c+h)/4;5===a&&v<e?(a=10,y=!0):10===a&&v<e&&(a=5,y=!0)}if(0!==a&&15!==a)p=f=g=d=.5,1===a?(g=1-gt(e,u,h),f=1-gt(e,c,h)):2===a?(f=gt(e,h,c),d=1-gt(e,l,c)):3===a?(g=1-gt(e,u,h),d=1-gt(e,l,c)):4===a?(p=gt(e,u,l),d=gt(e,c,l)):5===a?(p=gt(e,u,l),d=gt(e,c,l),f=1-gt(e,c,h),g=1-gt(e,u,h)):6===a?(f=gt(e,h,c),p=gt(e,u,l)):7===a?(g=1-gt(e,u,h),p=gt(e,u,l)):8===a?(g=gt(e,h,u),p=1-gt(e,l,u)):9===a?(f=1-gt(e,c,h),p=1-gt(e,l,u)):10===a?(p=1-gt(e,l,u),d=1-gt(e,l,c),f=gt(e,h,c),g=gt(e,h,u)):11===a?(p=1-gt(e,l,u),d=1-gt(e,l,c)):12===a?(g=gt(e,h,u),d=gt(e,c,l)):13===a?(f=1-gt(e,c,h),d=gt(e,c,l)):14===a?(g=gt(e,h,u),f=gt(e,h,c)):console.log("MarchingSquaresJS-isoContours: Illegal cval detected: "+a),i.cells[o][s]={cval:a,flipped:y,top:p,right:d,bottom:f,left:g}}}}return i}(t,e));return"function"==typeof pt.successCallback&&pt.successCallback(a),a}function gt(t,e,n){return(t-e)/(n-e)}function dt(t){return 0===t.cval||15===t.cval}function yt(t){dt(t)||5===t.cval||10===t.cval||(t.cval=15)}function vt(t,e){return"top"===e?[t.top,1]:"bottom"===e?[t.bottom,0]:"right"===e?[1,t.right]:"left"===e?[0,t.left]:void 0}function _t(t,e){if(!P(e=e||{}))throw new Error("options is invalid");var n=e.zProperty||"elevation",r=e.flip,i=e.flags;nt(t,"Point","input must contain Points");for(var o=function(t,e){var n={};return F(t,(function(t){var e=Q(t)[1];n[e]||(n[e]=[]),n[e].push(t)})),Object.keys(n).map((function(t){return n[t].sort((function(t,e){return Q(t)[0]-Q(e)[0]}))})).sort((function(t,n){return e?Q(t[0])[1]-Q(n[0])[1]:Q(n[0])[1]-Q(t[0])[1]}))}(t,r),s=[],a=0;a<o.length;a++){for(var u=o[a],l=[],c=0;c<u.length;c++){var h=u[c];h.properties[n]?l.push(h.properties[n]):l.push(0),!0===i&&(h.properties.matrixPosition=[a,c])}s.push(l)}return s}var mt=Et,xt=Et;function Et(t,e,n,r,i){bt(t,e,n||0,r||t.length-1,i||It)}function bt(t,e,n,r,i){for(;r>n;){if(r-n>600){var o=r-n+1,s=e-n+1,a=Math.log(o),u=.5*Math.exp(2*a/3),l=.5*Math.sqrt(a*u*(o-u)/o)*(s-o/2<0?-1:1);bt(t,e,Math.max(n,Math.floor(e-s*u/o+l)),Math.min(r,Math.floor(e+(o-s)*u/o+l)),i)}var c=t[e],h=n,p=r;for(wt(t,n,e),i(t[r],c)>0&&wt(t,n,r);h<p;){for(wt(t,h,p),h++,p--;i(t[h],c)<0;)h++;for(;i(t[p],c)>0;)p--}0===i(t[n],c)?wt(t,n,p):wt(t,++p,r
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/*!
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* @license GNU Affero General Public License.
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* Copyright (c) 2015, 2015 Ronny Lorenz <ronny@tbi.univie.ac.at>
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* v. 1.2.0
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* https://github.com/RaumZeit/MarchingSquares.js
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*
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* MarchingSquaresJS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* MarchingSquaresJS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* As additional permission under GNU Affero General Public License version 3
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* section 7, third-party projects (personal or commercial) may distribute,
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* include, or link against UNMODIFIED VERSIONS of MarchingSquaresJS without the
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* requirement that said third-party project for that reason alone becomes
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* subject to any requirement of the GNU Affero General Public License version 3.
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* Any modifications to MarchingSquaresJS, however, must be shared with the public
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* and made available.
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*
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* In summary this:
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* - allows you to use MarchingSquaresJS at no cost
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* - allows you to use MarchingSquaresJS for both personal and commercial purposes
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* - allows you to distribute UNMODIFIED VERSIONS of MarchingSquaresJS under any
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* license as long as this license notice is included
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* - enables you to keep the source code of your program that uses MarchingSquaresJS
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* undisclosed
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* - forces you to share any modifications you have made to MarchingSquaresJS,
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* e.g. bug-fixes
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with MarchingSquaresJS. If not, see <http://www.gnu.org/licenses/>.
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*/(t,r),s=[],a=0;a<o.length;a++){for(var u=o[a],l=[],c=0;c<u.length;c++){var h=u[c];h.properties[n]?l.push(h.properties[n]):l.push(0),!0===i&&(h.properties.matrixPosition=[a,c])}s.push(l)}return s}var Ki={successCallback:null,verbose:!1,polygons:!1},Qi={};function $i(t,e,n,r){r=r||{};for(var i=Object.keys(Ki),o=0;o<i.length;o++){var s=i[o],a=r[s];a=null!=a?a:Ki[s],Qi[s]=a}Qi.verbose&&console.log("MarchingSquaresJS-isoBands: computing isobands for ["+e+":"+(e+n)+"]");var u,l=function(t,e,n){for(var r=t.length-1,i=t[0].length-1,o={rows:r,cols:i,cells:[]},s=e+Math.abs(n),a=0;a<r;++a){o.cells[a]=[];for(var u=0;u<i;++u){var l=0,c=t[a+1][u],h=t[a+1][u+1],p=t[a][u+1],f=t[a][u];if(!(isNaN(c)||isNaN(h)||isNaN(p)||isNaN(f))){l|=c<e?0:c>s?128:64,l|=h<e?0:h>s?32:16,l|=p<e?0:p>s?8:4;var g=+(l|=f<e?0:f>s?2:1),d=0;if(17===l||18===l||33===l||34===l||38===l||68===l||72===l||98===l||102===l||132===l||136===l||137===l||152===l||153===l){var y=(c+h+p+f)/4;d=y>s?2:y<e?0:1,34===l?1===d?l=35:0===d&&(l=136):136===l?1===d?(l=35,d=4):0===d&&(l=34):17===l?1===d?(l=155,d=4):0===d&&(l=153):68===l?1===d?(l=103,d=4):0===d&&(l=102):153===l?1===d&&(l=155):102===l?1===d&&(l=103):152===l?d<2&&(l=156,d=1):137===l?d<2&&(l=139,d=1):98===l?d<2&&(l=99,d=1):38===l?d<2&&(l=39,d=1):18===l?d>0?(l=156,d=4):l=152:33===l?d>0?(l=139,d=4):l=137:72===l?d>0?(l=99,d=4):l=98:132===l&&(d>0?(l=39,d=4):l=38)}if(0!=l&&170!=l){var v,_,m,x,E,b,w,I;v=_=m=x=E=b=w=I=.5;var N=[];1===l?(m=1-Vo(e,p,f),I=1-Vo(e,c,f),N.push(Go[l])):169===l?(m=Vo(s,f,p),I=Vo(s,f,c),N.push(Go[l])):4===l?(b=1-Vo(e,h,p),x=Vo(e,f,p),N.push(Fo[l])):166===l?(b=Vo(s,p,h),x=1-Vo(s,p,f),N.push(Fo[l])):16===l?(E=Vo(e,p,h),_=Vo(e,c,h),N.push(Do[l])):154===l?(E=1-Vo(s,h,p),_=1-Vo(s,h,c),N.push(Do[l])):64===l?(w=Vo(e,f,c),v=1-Vo(e,h,c),N.push(Bo[l])):106===l?(w=1-Vo(s,c,f),v=Vo(s,c,h),N.push(Bo[l])):168===l?(x=Vo(s,f,p),m=Vo(e,f,p),I=Vo(e,f,c),w=Vo(s,f,c),N.push(ko[l]),N.push(Go[l])):2===l?(x=1-Vo(e,p,f),m=1-Vo(s,p,f),I=1-Vo(s,c,f),w=1-Vo(e,c,f),N.push(ko[l]),N.push(Go[l])):162===l?(E=Vo(s,p,h),b=Vo(e,p,h),x=1-Vo(e,p,f),m=1-Vo(s,p,f),N.push(ko[l]),N.push(Go[l])):8===l?(E=1-Vo(e,h,p),b=1-Vo(s,h,p),x=Vo(s,f,p),m=Vo(e,f,p),N.push(Do[l]),N.push(Fo[l])):138===l?(E=1-Vo(e,h,p),b=1-Vo(s,h,p),v=1-Vo(s,h,c),_=1-Vo(e,h,c),N.push(Do[l]),N.push(Fo[l])):32===l?(E=Vo(s,p,h),b=Vo(e,p,h),v=Vo(e,c,h),_=Vo(s,c,h),N.push(Do[l]),N.push(Fo[l])):42===l?(I=1-Vo(s,c,f),w=1-Vo(e,c,f),v=Vo(e,c,h),_=Vo(s,c,h),N.push(qo[l]),N.push(Bo[l])):128===l&&(I=Vo(e,f,c),w=Vo(s,f,c),v=1-Vo(s,h,c),_=1-Vo(e,h,c),N.push(qo[l]),N.push(Bo[l])),5===l?(b=1-Vo(e,h,p),I=1-Vo(e,c,f),N.push(Fo[l])):165===l?(b=Vo(s,p,h),I=Vo(s,f,c),N.push(Fo[l])):20===l?(x=Vo(e,f,p),_=Vo(e,c,h),N.push(ko[l])):150===l?(x=1-Vo(s,p,f),_=1-Vo(s,h,c),N.push(ko[l])):80===l?(E=Vo(e,p,h),w=Vo(e,f,c),N.push(Do[l])):90===l?(E=1-Vo(s,h,p),w=1-Vo(s,c,f),N.push(Do[l])):65===l?(m=1-Vo(e,p,f),v=1-Vo(e,h,c),N.push(Go[l])):105===l?(m=Vo(s,f,p),v=Vo(s,c,h),N.push(Go[l])):160===l?(E=Vo(s,p,h),b=Vo(e,p,h),I=Vo(e,f,c),w=Vo(s,f,c),N.push(Do[l]),N.push(Fo[l])):10===l?(E=1-Vo(e,h,p),b=1-Vo(s,h,p),I=1-Vo(s,c,f),w=1-Vo(e,c,f),N.push(Do[l]),N.push(Fo[l])):130===l?(x=1-Vo(e,p,f),m=1-Vo(s,p,f),v=1-Vo(s,h,c),_=1-Vo(e,h,c),N.push(ko[l]),N.push(Go[l])):40===l?(x=Vo(s,f,p),m=Vo(e,f,p),v=Vo(e,c,h),_=Vo(s,c,h),N.push(ko[l]),N.push(Go[l])):101===l?(b=Vo(s,p,h),v=Vo(s,c,h),N.push(Fo[l])):69===l?(b=1-Vo(e,h,p),v=1-Vo(e,h,c),N.push(Fo[l])):149===l?(I=Vo(s,f,c),_=1-Vo(s,h,c),N.push(qo[l])):21===l?(I=1-Vo(e,c,f),_=Vo(e,c,h),N.push(qo[l])):86===l?(x=1-Vo(s,p,f),w=1-Vo(s,c,f),N.push(ko[l])):84===l?(x=Vo(e,f,p),w=Vo(e,f,c),N.push(ko[l])):89===l?(E=1-Vo(s,h,p),m=Vo(s,f,p),N.push(Go[l])):81===l?(E=Vo(e,p,h),m=1-Vo(e,p,f),N.push(Go[l])):96===l?(E=Vo(s,p,h),b=Vo(e,p,h),w=Vo(e,f,c),v=Vo(s,c,h),N.push(Do[l]),N.push(Fo[l])):74===l?(E=1-Vo(e,h,p),b=1-Vo(s,h,p),w=1-Vo(s,c,f),v=1-Vo(e,h,c),N.push(Do[l]),N.push(Fo[l])):24===l?(E=1-Vo(s,h,p),x=Vo(s,f,p),m=Vo(e,f,p),_=Vo(e,c,h),N.push(Do[l]),N.push(Go[l])):146===l?(E=Vo(e,p,h),x=1-Vo(e,p,f),m=1-Vo(s,p,f),_=1-Vo(s,h,c),N.push(Do[l]),N.push(Go[l])):6===l?(b=1-Vo(e,h,p),x=1-Vo(s,p,f),I=
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/**
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||
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* splaytree v3.1.0
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||
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* Fast Splay tree for Node and browser
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||
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*
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||
|
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* @author Alexander Milevski <info@w8r.name>
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* @license MIT
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||
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* @preserve
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*/function fu(t,e){return t>e?1:t<e?-1:0}function gu(t,e,n){for(var r=new pu(null,null),i=r,o=r;;){var s=n(t,e.key);if(s<0){if(null===e.left)break;if(n(t,e.left.key)<0){var a=e.left;if(e.left=a.right,a.right=e,null===(e=a).left)break}o.left=e,o=e,e=e.left}else{if(!(s>0))break;if(null===e.right)break;if(n(t,e.right.key)>0){a=e.right;if(e.right=a.left,a.left=e,null===(e=a).right)break}i.right=e,i=e,e=e.right}}return i.right=e.left,o.left=e.right,e.left=r.right,e.right=r.left,e}function du(t,e,n,r){var i=new pu(t,e);if(null===n)return i.left=i.right=null,i;var o=r(t,(n=gu(t,n,r)).key);return o<0?(i.left=n.left,i.right=n,n.left=null):o>=0&&(i.right=n.right,i.left=n,n.right=null),i}function yu(t,e,n){var r=null,i=null;if(e){var o=n((e=gu(t,e,n)).key,t);0===o?(r=e.left,i=e.right):o<0?(i=e.right,e.right=null,r=e):(r=e.left,e.left=null,i=e)}return{left:r,right:i}}function vu(t,e,n,r,i){if(t){r(e+(n?"└── ":"├── ")+i(t)+"\n");var o=e+(n?" ":"│ ");t.left&&vu(t.left,o,!1,r,i),t.right&&vu(t.right,o,!0,r,i)}}var _u=function(){function t(t){void 0===t&&(t=fu),this._root=null,this._size=0,this._comparator=t}return t.prototype.insert=function(t,e){return this._size++,this._root=du(t,e,this._root,this._comparator)},t.prototype.add=function(t,e){var n=new pu(t,e);null===this._root&&(n.left=n.right=null,this._size++,this._root=n);var r=this._comparator,i=gu(t,this._root,r),o=r(t,i.key);return 0===o?this._root=i:(o<0?(n.left=i.left,n.right=i,i.left=null):o>0&&(n.right=i.right,n.left=i,i.right=null),this._size++,this._root=n),this._root},t.prototype.remove=function(t){this._root=this._remove(t,this._root,this._comparator)},t.prototype._remove=function(t,e,n){var r;return null===e?null:0===n(t,(e=gu(t,e,n)).key)?(null===e.left?r=e.right:(r=gu(t,e.left,n)).right=e.right,this._size--,r):e},t.prototype.pop=function(){var t=this._root;if(t){for(;t.left;)t=t.left;return this._root=gu(t.key,this._root,this._comparator),this._root=this._remove(t.key,this._root,this._comparator),{key:t.key,data:t.data}}return null},t.prototype.findStatic=function(t){for(var e=this._root,n=this._comparator;e;){var r=n(t,e.key);if(0===r)return e;e=r<0?e.left:e.right}return null},t.prototype.find=function(t){return this._root&&(this._root=gu(t,this._root,this._comparator),0!==this._comparator(t,this._root.key))?null:this._root},t.prototype.contains=function(t){for(var e=this._root,n=this._comparator;e;){var r=n(t,e.key);if(0===r)return!0;e=r<0?e.left:e.right}return!1},t.prototype.forEach=function(t,e){for(var n=this._root,r=[],i=!1;!i;)null!==n?(r.push(n),n=n.left):0!==r.length?(n=r.pop(),t.call(e,n),n=n.right):i=!0;return this},t.prototype.range=function(t,e,n,r){for(var i=[],o=this._comparator,s=this._root;0!==i.length||s;)if(s)i.push(s),s=s.left;else{if(o((s=i.pop()).key,e)>0)break;if(o(s.key,t)>=0&&n.call(r,s))return this;s=s.right}return this},t.prototype.keys=function(){var t=[];return this.forEach((function(e){var n=e.key;return t.push(n)})),t},t.prototype.values=function(){var t=[];return this.forEach((function(e){var n=e.data;return t.push(n)})),t},t.prototype.min=function(){return this._root?this.minNode(this._root).key:null},t.prototype.max=function(){return this._root?this.maxNode(this._root).key:null},t.prototype.minNode=function(t){if(void 0===t&&(t=this._root),t)for(;t.left;)t=t.left;return t},t.prototype.maxNode=function(t){if(void 0===t&&(t=this._root),t)for(;t.right;)t=t.right;return t},t.prototype.at=function(t){for(var e=this._root,n=!1,r=0,i=[];!n;)if(e)i.push(e),e=e.left;else if(i.length>0){if(e=i.pop(),r===t)return e;r++,e=e.right}else n=!0;return null},t.prototype.next=function(t){var e=this._root,n=null;if(t.right){for(n=t.right;n.left;)n=n.left;return n}for(var r=this._comparator;e;){var i=r(t.key,e.key);if(0===i)break;i<0?(n=e,e=e.left):e=e.right}return n},t.prototype.prev=function(t){var e=this._root,n=null;if(null!==t.left){for(n=t.left;n.right;)n=n.right;return n}for(var r=this._comparator;e;){var i=r(t.key,e.key);if(0===i)break;i<0?e=e.left:(n=e,e=e.right)}return n},t.prototype.clear=function(){return this._root=nul
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