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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

js.arcgis.com

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/* All material copyright ESRI, All Rights Reserved, unless otherwise specified. See https://js.arcgis.com/4.33/esri/copyright.txt for details. */ import e from"../rest/support/ClassBreaksDefinition.js";import{createGenerateRendererClassBreaks as n}from"../rest/support/generateRendererUtils.js";const t="<Null>",l="equal-interval",i=1,a=5,o=10,u=/\s*(\+|-)?((\d+(\.\d+)?)|(\.\d+))\s*/gi,r=new Set(["esriFieldTypeDate","esriFieldTypeInteger","esriFieldTypeSmallInteger","esriFieldTypeSingle","esriFieldTypeDouble","esriFieldTypeLong","esriFieldTypeOID","esriFieldTypeBigInteger"]),s=new Set(["esriFieldTypeTimeOnly","esriFieldTypeDateOnly"]),c=["min","max","avg","stddev","count","sum","variance","nullcount","median"];function m(e){return null==e||"string"==typeof e&&!e?t:e}function d(e){const n=null!=e.normalizationField||null!=e.normalizationType,t=null!=e.minValue||null!=e.maxValue,l=!!e.sqlExpression&&e.supportsSQLExpression;return!n&&!t&&!l}function f(e){const{outStatisticTypes:n}=e,t=e.returnDistinct?[...new Set(e.values)]:e.values,l=t.filter((e=>null!=e)).sort(),i=l.length,a={count:i,min:l[0],max:l[i-1]};return e.supportsNullCount&&(a.nullcount=t.length-i),!e.percentileParams||n?.include?.length&&!n.include.includes("median")||n?.exclude?.length&&n.exclude.includes("median")||(a.median=v(t,e.percentileParams)),a}function p(e){const{values:n,useSampleStdDev:t,supportsNullCount:l,outStatisticTypes:i}=e;let a=Number.POSITIVE_INFINITY,o=Number.NEGATIVE_INFINITY,u=null,r=null,s=null,c=null,m=0;const d=null==e.minValue?-1/0:e.minValue,f=null==e.maxValue?1/0:e.maxValue;for(const v of n)Number.isFinite(v)?v>=d&&v<=f&&(u=null===u?v:u+v,a=Math.min(a,v),o=Math.max(o,v),m++):"string"==typeof v&&m++;if(m&&null!=u){r=u/m;let e=0;for(const t of n)Number.isFinite(t)&&t>=d&&t<=f&&(e+=(t-r)**2);c=t?m>1?e/(m-1):0:m>0?e/m:0,s=Math.sqrt(c)}else a=null,o=null;const p={avg:r,count:m,max:o,min:a,stddev:s,sum:u,variance:c};return l&&(p.nullcount=n.length-m),!e.percentileParams||i?.include?.length&&!i.include.includes("median")||i?.exclude?.length&&i.exclude.includes("median")||(p.median=v(n,e.percentileParams)),p}function v(e,n){const{fieldType:t,value:l,orderBy:i,isDiscrete:a}=n,o=g(t,"desc"===i);if(0===(e=[...e].filter((e=>null!=e)).sort(((e,n)=>o(e,n)))).length)return null;if(l<=0)return e[0];if(l>=1)return e[e.length-1];const u=(e.length-1)*l,r=Math.floor(u),s=r+1,c=u%1,m=e[r],d=e[s];return s>=e.length||a||"string"==typeof m||"string"==typeof d?m:m*(1-c)+d*c}function g(e,n){if(e){if(r.has(e))return N(n);if(s.has(e))return D(n,!1);if("esriFieldTypeTimestampOffset"===e)return F(n);const t=D(n,!0);if("esriFieldTypeString"===e)return t;if("esriFieldTypeGUID"===e||"esriFieldTypeGlobalID"===e)return(e,n)=>t(M(e),M(n))}const t=n?1:-1,l=N(n),i=D(n,!0),a=x(n);return(e,n)=>"number"==typeof e&&"number"==typeof n?l(e,n):"string"==typeof e&&"string"==typeof n?i(e,n):a(e,n)??t}const h=(e,n)=>null==e?null==n?0:1:null==n?-1:null,T=(e,n)=>null==e?null==n?0:-1:null==n?1:null;function x(e){return e?h:T}const y=(e,n)=>T(e,n)??(e===n?0:new Date(e).getTime()-new Date(n).getTime()),V=(e,n)=>h(e,n)??(e===n?0:new Date(n).getTime()-new Date(e).getTime());function F(e){return e?V:y}const I=(e,n)=>T(e,n)??(e===n?0:e<n?-1:1),b=(e,n)=>h(e,n)??(e===n?0:e<n?1:-1);function D(e,n){if(!n)return e?b:I;const t=x(e);return e?(e,n)=>{const l=t(e,n);return null!=l?l:(e=e.toUpperCase())>(n=n.toUpperCase())?-1:e<n?1:0}:(e,n)=>{const l=t(e,n);return null!=l?l:(e=e.toUpperCase())<(n=n.toUpperCase())?-1:e>n?1:0}}const z=(e,n)=>h(e,n)??n-e,S=(e,n)=>T(e,n)??e-n;function N(e){return e?z:S}function M(e){return e.slice(24,36)+e.slice(19,23)+e.slice(16,18)+e.slice(14,16)+e.slice(11,13)+e.slice(9,11)+e.slice(6,8)+e.slice(4,6)+e.slice(2,4)+e.slice(0,2)}function C(e,n,t){let l;for(l in e)n?.include?.length&&!n.include.includes(l)||n?.exclude?.length&&n.exclude.includes(l)?delete e[l]:c.includes(l)&&(Number.isFinite(e[l])||(e[l]=null));return t?(["avg","stddev","variance"].forEach((n=>{null!=e[n]&&(e[n]=Math.ceil(e[n]??0))})),e):e}function k(e){const n={};for(let t of e)(null==t||"string"==typeof t&&""===t.trim())&&(t=null),null==n[t]?n[t]={count:1,data:t}:n[t].count++;return{count:n}}function w(e){return"coded-value"!==e?.type?[]:e.codedValues.map((e=>e.code))}function $(e,n,t,l){const i=e.count,a=[];if(t&&n){const e=[],t=w(n[0]);for(const i of t)if(n[1]){const t=w(n[1]);for(const a of t)if(n[2]){const t=w(n[2]);for(const n of t)e.push(`${m(i)}${l}${m(a)}${l}${m(n)}`)}else e.push(`${m(i)}${l}${m(a)}`)}else e.push(i);for(const n of e)i.hasOwnProperty(n)||(i[n]={data:n,count:0})}for(const o in i){const e=i[o];a.push({value:e.data,count:e.count,label:e.label})}return{uniqueValueInfos:a}}function B(e,n,t,l){let i=null;switch(n){case"log":0!==e&&(i=Math.log(e)*Math.LOG10E);break;case"percent-of-total":Number.isFinite(l)&&0!==l&&(i=e/l*100);break;case"field":Number.isFinite(t)&&0!==t&&(i=e/t);break;case"natural-log":e>0&&(i=Math.log(e));break;case"square-root":e>0&&(i=e**.5)}return i}function E(e,t,l){const i=q({field:t.field,normalizationType:t.normalizationType,normalizationField:t.normalizationField,classificationMethod:t.classificationMethod,standardDeviationInterval:t.standardDeviationInterval,definedInterval:t.definedInterval,breakCount:t.numClasses||a});return e=O(e,t.minValue,t.maxValue),n({definition:i,values:e,normalizationTotal:t.normalizationTotal},l)}function O(e,n,t){const l=n??-1/0,i=t??1/0;return e.filter((e=>Number.isFinite(e)&&e>=l&&e<=i))}function q(n){const{breakCount:t,field:a,normalizationField:o,normalizationType:u}=n,r=n.classificationMethod||l,s="standard-deviation"===r?n.standardDeviationInterval||i:void 0,c="defined-interval"===r?n.definedInterval:void 0;return new e({breakCount:t,classificationField:a,classificationMethod:r,normalizationField:"field"===u?o:void 0,normalizationType:u,standardDeviationInterval:s,definedInterval:c})}function P(e,n){let t=e.classBreaks;const l=t.length,i=t[0]?.minValue,a=t[l-1]?.maxValue,o="standard-deviation"===n,r=u;return t=t.map((e=>{const n=e.label,t={minValue:e.minValue,maxValue:e.maxValue,label:n};if(o&&n){const e=n.match(r),l=e?.map((e=>+e.trim()))??[];2===l.length?(t.minStdDev=l[0],t.maxStdDev=l[1],l[0]<0&&l[1]>0&&(t.hasAvg=!0)):1===l.length&&(n.includes("<")?(t.minStdDev=null,t.maxStdDev=l[0]):n.includes(">")&&(t.minStdDev=l[0],t.maxStdDev=null))}return t})),{minValue:i,maxValue:a,classBreakInfos:t,normalizationTotal:e.normalizationTotal}}function U(e,n){const t=G(e,n);if(null==t.min&&null==t.max)return{bins:[],minValue:t.min,maxValue:t.max,normalizationTotal:n.normalizationTotal};const l=t.intervals,i=t.min??0,a=t.max??0,o=l.map(((e,n)=>({minValue:l[n][0],maxValue:l[n][1],count:0})));for(const u of e)if(null!=u&&u>=i&&u<=a){const e=L(l,u);e>-1&&o[e].count++}return{bins:o,minValue:i,maxValue:a,normalizationTotal:n.normalizationTotal}}function G(e,n,t=!1){const{field:l,classificationMethod:i,standardDeviationInterval:a,definedInterval:u,normalizationType:r,normalizationField:s,normalizationTotal:c,minValue:m,maxValue:f}=n,v=n.numBins||o;let g=null,h=null,T=null;if((!i||"equal-interval"===i)&&!r){if(null!=m&&null!=f)g=m,h=f;else{const n=p({values:e,minValue:m,maxValue:f,useSampleStdDev:!r,supportsNullCount:d({normalizationType:r,normalizationField:s,minValue:m,maxValue:f})});g=n.min??null,h=n.max??null}T=j(g??0,h??0,v)}else{const{classBreaks:n}=E(e,{field:l,normalizationType:r,normalizationField:s,normalizationTotal:c,classificationMethod:i,standardDeviationInterval:a,definedInterval:u,minValue:m,maxValue:f,numClasses:v},null!=m&&null!=f?[m,f]:void 0);g=n[0]?.minValue,h=n[n.length-1]?.maxValue,T=n.map((e=>[e.minValue,e.maxValue]))}if(t&&T.length){const e=T.at(-1)[1];T.push([e,e])}return{min:g,max:h,intervals:T}}function L(e,n){let t=-1;for(let l=e.length-1;l>=0;l--){if(n>=e[l][0]){t=l;break}}return t}function j(e,n,t){const l=(n-e)/t,i=[];let a,o=e;for(let u=1;u<=t;u++)a=o+l,a=Number(a.toFixed(16)),i.push([o,u===t?n:a]),o=a;return i}export{L as binIndex,E as calculateClassBreaks,U as calculateHistogram,v as calculatePercentile,p as calculateStatistics,f as calculateStringStatistics,k as calculateUniqueValuesCount,q as createClassBreaksDefinition,$ as createUVResult,g as getAttributeComparator,G as getBinParams,j as getEqualIntervalBins,B as getNormalizedValue,d as isNullCountSupported,m as processNullValue,C as processSummaryStatisticsResult,P as resolveCBResult,c as statisticTypes};