@arcgis/core/views/3d/layers/i3s/PointCloudWorkerUtil.js

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

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.32/esri/copyright.txt for details.
*/
import"../../../../core/has.js";import e from"../../../../renderers/PointCloudClassBreaksRenderer.js";import r from"../../../../renderers/PointCloudStretchRenderer.js";import o from"../../../../renderers/PointCloudUniqueValueRenderer.js";import{createGeometryIndexFromSchema as t,createTypedView as n,readBinaryAttribute as l}from"./I3SBinaryReader.js";import{decodeXYZ as s}from"./LEPCC.js";function i(t,n,l,s){const{rendererJSON:i,isRGBRenderer:u}=t;let c=null,a=null;if(n&&u)c=n;else if(n&&"pointCloudUniqueValueRenderer"===i?.type){a=o.fromJSON(i);const e=a.colorUniqueValueInfos;c=new Uint8Array(3*s);const r=d(a.fieldTransformType);for(let o=0;o<s;o++){const t=(r?r(n[o]):n[o])+"";for(let r=0;r<e.length;r++)if(e[r].values.includes(t)){c[3*o]=e[r].color.r,c[3*o+1]=e[r].color.g,c[3*o+2]=e[r].color.b;break}}}else if(n&&"pointCloudStretchRenderer"===i?.type){a=r.fromJSON(i);const e=a.stops;c=new Uint8Array(3*s);const o=d(a.fieldTransformType);for(let r=0;r<s;r++){const t=o?o(n[r]):n[r],l=e.length-1;if(t<e[0].value)c[3*r]=e[0].color.r,c[3*r+1]=e[0].color.g,c[3*r+2]=e[0].color.b;else if(t>=e[l].value)c[3*r]=e[l].color.r,c[3*r+1]=e[l].color.g,c[3*r+2]=e[l].color.b;else for(let o=1;o<e.length;o++)if(t<e[o].value){const n=(t-e[o-1].value)/(e[o].value-e[o-1].value);c[3*r]=e[o].color.r*n+e[o-1].color.r*(1-n),c[3*r+1]=e[o].color.g*n+e[o-1].color.g*(1-n),c[3*r+2]=e[o].color.b*n+e[o-1].color.b*(1-n);break}}}else if(n&&"pointCloudClassBreaksRenderer"===i?.type){a=e.fromJSON(i);const r=a.colorClassBreakInfos;c=new Uint8Array(3*s);const o=d(a.fieldTransformType);for(let e=0;e<s;e++){const t=o?o(n[e]):n[e];for(let o=0;o<r.length;o++)if(t>=r[o].minValue&&t<=r[o].maxValue){c[3*e]=r[o].color.r,c[3*e+1]=r[o].color.g,c[3*e+2]=r[o].color.b;break}}}else c=new Uint8Array(3*s).fill(255);if(l&&a?.colorModulation){const e=a.colorModulation.minValue,r=a.colorModulation.maxValue,o=.3;for(let t=0;t<s;t++){const n=l[t],s=n>=r?1:n<=e?o:o+(1-o)*(n-e)/(r-e);c[3*t]=s*c[3*t],c[3*t+1]=s*c[3*t+1],c[3*t+2]=s*c[3*t+2]}}return c}function u(e,r){if(null==e.encoding||""===e.encoding){const o=t(r,e);if(null==o.vertexAttributes.position)return;const l=n(r,o.vertexAttributes.position),s=o.header.fields,i=[s.offsetX,s.offsetY,s.offsetZ],u=[s.scaleX,s.scaleY,s.scaleZ],c=l.length/3,a=new Float64Array(3*c);for(let e=0;e<c;e++)a[3*e]=l[3*e]*u[0]+i[0],a[3*e+1]=l[3*e+1]*u[1]+i[1],a[3*e+2]=l[3*e+2]*u[2]+i[2];return a}if("lepcc-xyz"===e.encoding)return s(r).result}function c(e,r,o){return e?.attributeInfo.useElevation?r?a(r,o):null:e?.attributeInfo.storageInfo?l(e.attributeInfo.storageInfo,e.buffer,o):null}function a(e,r){const o=new Float64Array(r);for(let t=0;t<r;t++)o[t]=e[3*t+2];return o}function f(e,r,o,t,n){const l=e.length/3;let s=0;for(let i=0;i<l;i++){let l=!0;for(let e=0;e<t.length&&l;e++){const{filterJSON:r}=t[e],o=n[e].values[i];switch(r.type){case"pointCloudValueFilter":{const e="exclude"===r.mode;r.values.includes(o)===e&&(l=!1);break}case"pointCloudBitfieldFilter":{const e=p(r.requiredSetBits),t=p(r.requiredClearBits);((o&e)!==e||o&t)&&(l=!1);break}case"pointCloudReturnFilter":{const e=15&o,t=o>>>4&15,n=t>1,s=1===e,i=e===t;let u=!1;for(const o of r.includedReturns)if("last"===o&&i||"firstOfMany"===o&&s&&n||"lastOfMany"===o&&i&&n||"single"===o&&!n){u=!0;break}u||(l=!1);break}}}l&&(o[s]=i,e[3*s]=e[3*i],e[3*s+1]=e[3*i+1],e[3*s+2]=e[3*i+2],r[3*s]=r[3*i],r[3*s+1]=r[3*i+1],r[3*s+2]=r[3*i+2],s++)}return s}function d(e){switch(e){default:case null:case"none":return e=>e;case"low-four-bit":return e=>15&e;case"high-four-bit":return e=>(240&e)>>4;case"absolute-value":return e=>Math.abs(e);case"modulo-ten":return e=>e%10}}function p(e){let r=0;for(const o of e||[])r|=1<<o;return r}export{a as elevationFromPositions,i as evaluateRenderer,f as filterInPlace,c as getAttributeValues,u as readGeometry};