@arcgis/core/views/3d/support/engineContent/line.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{set as t,dist as e}from"../../../../core/libs/gl-matrix-2/math/vec2.js";import{create as r}from"../../../../core/libs/gl-matrix-2/factories/vec2f64.js";import{ONES as o}from"../../../../core/libs/gl-matrix-2/factories/vec4f64.js";import{getReferenceEllipsoid as n}from"../../../../geometry/ellipsoidUtils.js";import{lonLatToWebMercatorComparable as i}from"../../../../geometry/projection/projectors.js";import{newDoubleArray as a}from"../../../../geometry/support/DoubleArray.js";import{newFloatArray as u}from"../../../../geometry/support/FloatArray.js";import{newHalfFloatArray as s}from"../../../../geometry/support/HalfFloatArray.js";import{getZeroIndexArray as l}from"../../../../geometry/support/Indices.js";import{Attribute as c}from"../../webgl-engine/lib/Attribute.js";import{Geometry as p}from"../../webgl-engine/lib/Geometry.js";function f(t,e,r=null){const o=[],n=e.mapPositions,i=m(e,o),a=i.data,u=i.indices.length,s=l(u);return h(e,o,s),y(e,o,s),g(e,o,s),b(e,o,i.indices,s),w(e,o,i.indices,s),D(e,o),F(e,o,i.indices,s),d(e,o,a),new p(t,o,n,2,r)}function m(t,e){const{attributeData:{position:r},removeDuplicateStartEnd:o}=t,n=j(r)&&o,i=r.length/3-(n?1:0),a=new Array(2*(i-1)),u=n?r.slice(0,-3):r;let s=0;for(let c=0;c<i-1;c++)a[s++]=c,a[s++]=c+1;const l=new c(u,a,3,n);return e.push(["position",l]),l}function h(t,e,r){if(null!=t.attributeData.colorFeature)return;const n=t.attributeData.color;e.push(["color",new c(n??o,r,4)])}function g(t,e,r){t.attributeData.normal&&e.push(["normal",new c(t.attributeData.normal,r,3)])}function b(t,e,r,o){const n=t.attributeData.colorFeature;null!=n&&("number"==typeof n?e.push(["colorFeatureAttribute",new c([n],o,1,!0)]):e.push(["colorFeatureAttribute",new c(n,r,1,!0)]))}function y(t,e,r){null==t.attributeData.sizeFeature&&e.push(["size",new c([t.attributeData.size??1],r,1,!0)])}function w(t,e,r,o){const n=t.attributeData.sizeFeature;null!=n&&("number"==typeof n?e.push(["sizeFeatureAttribute",new c([n],o,1,!0)]):e.push(["sizeFeatureAttribute",new c(n,r,1,!0)]))}function D(t,e){const{attributeData:{position:r,timeStamps:o}}=t;if(!o)return;const n=r.length/3,i=new Array(2*(n-1));let a=0;for(let u=0;u<n-1;u++)i[a++]=u,i[a++]=u+1;e.push(["timeStamps",new c(o,i,z,!0)])}function F(t,e,r,o){const n=t.attributeData.opacityFeature;null!=n&&("number"==typeof n?e.push(["opacityFeatureAttribute",new c([n],o,1,!0)]):e.push(["opacityFeatureAttribute",new c(n,r,1,!0)]))}function d(r,o,s){if(null==r.overlayInfo||1!==r.overlayInfo.renderCoordsHelper.viewingMode||!r.overlayInfo.spatialReference.isGeographic)return;const l=a(s.length),p=n(r.overlayInfo.spatialReference);for(let t=0;t<l.length;t+=3)i(s,t,l,t,p);const f=s.length/3,m=u(f+1);let h=A,g=v,b=0,y=0;t(h,l[y++],l[y++]),y++,m[0]=0;for(let n=1;n<f+1;++n)n===f&&(y=0),t(g,l[y++],l[y++]),y++,b+=e(h,g),m[n]=b,[h,g]=[g,h];o.push(["distanceToStart",new c(m,o[0][1].indices,1,!0)])}function j(t){const e=t.length;return t[0]===t[e-3]&&t[1]===t[e-2]&&t[2]===t[e-1]}const A=r(),v=r(),z=4;function S(t,e,r,o,n){if(null==t||0===t.length)return[];const i=[];return t.forEach((t,u)=>{const s=t.length,l=a(3*s);t.forEach((t,e)=>{l[3*e]=t[0],l[3*e+1]=t[1],l[3*e+2]=t[2]});const c={attributeData:{position:l,normal:e,colorFeature:r?.[u],opacityFeature:o?.[u],sizeFeature:n?.[u]},removeDuplicateStartEnd:!1};i.push(c)}),i}function E(t,e,r,o,n,i){if(null==t||0===t.length)return[];const a=S(t,e,o,n,i);return t.forEach((t,e)=>{const o=r?.[e],n=null!=o?x(o.timeStamps,o.stage):void 0;a[e].attributeData.timeStamps=n}),a}function I(t,e=0,r=.01){const o=s(t.length);o[0]=0;for(let i=1;i<t.length;i++){const e=t[i-1],r=t[i],n=Math.sqrt((r[0]-e[0])**2+(r[1]-e[1])**2+(r[2]-e[2])**2);o[i]=o[i-1]+n}const n=o.map(t=>t*r);if(0!==e&&e<n.length){const t=n[e];for(let e=0;e<n.length;e++)n[e]-=t}return n}function x(t,e){const r=s(t.length*z),o=t[0],n=t[t.length-1];for(let i=0;i<t.length;i++)r[i*z]=t[i],r[i*z+1]=o,r[i*z+2]=n,r[i*z+3]=e+.5;return r}export{E as animatedLineStripsToParameters,f as createGeometry,I as getLinearTimeStamps,S as lineStripsToParameters,z as numTimeStampValuesPerVertex,x as timeStampsToAttribute};