itowns/dist/itowns.js

A JS/WebGL framework for 3D geospatial data visualization

/*! For license information please see itowns.js.LICENSE.txt */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("itowns",[],t):"object"==typeof exports?exports.itowns=t():e.itowns=t()}(self,(()=>(()=>{var e,t={80353:(e,t,r)=>{"use strict";r.d(t,{tC:()=>n,NT:()=>j,E$:()=>I,C1:()=>c,zR:()=>V,SZ:()=>i,Ql:()=>a});var n={};r.r(n),r.d(n,{UNIT:()=>u,axisOrder:()=>x,defs:()=>_,getUnit:()=>f,is4326:()=>d,isGeocentric:()=>A,isGeographic:()=>g,isMetricUnit:()=>m,isValid:()=>y,reasonableEpsilon:()=>v});var i={};r.r(i),r.d(i,{quaternionFromAttitude:()=>re,quaternionFromCRSToCRS:()=>fe,quaternionFromCRSToEnu:()=>pe,quaternionFromEnuToCRS:()=>de,quaternionFromEnuToGeocent:()=>ne,quaternionFromEnuToLCC:()=>oe,quaternionFromEnuToLongLat:()=>he,quaternionFromEnuToTMerc:()=>le,quaternionFromGeocentToEnu:()=>ie,quaternionFromLCCToEnu:()=>se,quaternionFromLongLatToEnu:()=>ce,quaternionFromOmegaPhiKappa:()=>te,quaternionFromRollPitchHeading:()=>ee,quaternionFromTMercToEnu:()=>ae,quaternionUnimplemented:()=>ue});var s=r(39437),o=r(68721);const a=new s.Vector3(o.A.WGS84.a,o.A.WGS84.a,o.A.WGS84.b),l=new s.Vector3,c=class{constructor(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:a;this.size=new s.Vector3,this._radiiSquared=new s.Vector3,this._invRadiiSquared=new s.Vector3,this.eccentricity=0,this.setSize(e)}geodeticSurfaceNormal(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new s.Vector3;return e.toVector3(t).multiply(this._invRadiiSquared).normalize()}geodeticSurfaceNormalCartographic(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new s.Vector3;const r=s.MathUtils.degToRad(e.longitude),n=s.MathUtils.degToRad(e.latitude),i=Math.cos(n);return t.set(i*Math.cos(r),i*Math.sin(r),Math.sin(n))}setSize(e){return this.size.set(e.x,e.y,e.z),this._radiiSquared.multiplyVectors(e,e),this._invRadiiSquared.x=0===e.x?0:1/this._radiiSquared.x,this._invRadiiSquared.y=0===e.y?0:1/this._radiiSquared.y,this._invRadiiSquared.z=0===e.z?0:1/this._radiiSquared.z,this.eccentricity=Math.sqrt(this._radiiSquared.x-this._radiiSquared.z)/this.size.x,this}cartographicToCartesian(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new s.Vector3;l.copy(e.geodesicNormal),t.multiplyVectors(this._radiiSquared,l);const r=Math.sqrt(l.dot(t));return t.divideScalar(r),l.multiplyScalar(e.altitude),t.add(l)}cartesianToCartographic(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new I("EPSG:4326",0,0,0);const r=Math.sqrt(e.x*e.x+e.y*e.y+e.z*e.z),n=this.size.x,i=this.size.z,o=Math.abs((n*n-i*i)/(n*n)),a=1-Math.sqrt(1-o),l=Math.sqrt(e.x*e.x+e.y*e.y),c=Math.atan2(e.y,e.x),h=Math.atan(e.z/l*(1-a+o*n/r)),u=Math.sin(h),d=Math.cos(h),p=Math.atan((e.z*(1-a)+o*n*u*u*u)/((1-a)*(l-o*n*d*d*d))),f=l*Math.cos(p)+e.z*Math.sin(p)-n*Math.sqrt(1-o*Math.sin(p)*Math.sin(p));return t.setFromValues(s.MathUtils.radToDeg(c),s.MathUtils.radToDeg(p),f)}cartographicToCartesianArray(e){const t=[];for(let r=0;r<e.length;r++)t.push(this.cartographicToCartesian(e[r]));return t}intersection(e){const t=1e-4,r=e.origin,n=e.direction,i=n.x*n.x*this._invRadiiSquared.x+n.y*n.y*this._invRadiiSquared.y+n.z*n.z*this._invRadiiSquared.z,o=2*r.x*n.x*this._invRadiiSquared.x+2*r.y*n.y*this._invRadiiSquared.y+2*r.z*n.z*this._invRadiiSquared.z,a=r.x*r.x*this._invRadiiSquared.x+r.y*r.y*this._invRadiiSquared.y+r.z*r.z*this._invRadiiSquared.z-1;let l=o*o-4*i*a;if(l<0||0===i||0===o||0===a)return!1;l=Math.sqrt(l);const c=(-o+l)/(2*i),h=(-o-l)/(2*i);if(c<=t&&h<=t)return!1;let u=0;if(u=c<=t?h:h<=t||c<h?c:h,u<t)return!1;const d=new s.Vector3;return d.addVectors(e.origin,n.clone().setLength(u)),d}geodesicDistance(e,t){const r=s.MathUtils.degToRad(e.longitude),n=s.MathUtils.degToRad(e.latitude),i=s.MathUtils.degToRad(t.longitude),o=s.MathUtils.degToRad(t.latitude),a=Math.acos(Math.sin(n)*Math.sin(o)+Math.cos(n)*Math.cos(o)*Math.cos(i-r)),l=this.eccentricity,c=.5*(n+o),h=(l*Math.sin(c))**2,u=this.size.x*(1-l**2)/(1-h)**1.5,d=this.size.x/Math.sqrt(1-h);return a*Math.sqrt(u*d)}};function h(e){if(!("string"==typeof(t=e)||t instanceof String))throw new Error(`Crs parameter value must be a string: '${e}'`);var t}o.A.defs("EPSG:4978","+proj=geocent +datum=WGS84 +units=m +no_defs"),o.A.defs("EPSG:4326").axis="neu",o.A.defs("EPSG:4269").axis="neu",o.A.defs("WGS84").axis="neu";const u={DEGREE:1,METER:2,FOOT:3};function d(e){return"EPSG:4326"===e}function p(e){return"degrees"===e.units?u.DEGREE:"m"===e.units||"meter"===e.units?u.METER:"foot"===e.units?u.FOOT:void 0===e.units&&void 0===e.to_meter?u.METER:void 0}function f(e){h(e);const t=o.A.defs(e);if(t)return p(t)}function m(e){return f(e)===u.METER}function g(e){return f(e)===u.DEGREE}function A(e){h(e);const t=o.A.defs(e);return!!t&&"geocent"==t.projName}function y(e){const t=o.A.defs(e);if(!t)throw new Error(`Undefined crs '${e}'. Add it with proj4.defs('${e}', string)`);if(!p(t))throw new Error(`No valid unit found for crs '${e}', found ${t.units}`)}function v(e){return d(e)?.01:.001}function x(e){h(e);const t=o.A.defs(e);return t?t.axis:void 0}const _=(e,t)=>o.A.defs(e,t),b=new c,w={},E=new s.Vector3,M=new s.Vector3;let S,C;class T{constructor(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0;this.isCoordinates=!0,y(e),this.crs=e,this.x=0,this.y=0,this.z=0,this._normal=new s.Vector3,t.length>0?(console.warn("Deprecated Coordinates#constructor(string, number[]),","use `new Coordinates(string).setFromArray(number[])` instead."),this.setFromArray(t)):t.isVector3||t.isCoordinates?(console.warn("Deprecated Coordinates#constructor(string, Vector3),","use `new Coordinates(string).setFromVector3(Vector3)` instead."),this.setFromVector3(t)):this.setFromValues(t,r,n),this._normalNeedsUpdate=!0}setCrs(e){return y(e),this.crs=e,this}setFromValues(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;return this.x=e,this.y=t,this.z=r,this._normalNeedsUpdate=!0,this}setFromArray(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return this.setFromValues(e[t],e[t+1],e[t+2])}setFromVector3(e){return this.setFromValues(e.x,e.y,e.z)}clone(){return new T(this.crs,this.x,this.y,this.z)}copy(e){return this.crs=e.crs,this.setFromVector3(e)}get longitude(){return this.x}get latitude(){return this.y}get altitude(){return this.z}set altitude(e){this.z=e}get geodesicNormal(){return this._normalNeedsUpdate&&(this._normalNeedsUpdate=!1,d(this.crs)?b.geodeticSurfaceNormalCartographic(this,this._normal):"EPSG:4978"==this.crs?b.geodeticSurfaceNormal(this,this._normal):this._normal.set(0,0,1)),this._normal}toVector3(){return(arguments.length>0&&void 0!==arguments[0]?arguments[0]:new s.Vector3).copy(this)}toArray(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return s.Vector3.prototype.toArray.call(this,e,t)}planarDistanceTo(e){return this.toVector3(E).setZ(0),e.toVector3(M).setZ(0),E.distanceTo(M)}geodeticDistanceTo(e){return this.as("EPSG:4326",S),e.as("EPSG:4326",C),b.geodesicDistance(S,C)}spatialEuclideanDistanceTo(e){return this.as("EPSG:4978",S).toVector3(E),e.as("EPSG:4978",C).toVector3(M),E.distanceTo(M)}applyMatrix4(e){return s.Vector3.prototype.applyMatrix4.call(this,e),this}as(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new T(e);var r,n;return this.crs==e?t.copy(this):(d(this.crs)&&"EPSG:3857"==e&&(this.y=s.MathUtils.clamp(this.y,-89.999999,89.999999)),t.setFromArray((r=this.crs,n=e,w[r]||(w[r]={}),w[r][n]||(w[r][n]=(0,o.A)(r,n)),w[r][n]).forward([this.x,this.y,this.z]))),t.crs=e,t}}S=new T("EPSG:4326",0,0,0),C=new T("EPSG:4326",0,0,0);const I=T,R=new s.Vector2,B=new s.Vector2,L=new s.Box3,P=new s.Vector2(2,2),D=new I("EPSG:4326",0,0,0),O=new I("EPSG:4326",0,0,0),F=new I("EPSG:4326",0,0,0),U=new s.Vector3,N=new s.Vector3;let k;const z=new Array(8);for(let e=z.length-1;e>=0;e--)z[e]=new I("EPSG:4326",0,0,0);const G=new I("EPSG:4326",0,0);class Q{constructor(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0;if(A(e))throw new Error(`Non-compatible geocentric projection ${e} to build a geographical extent`);this.isExtent=!0,this.crs=e,this.west=0,this.east=0,this.south=0,this.north=0,this.set(t,r,n,i)}clone(){return new Q(this.crs,this.west,this.east,this.south,this.north)}as(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new Q("EPSG:4326");if(y(e),this.crs!=e){const r=this.center(G);z[0].setFromValues(this.west,this.north),z[1].setFromValues(r.x,this.north),z[2].setFromValues(this.east,this.north),z[3].setFromValues(this.east,r.y),z[4].setFromValues(this.east,this.south),z[5].setFromValues(r.x,this.south),z[6].setFromValues(this.west,this.south),z[7].setFromValues(this.west,r.y),t.set(1/0,-1/0,1/0,-1/0);for(let r=0;r<z.length;r++)z[r].crs=this.crs,z[r].as(e,G),t.north=Math.max(t.north,G.y),t.south=Math.min(t.south,G.y),t.east=Math.max(t.east,G.x),t.west=Math.min(t.west,G.x);return t.crs=e,t}return t.crs=e,t.set(this.west,this.east,this.south,this.north),t}center(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new I(this.crs);return this.planarDimensions(R),e.crs=this.crs,e.setFromValues(this.west+.5*R.x,this.south+.5*R.y),e}planarDimensions(){return(arguments.length>0&&void 0!==arguments[0]?arguments[0]:new s.Vector2).set(Math.abs(this.east-this.west),Math.abs(this.north-this.south))}geodeticDimensions(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new s.Vector2;return D.crs=this.crs,O.crs=this.crs,F.crs=this.crs,D.setFromValues(this.west,this.north,0),O.setFromValues(this.west,this.south,0),F.setFromValues(this.east,this.north,0),e.set(D.geodeticDistanceTo(F),D.geodeticDistanceTo(O))}spatialEuclideanDimensions(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new s.Vector2;return D.crs=this.crs,O.crs=this.crs,F.crs=this.crs,D.setFromValues(this.west,this.north,0),O.setFromValues(this.west,this.south,0),F.setFromValues(this.east,this.north,0),e.set(D.spatialEuclideanDistanceTo(F),D.spatialEuclideanDistanceTo(O))}isPointInside(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return this.crs==e.crs?G.copy(e):e.as(this.crs,G),G.x<=this.east+t&&G.x>=this.west-t&&G.y<=this.north+t&&G.y>=this.south-t}isInside(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:v(this.crs);return e.as(this.crs,k),this.east-k.east<=t&&k.west-this.west<=t&&this.north-k.north<=t&&k.south-this.south<=t}offsetToParent(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new s.Vector4;if(this.crs!=e.crs)throw new Error("unsupported mix");e.planarDimensions(R),this.planarDimensions(B);const r=(this.west-e.west)/R.x,n=(e.north-this.north)/R.y,i=B.x/R.x,o=B.y/R.y;return t.set(r,n,i,o)}intersectsExtent(e){return Q.intersectsExtent(this,e)}static intersectsExtent(e,t){const r=t.crs==e.crs?t:t.as(e.crs,k);return!(e.west>=r.east||e.east<=r.west||e.south>=r.north||e.north<=r.south)}intersect(e){return this.intersectsExtent(e)?(e.crs!=this.crs&&(e=e.as(this.crs,k)),new Q(this.crs,Math.max(this.west,e.west),Math.min(this.east,e.east),Math.max(this.south,e.south),Math.min(this.north,e.north))):new Q(this.crs)}set(e,t,r,n){if(null==e)throw new Error("No values to set in the extent");return void 0!==e.west?(console.warn("Deprecated Extent#constructor(string, Extent) and Extent#set(Extent),","use new Extent(string).setFromExtent(Extent) instead."),this.setFromExtent(e)):4==e.length?(console.warn("Deprecated Extent#constructor(string, number[]) and Extent#set(number[]),","use new Extent(string).setFromArray(number[]) instead."),this.setFromArray(e)):void 0!==n&&(this.west=e,this.east=t,this.south=r,this.north=n),this}setFromArray(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return this.west=e[t],this.east=e[t+1],this.south=e[t+2],this.north=e[t+3],this}setFromExtent(e){return this.west=e.west,this.east=e.east,this.south=e.south,this.north=e.north,this}copy(e){return this.crs=e.crs,this.setFromExtent(e)}union(e){if(e.crs!=this.crs)throw new Error("unsupported union between 2 diff crs");if(this.west===1/0)this.copy(e);else{const t=e.west;t<this.west&&(this.west=t);const r=e.east;r>this.east&&(this.east=r);const n=e.south;n<this.south&&(this.south=n);const i=e.north;i>this.north&&(this.north=i)}}expandByCoordinates(e){const t=e.crs==this.crs?e:e.as(this.crs,G);this.expandByValuesCoordinates(t.x,t.y)}expandByValuesCoordinates(e,t){e<this.west&&(this.west=e),e>this.east&&(this.east=e),t<this.south&&(this.south=t),t>this.north&&(this.north=t)}static fromBox3(e,t){return A(e)&&(e="EPSG:4326",t=L.copy(t),O.crs=e,O.setFromVector3(t.min).as(e,O).toVector3(t.min),F.crs=e,F.setFromVector3(t.max).as(e,F).toVector3(t.max)),new Q(e).setFromExtent({west:t.min.x,east:t.max.x,south:t.min.y,north:t.max.y})}toString(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"";return`${this.east}${e}${this.north}${e}${this.west}${e}${this.south}`}subdivision(){return this.subdivisionByScheme()}subdivisionByScheme(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:P;const t=[],r=this.planarDimensions(R).divide(e);for(let n=e.x-1;n>=0;n--)for(let i=e.y-1;i>=0;i--){const e=this.west+n*r.x,s=this.south+i*r.y;t.push(new Q(this.crs,e,e+r.x,s,s+r.y))}return t}applyMatrix4(e){if(U.set(this.west,this.south,0).applyMatrix4(e),N.set(this.east,this.north,0).applyMatrix4(e),this.west=U.x,this.east=N.x,this.south=U.y,this.north=N.y,this.west>this.east){const e=this.west;this.west=this.east,this.east=e}if(this.south>this.north){const e=this.south;this.south=this.north,this.north=e}return this}clampSouthNorth(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.south,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.north;return this.south=Math.max(this.south,e),this.north=Math.min(this.north,t),this}clampWestEast(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.west,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.east;return this.west=Math.max(this.west,e),this.east=Math.min(this.east,t),this}clampByExtent(e){return this.clampSouthNorth(e.south,e.north),this.clampWestEast(e.west,e.east)}}k=new Q("EPSG:4326");const V=Q,H={getSunPosition(){const e=Math,t=e.PI,r=e.sin,n=e.cos,i=e.tan,s=e.asin,o=e.atan2,a=t/180,l=23.4397*a;function c(e,t,s){return o(r(e),n(e)*r(t)-i(s)*n(t))}function h(e,t,i){return s(r(t)*r(i)+n(t)*n(i)*n(e))}return function(e,u,d){const p=a*-d,f=a*u,m=function(e){return function(e){return e.valueOf()/864e5-.5+2440588}(e)-2451545}(e),g=function(e){return a*(357.5291+.98560028*e)}(m),A=function(e){return a*(1.9148*r(e)+.02*r(2*e)+3e-4*r(3*e))}(g),y=function(e,r){return e+r+102.9372*a+t}(g,A),v=(x=y,s(r(0)*n(l)+n(0)*r(l)*r(x)));var x;const _=function(e){return o(r(e)*n(l)-i(0)*r(l),n(e))}(y),b=function(e,t){return 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