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e)r.setAttribute(t,e[t]);r.dispatchEvent(n)})).catch((()=>{}))}handleTooltip(t,e,n){if(e&&null!=e.tooltip){e=function(t,e,n,r){var i,o,a=t&&t.mark;if(a&&(i=Hy[a.marktype]).tip){for((o=av(e,n))[0]-=r[0],o[1]-=r[1];t=t.mark.group;)o[0]-=t.x||0,o[1]-=t.y||0;t=i.tip(a.items,o)}return t}(e,t,this.canvas(),this._origin);const r=n&&e&&e.tooltip||null;this._tooltip.call(this._obj,this,t,e,r)}}getItemBoundingClientRect(t){const e=this.canvas();if(!e)return;const n=e.getBoundingClientRect(),r=this._origin,i=t.bounds,o=i.width(),a=i.height();let s=i.x1+r[0]+n.left,u=i.y1+r[1]+n.top;for(;t.mark&&(t=t.mark.group);)s+=t.x||0,u+=t.y||0;return{x:s,y:u,width:o,height:a,left:s,top:u,right:s+o,bottom:u+a}}}function uv(t,e,n,r){t.element().setAttribute("title",r||"")}class lv{constructor(t){this._el=null,this._bgcolor=null,this._loader=new Zg(t)}initialize(t,e,n,r,i){return this._el=t,this.resize(e,n,r,i)}element(){return this._el}canvas(){return this._el&&this._el.firstChild}background(t){return 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this._canvas.getContext("2d")}DOMMouseScroll(t){this.fire(wv,t)}pointerdown(t){this._down=this._active,this.fire(dv,t)}mousedown(t){this._down=this._active,this.fire(yv,t)}click(t){this._down===this._active&&(this.fire(bv,t),this._down=null)}touchstart(t){this._touch=this.pickEvent(t.changedTouches[0]),this._first&&(this._active=this._touch,this._first=!1),this.fire(kv,t,!0)}touchmove(t){this.fire(Av,t,!0)}touchend(t){this.fire(Mv,t,!0),this._touch=null}fire(t,e,n){const r=n?this._touch:this._active,i=this._handlers[t];if(e.vegaType=t,t===Fv&&r&&r.href?this.handleHref(e,r,r.href):t!==Dv&&t!==Cv||this.handleTooltip(e,r,t!==Cv),i)for(let t=0,n=i.length;t<n;++t)i[t].handler.call(this._obj,e,r)}on(t,e){const n=this.eventName(t),r=this._handlers;return this._handlerIndex(r[n],t,e)<0&&(Tv(this,t),(r[n]||(r[n]=[])).push({type:t,handler:e})),this}off(t,e){const n=this.eventName(t),r=this._handlers[n],i=this._handlerIndex(r,t,e);return i>=0&&r.splice(i,1),this}pickEvent(t){const 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yF(e.materialize(e.SOURCE).source||[],t.size,t.sort,V(null==t.offset?1:t.offset),V(t.anchor||_F),t.avoidMarks||[],!1!==t.avoidBaseMark,t.lineAnchor||"end",t.markIndex||0,void 0===t.padding?0:t.padding,t.method||"naive").forEach((t=>{const e=t.datum;e[r[0]]=t.x,e[r[1]]=t.y,e[r[2]]=t.opacity,e[r[3]]=t.align,e[r[4]]=t.baseline})),e.reflow(n).modifies(r)}});var bF=Object.freeze({__proto__:null,label:xF});function wF(t,e){var n,r,i,o,a,s,u=[],l=function(t){return t(o)};if(null==e)u.push(t);else for(n={},r=0,i=t.length;r<i;++r)o=t[r],(s=n[a=e.map(l)])||(n[a]=s=[],s.dims=a,u.push(s)),s.push(o);return u}function kF(t){Ja.call(this,null,t)}kF.Definition={type:"Loess",metadata:{generates:!0},params:[{name:"x",type:"field",required:!0},{name:"y",type:"field",required:!0},{name:"groupby",type:"field",array:!0},{name:"bandwidth",type:"number",default:.3},{name:"as",type:"string",array:!0}]},dt(kF,Ja,{transform(t,e){const r=e.fork(e.NO_SOURCE|e.NO_FIELDS);if(!this.value||e.changed()||t.modified()){const i=wF(e.materialize(e.SOURCE).source,t.groupby),o=(t.groupby||[]).map(n),a=o.length,s=t.as||[n(t.x),n(t.y)],u=[];i.forEach((e=>{Ls(e,t.x,t.y,t.bandwidth||.3).forEach((t=>{const n={};for(let t=0;t<a;++t)n[o[t]]=e.dims[t];n[s[0]]=t[0],n[s[1]]=t[1],u.push(_a(n))}))})),this.value&&(r.rem=this.value),this.value=r.add=r.source=u}return r}});const AF={constant:Ds,linear:Ts,log:Bs,exp:zs,pow:Ns,quad:Os,poly:Rs};function MF(t){Ja.call(this,null,t)}MF.Definition={type:"Regression",metadata:{generates:!0},params:[{name:"x",type:"field",required:!0},{name:"y",type:"field",required:!0},{name:"groupby",type:"field",array:!0},{name:"method",type:"string",default:"linear",values:Object.keys(AF)},{name:"order",type:"number",default:3},{name:"extent",type:"number",array:!0,length:2},{name:"params",type:"boolean",default:!1},{name:"as",type:"string",array:!0}]},dt(MF,Ja,{transform(t,e){const r=e.fork(e.NO_SOURCE|e.NO_FIELDS);if(!this.value||e.changed()||t.modified()){const i=wF(e.materialize(e.SOURCE).source,t.groupby),o=(t.groupby||[]).map(n),a=t.method||"linear",u=null==t.order?3:t.order,l=((t,e)=>"poly"===t?e:"quad"===t?2:1)(a,u),c=t.as||[n(t.x),n(t.y)],f=AF[a],h=[];let d=t.extent;lt(AF,a)||s("Invalid regression method: "+a),null!=d&&"log"===a&&d[0]<=0&&(e.dataflow.warn("Ignoring extent with values <= 0 for log regression."),d=null),i.forEach((n=>{if(n.length<=l)return void e.dataflow.warn("Skipping regression with more parameters than data points.");const r=f(n,t.x,t.y,u);if(t.params)return void h.push(_a({keys:n.dims,coef:r.coef,rSquared:r.rSquared}));const i=d||at(n,t.x),s=t=>{const e={};for(let t=0;t<o.length;++t)e[o[t]]=n.dims[t];e[c[0]]=t[0],e[c[1]]=t[1],h.push(_a(e))};"linear"===a||"constant"===a?i.forEach((t=>s([t,r.predict(t)]))):Is(r.predict,i,25,200).forEach(s)})),this.value&&(r.rem=this.value),this.value=r.add=r.source=h}return r}});var EF=Object.freeze({__proto__:null,loess:kF,regression:MF});const DF=134217729,CF=33306690738754706e-32;function FF(t,e,n,r,i){let o,a,s,u,l=e[0],c=r[0],f=0,h=0;c>l==c>-l?(o=l,l=e[++f]):(o=c,c=r[++h]);let d=0;if(f<t&&h<n)for(c>l==c>-l?(a=l+o,s=o-(a-l),l=e[++f]):(a=c+o,s=o-(a-c),c=r[++h]),o=a,0!==s&&(i[d++]=s);f<t&&h<n;)c>l==c>-l?(a=o+l,u=a-o,s=o-(a-u)+(l-u),l=e[++f]):(a=o+c,u=a-o,s=o-(a-u)+(c-u),c=r[++h]),o=a,0!==s&&(i[d++]=s);for(;f<t;)a=o+l,u=a-o,s=o-(a-u)+(l-u),l=e[++f],o=a,0!==s&&(i[d++]=s);for(;h<n;)a=o+c,u=a-o,s=o-(a-u)+(c-u),c=r[++h],o=a,0!==s&&(i[d++]=s);return 0===o&&0!==d||(i[d++]=o),d}function SF(t){return new Float64Array(t)}const $F=22204460492503146e-32,TF=11093356479670487e-47,BF=SF(4),zF=SF(8),NF=SF(12),OF=SF(16),RF=SF(4);function UF(t,e,n,r,i,o){const a=(e-o)*(n-i),s=(t-i)*(r-o),u=a-s;if(0===a||0===s||a>0!=s>0)return u;const l=Math.abs(a+s);return Math.abs(u)>=33306690738754716e-32*l?u:-function(t,e,n,r,i,o,a){let s,u,l,c,f,h,d,p,g,m,y,v,_,x,b,w,k,A;const M=t-i,E=n-i,D=e-o,C=r-o;x=M*C,h=DF*M,d=h-(h-M),p=M-d,h=DF*C,g=h-(h-C),m=C-g,b=p*m-(x-d*g-p*g-d*m),w=D*E,h=DF*D,d=h-(h-D),p=D-d,h=DF*E,g=h-(h-E),m=E-g,k=p*m-(w-d*g-p*g-d*m),y=b-k,f=b-y,BF[0]=b-(y+f)+(f-k),v=x+y,f=v-x,_=x-(v-f)+(y-f),y=_-w,f=_-y,BF[1]=_-(y+f)+(f-w),A=v+y,f=A-v,BF[2]=v-(A-f)+(y-f),BF[3]=A;let F=function(t,e){let n=e[0];for(let r=1;r<t;r++)n+=e[r];return n}(4,BF),S=$F*a;if(F>=S||-F>=S)return F;if(f=t-M,s=t-(M+f)+(f-i),f=n-E,l=n-(E+f)+(f-i),f=e-D,u=e-(D+f)+(f-o),f=r-C,c=r-(C+f)+(f-o),0===s&&0===u&&0===l&&0===c)return F;if(S=TF*a+CF*Math.abs(F),F+=M*c+C*s-(D*l+E*u),F>=S||-F>=S)return F;x=s*C,h=DF*s,d=h-(h-s),p=s-d,h=DF*C,g=h-(h-C),m=C-g,b=p*m-(x-d*g-p*g-d*m),w=u*E,h=DF*u,d=h-(h-u),p=u-d,h=DF*E,g=h-(h-E),m=E-g,k=p*m-(w-d*g-p*g-d*m),y=b-k,f=b-y,RF[0]=b-(y+f)+(f-k),v=x+y,f=v-x,_=x-(v-f)+(y-f),y=_-w,f=_-y,RF[1]=_-(y+f)+(f-w),A=v+y,f=A-v,RF[2]=v-(A-f)+(y-f),RF[3]=A;const 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A=3;n[h]=e[p]=d,n[d]=e[h]=p,n[p]=e[d]=h,r[h]=0,r[d]=1,r[p]=2,i.fill(-1),i[this._hashKey(m,y)]=h,i[this._hashKey(v,_)]=d,i[this._hashKey(b,w)]=p,this.trianglesLen=0,this._addTriangle(h,d,p,-1,-1,-1);for(let o,a,s=0;s<this._ids.length;s++){const u=this._ids[s],l=t[2*u],c=t[2*u+1];if(s>0&&Math.abs(l-o)<=LF&&Math.abs(c-a)<=LF)continue;if(o=l,a=c,u===h||u===d||u===p)continue;let f=0;for(let t=0,e=this._hashKey(l,c);t<this._hashSize&&(f=i[(e+t)%this._hashSize],-1===f||f===n[f]);t++);f=e[f];let g,m=f;for(;g=n[m],UF(l,c,t[2*m],t[2*m+1],t[2*g],t[2*g+1])>=0;)if(m=g,m===f){m=-1;break}if(-1===m)continue;let y=this._addTriangle(m,u,n[m],-1,-1,r[m]);r[u]=this._legalize(y+2),r[m]=y,A++;let v=n[m];for(;g=n[v],UF(l,c,t[2*v],t[2*v+1],t[2*g],t[2*g+1])<0;)y=this._addTriangle(v,u,g,r[u],-1,r[v]),r[u]=this._legalize(y+2),n[v]=v,A--,v=g;if(m===f)for(;g=e[m],UF(l,c,t[2*g],t[2*g+1],t[2*m],t[2*m+1])<0;)y=this._addTriangle(g,u,m,-1,r[m],r[g]),this._legalize(y+2),r[g]=y,n[m]=m,A--,m=g;this._hullStart=e[u]=m,n[m]=e[v]=u,n[u]=v,i[this._hashKey(l,c)]=u,i[this._hashKey(t[2*m],t[2*m+1])]=m}this.hull=new Uint32Array(A);for(let t=0,e=this._hullStart;t<A;t++)this.hull[t]=e,e=n[e];this.triangles=this._triangles.subarray(0,this.trianglesLen),this.halfedges=this._halfedges.subarray(0,this.trianglesLen)}_hashKey(t,e){return Math.floor(function(t,e){const n=t/(Math.abs(t)+Math.abs(e));return(e>0?3-n:1+n)/4}(t-this._cx,e-this._cy)*this._hashSize)%this._hashSize}_legalize(t){const{_triangles:e,_halfedges:n,coords:r}=this;let i=0,o=0;for(;;){const a=n[t],s=t-t%3;if(o=s+(t+2)%3,-1===a){if(0===i)break;t=qF[--i];continue}const 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a=n-t,s=r-e,u=i-t,l=o-e,c=a*a+s*s,f=u*u+l*l,h=.5/(a*l-s*u),d=(l*c-s*f)*h,p=(a*f-u*c)*h;return d*d+p*p}function HF(t,e,n,r){if(r-n<=20)for(let i=n+1;i<=r;i++){const r=t[i],o=e[r];let a=i-1;for(;a>=n&&e[t[a]]>o;)t[a+1]=t[a--];t[a+1]=r}else{let i=n+1,o=r;YF(t,n+r>>1,i),e[t[n]]>e[t[r]]&&YF(t,n,r),e[t[i]]>e[t[r]]&&YF(t,i,r),e[t[n]]>e[t[i]]&&YF(t,n,i);const a=t[i],s=e[a];for(;;){do{i++}while(e[t[i]]<s);do{o--}while(e[t[o]]>s);if(o<i)break;YF(t,i,o)}t[n+1]=t[o],t[o]=a,r-i+1>=o-n?(HF(t,e,i,r),HF(t,e,n,o-1)):(HF(t,e,n,o-1),HF(t,e,i,r))}}function YF(t,e,n){const r=t[e];t[e]=t[n],t[n]=r}function GF(t){return t[0]}function VF(t){return t[1]}const XF=1e-6;class JF{constructor(){this._x0=this._y0=this._x1=this._y1=null,this._=""}moveTo(t,e){this._+=`M${this._x0=this._x1=+t},${this._y0=this._y1=+e}`}closePath(){null!==this._x1&&(this._x1=this._x0,this._y1=this._y0,this._+="Z")}lineTo(t,e){this._+=`L${this._x1=+t},${this._y1=+e}`}arc(t,e,n){const r=(t=+t)+(n=+n),i=e=+e;if(n<0)throw new Error("negative 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this.delaunay.update(),this._init(),this}_init(){const{delaunay:{points:t,hull:e,triangles:n},vectors:r}=this;let i,o;const a=this.circumcenters=this._circumcenters.subarray(0,n.length/3*2);for(let r,s,u=0,l=0,c=n.length;u<c;u+=3,l+=2){const c=2*n[u],f=2*n[u+1],h=2*n[u+2],d=t[c],p=t[c+1],g=t[f],m=t[f+1],y=t[h],v=t[h+1],_=g-d,x=m-p,b=y-d,w=v-p,k=2*(_*w-x*b);if(Math.abs(k)<1e-9){if(void 0===i){i=o=0;for(const n of e)i+=t[2*n],o+=t[2*n+1];i/=e.length,o/=e.length}const n=1e9*Math.sign((i-d)*w-(o-p)*b);r=(d+y)/2-n*w,s=(p+v)/2+n*b}else{const t=1/k,e=_*_+x*x,n=b*b+w*w;r=d+(w*e-x*n)*t,s=p+(_*n-b*e)*t}a[l]=r,a[l+1]=s}let s,u,l,c=e[e.length-1],f=4*c,h=t[2*c],d=t[2*c+1];r.fill(0);for(let n=0;n<e.length;++n)c=e[n],s=f,u=h,l=d,f=4*c,h=t[2*c],d=t[2*c+1],r[s+2]=r[f]=l-d,r[s+3]=r[f+1]=h-u}render(t){const e=null==t?t=new JF:void 0,{delaunay:{halfedges:n,inedges:r,hull:i},circumcenters:o,vectors:a}=this;if(i.length<=1)return null;for(let e=0,r=n.length;e<r;++e){const r=n[e];if(r<e)continue;const i=2*Math.floor(e/3),a=2*Math.floor(r/3),s=o[i],u=o[i+1],l=o[a],c=o[a+1];this._renderSegment(s,u,l,c,t)}let s,u=i[i.length-1];for(let e=0;e<i.length;++e){s=u,u=i[e];const n=2*Math.floor(r[u]/3),l=o[n],c=o[n+1],f=4*s,h=this._project(l,c,a[f+2],a[f+3]);h&&this._renderSegment(l,c,h[0],h[1],t)}return e&&e.value()}renderBounds(t){const e=null==t?t=new JF:void 0;return t.rect(this.xmin,this.ymin,this.xmax-this.xmin,this.ymax-this.ymin),e&&e.value()}renderCell(t,e){const n=null==e?e=new JF:void 0,r=this._clip(t);if(null===r||!r.length)return;e.moveTo(r[0],r[1]);let i=r.length;for(;r[0]===r[i-2]&&r[1]===r[i-1]&&i>1;)i-=2;for(let t=2;t<i;t+=2)r[t]===r[t-2]&&r[t+1]===r[t-1]||e.lineTo(r[t],r[t+1]);return e.closePath(),n&&n.value()}*cellPolygons(){const{delaunay:{points:t}}=this;for(let e=0,n=t.length/2;e<n;++e){const t=this.cellPolygon(e);t&&(t.index=e,yield t)}}cellPolygon(t){const e=new ZF;return this.renderCell(t,e),e.value()}_renderSegment(t,e,n,r,i){let o;const a=this._regioncode(t,e),s=this._regioncode(n,r);0===a&&0===s?(i.moveTo(t,e),i.lineTo(n,r)):(o=this._clipSegment(t,e,n,r,a,s))&&(i.moveTo(o[0],o[1]),i.lineTo(o[2],o[3]))}contains(t,e,n){return(e=+e)==e&&(n=+n)==n&&this.delaunay._step(t,e,n)===t}*neighbors(t){const e=this._clip(t);if(e)for(const n of this.delaunay.neighbors(t)){const t=this._clip(n);if(t)t:for(let r=0,i=e.length;r<i;r+=2)for(let o=0,a=t.length;o<a;o+=2)if(e[r]===t[o]&&e[r+1]===t[o+1]&&e[(r+2)%i]===t[(o+a-2)%a]&&e[(r+3)%i]===t[(o+a-1)%a]){yield n;break t}}}_cell(t){const{circumcenters:e,delaunay:{inedges:n,halfedges:r,triangles:i}}=this,o=n[t];if(-1===o)return null;const a=[];let s=o;do{const n=Math.floor(s/3);if(a.push(e[2*n],e[2*n+1]),s=s%3==2?s-2:s+1,i[s]!==t)break;s=r[s]}while(s!==o&&-1!==s);return a}_clip(t){if(0===t&&1===this.delaunay.hull.length)return[this.xmax,this.ymin,this.xmax,this.ymax,this.xmin,this.ymax,this.xmin,this.ymin];const e=this._cell(t);if(null===e)return null;const{vectors:n}=this,r=4*t;return this._simplify(n[r]||n[r+1]?this._clipInfinite(t,e,n[r],n[r+1],n[r+2],n[r+3]):this._clipFinite(t,e))}_clipFinite(t,e){const n=e.length;let r,i,o,a,s=null,u=e[n-2],l=e[n-1],c=this._regioncode(u,l),f=0;for(let h=0;h<n;h+=2)if(r=u,i=l,u=e[h],l=e[h+1],o=c,c=this._regioncode(u,l),0===o&&0===c)a=f,f=0,s?s.push(u,l):s=[u,l];else{let e,n,h,d,p;if(0===o){if(null===(e=this._clipSegment(r,i,u,l,o,c)))continue;[n,h,d,p]=e}else{if(null===(e=this._clipSegment(u,l,r,i,c,o)))continue;[d,p,n,h]=e,a=f,f=this._edgecode(n,h),a&&f&&this._edge(t,a,f,s,s.length),s?s.push(n,h):s=[n,h]}a=f,f=this._edgecode(d,p),a&&f&&this._edge(t,a,f,s,s.length),s?s.push(d,p):s=[d,p]}if(s)a=f,f=this._edgecode(s[0],s[1]),a&&f&&this._edge(t,a,f,s,s.length);else if(this.contains(t,(this.xmin+this.xmax)/2,(this.ymin+this.ymax)/2))return[this.xmax,this.ymin,this.xmax,this.ymax,this.xmin,this.ymax,this.xmin,this.ymin];return s}_clipSegment(t,e,n,r,i,o){const a=i<o;for(a&&([t,e,n,r,i,o]=[n,r,t,e,o,i]);;){if(0===i&&0===o)return a?[n,r,t,e]:[t,e,n,r];if(i&o)return null;let s,u,l=i||o;8&l?(s=t+(n-t)*(this.ymax-e)/(r-e),u=this.ymax):4&l?(s=t+(n-t)*(this.ymin-e)/(r-e),u=this.ymin):2&l?(u=e+(r-e)*(this.xmax-t)/(n-t),s=this.xmax):(u=e+(r-e)*(this.xmin-t)/(n-t),s=this.xmin),i?(t=s,e=u,i=this._regioncode(t,e)):(n=s,r=u,o=this._regioncode(n,r))}}_clipInfinite(t,e,n,r,i,o){let a,s=Array.from(e);if((a=this._project(s[0],s[1],n,r))&&s.unshift(a[0],a[1]),(a=this._project(s[s.length-2],s[s.length-1],i,o))&&s.push(a[0],a[1]),s=this._clipFinite(t,s))for(let e,n=0,r=s.length,i=this._edgecode(s[r-2],s[r-1]);n<r;n+=2)e=i,i=this._edgecode(s[n],s[n+1]),e&&i&&(n=this._edge(t,e,i,s,n),r=s.length);else this.contains(t,(this.xmin+this.xmax)/2,(this.ymin+this.ymax)/2)&&(s=[this.xmin,this.ymin,this.xmax,this.ymin,this.xmax,this.ymax,this.xmin,this.ymax]);return s}_edge(t,e,n,r,i){for(;e!==n;){let n,o;switch(e){case 5:e=4;continue;case 4:e=6,n=this.xmax,o=this.ymin;break;case 6:e=2;continue;case 2:e=10,n=this.xmax,o=this.ymax;break;case 10:e=8;continue;case 8:e=9,n=this.xmin,o=this.ymax;break;case 9:e=1;continue;case 1:e=5,n=this.xmin,o=this.ymin}r[i]===n&&r[i+1]===o||!this.contains(t,n,o)||(r.splice(i,0,n,o),i+=2)}return i}_project(t,e,n,r){let i,o,a,s=1/0;if(r<0){if(e<=this.ymin)return null;(i=(this.ymin-e)/r)<s&&(a=this.ymin,o=t+(s=i)*n)}else if(r>0){if(e>=this.ymax)return null;(i=(this.ymax-e)/r)<s&&(a=this.ymax,o=t+(s=i)*n)}if(n>0){if(t>=this.xmax)return null;(i=(this.xmax-t)/n)<s&&(o=this.xmax,a=e+(s=i)*r)}else if(n<0){if(t<=this.xmin)return null;(i=(this.xmin-t)/n)<s&&(o=this.xmin,a=e+(s=i)*r)}return[o,a]}_edgecode(t,e){return(t===this.xmin?1:t===this.xmax?2:0)|(e===this.ymin?4:e===this.ymax?8:0)}_regioncode(t,e){return(t<this.xmin?1:t>this.xmax?2:0)|(e<this.ymin?4:e>this.ymax?8:0)}_simplify(t){if(t&&t.length>4){for(let e=0;e<t.length;e+=2){const n=(e+2)%t.length,r=(e+4)%t.length;(t[e]===t[n]&&t[n]===t[r]||t[e+1]===t[n+1]&&t[n+1]===t[r+1])&&(t.splice(n,2),e-=2)}t.length||(t=null)}return t}};const KF=2*Math.PI,tS=Math.pow;function eS(t){return t[0]}function nS(t){return t[1]}function rS(t,e,n){return[t+Math.sin(t+e)*n,e+Math.cos(t-e)*n]}class iS{static from(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:eS,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:nS,r=arguments.length>3?arguments[3]:void 0;return new iS("length"in t?function(t,e,n,r){const i=t.length,o=new Float64Array(2*i);for(let a=0;a<i;++a){const i=t[a];o[2*a]=e.call(r,i,a,t),o[2*a+1]=n.call(r,i,a,t)}return o}(t,e,n,r):Float64Array.from(function*(t,e,n,r){let i=0;for(const o of t)yield e.call(r,o,i,t),yield n.call(r,o,i,t),++i}(t,e,n,r)))}constructor(t){this._delaunator=new PF(t),this.inedges=new Int32Array(t.length/2),this._hullIndex=new Int32Array(t.length/2),this.points=this._delaunator.coords,this._init()}update(){return this._delaunator.update(),this._init(),this}_init(){const t=this._delaunator,e=this.points;if(t.hull&&t.hull.length>2&&function(t){const{triangles:e,coords:n}=t;for(let t=0;t<e.length;t+=3){const r=2*e[t],i=2*e[t+1],o=2*e[t+2];if((n[o]-n[r])*(n[i+1]-n[r+1])-(n[i]-n[r])*(n[o+1]-n[r+1])>1e-10)return!1}return!0}(t)){this.collinear=Int32Array.from({length:e.length/2},((t,e)=>e)).sort(((t,n)=>e[2*t]-e[2*n]||e[2*t+1]-e[2*n+1]));const t=this.collinear[0],n=this.collinear[this.collinear.length-1],r=[e[2*t],e[2*t+1],e[2*n],e[2*n+1]],i=1e-8*Math.hypot(r[3]-r[1],r[2]-r[0]);for(let t=0,n=e.length/2;t<n;++t){const n=rS(e[2*t],e[2*t+1],i);e[2*t]=n[0],e[2*t+1]=n[1]}this._delaunator=new PF(e)}else delete this.collinear;const n=this.halfedges=this._delaunator.halfedges,r=this.hull=this._delaunator.hull,i=this.triangles=this._delaunator.triangles,o=this.inedges.fill(-1),a=this._hullIndex.fill(-1);for(let t=0,e=n.length;t<e;++t){const e=i[t%3==2?t-2:t+1];-1!==n[t]&&-1!==o[e]||(o[e]=t)}for(let t=0,e=r.length;t<e;++t)a[r[t]]=t;r.length<=2&&r.length>0&&(this.triangles=new Int32Array(3).fill(-1),this.halfedges=new Int32Array(3).fill(-1),this.triangles[0]=r[0],o[r[0]]=1,2===r.length&&(o[r[1]]=0,this.triangles[1]=r[1],this.triangles[2]=r[1]))}voronoi(t){return new QF(this,t)}*neighbors(t){const{inedges:e,hull:n,_hullIndex:r,halfedges:i,triangles:o,collinear:a}=this;if(a){const e=a.indexOf(t);return e>0&&(yield a[e-1]),void(e<a.length-1&&(yield a[e+1]))}const s=e[t];if(-1===s)return;let u=s,l=-1;do{if(yield l=o[u],u=u%3==2?u-2:u+1,o[u]!==t)return;if(u=i[u],-1===u){const e=n[(r[t]+1)%n.length];return void(e!==l&&(yield e))}}while(u!==s)}find(t,e){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;if((t=+t)!=t||(e=+e)!=e)return-1;const r=n;let i;for(;(i=this._step(n,t,e))>=0&&i!==n&&i!==r;)n=i;return i}_step(t,e,n){const{inedges:r,hull:i,_hullIndex:o,halfedges:a,triangles:s,points:u}=this;if(-1===r[t]||!u.length)return(t+1)%(u.length>>1);let l=t,c=tS(e-u[2*t],2)+tS(n-u[2*t+1],2);const f=r[t];let h=f;do{let r=s[h];const f=tS(e-u[2*r],2)+tS(n-u[2*r+1],2);if(f<c&&(c=f,l=r),h=h%3==2?h-2:h+1,s[h]!==t)break;if(h=a[h],-1===h){if(h=i[(o[t]+1)%i.length],h!==r&&tS(e-u[2*h],2)+tS(n-u[2*h+1],2)<c)return h;break}}while(h!==f);return l}render(t){const e=null==t?t=new JF:void 0,{points:n,halfedges:r,triangles:i}=this;for(let e=0,o=r.length;e<o;++e){const o=r[e];if(o<e)continue;const a=2*i[e],s=2*i[o];t.moveTo(n[a],n[a+1]),t.lineTo(n[s],n[s+1])}return this.renderHull(t),e&&e.value()}renderPoints(t,e){void 0!==e||t&&"function"==typeof t.moveTo||(e=t,t=null),e=null==e?2:+e;const n=null==t?t=new JF:void 0,{points:r}=this;for(let n=0,i=r.length;n<i;n+=2){const i=r[n],o=r[n+1];t.moveTo(i+e,o),t.arc(i,o,e,0,KF)}return n&&n.value()}renderHull(t){const e=null==t?t=new JF:void 0,{hull:n,points:r}=this,i=2*n[0],o=n.length;t.moveTo(r[i],r[i+1]);for(let e=1;e<o;++e){const i=2*n[e];t.lineTo(r[i],r[i+1])}return t.closePath(),e&&e.value()}hullPolygon(){const t=new ZF;return this.renderHull(t),t.value()}renderTriangle(t,e){const 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