@juun-roh/cesium-utils/dist/utils/index.cjs

Utilities to handle Cesium classes easier.

"use strict";var T=Object.defineProperty;var P=Object.getOwnPropertyDescriptor;var S=Object.getOwnPropertyNames;var x=Object.prototype.hasOwnProperty;var M=(n,e)=>{for(var t in e)T(n,t,{get:e[t],enumerable:!0})},O=(n,e,t,i)=>{if(e&&typeof e=="object"||typeof e=="function")for(let r of S(e))!x.call(n,r)&&r!==t&&T(n,r,{get:()=>e[r],enumerable:!(i=P(e,r))||i.enumerable});return n};var F=n=>O(T({},"__esModule",{value:!0}),n);var V={};M(V,{TerrainVisualizer:()=>u,isGetterOnly:()=>g});module.exports=F(V);var s=require("cesium");var o=require("cesium");var C=class n{static symbol=Symbol("cesium-item-tag");tag;collection;_valuesCache=null;_tagMap=new Map;_eventListeners=new Map;_eventCleanupFunctions=[];constructor({collection:e,tag:t}){this.tag=t||"default",this.collection=e,this._setupCacheInvalidator(e)}[Symbol.iterator](){return this.values[Symbol.iterator]()}_emit(e,t){let i=this._eventListeners.get(e);if(i){let r={type:e,...t};i.forEach(a=>a(r))}}_addToTagMap(e,t){this._tagMap.has(t)||this._tagMap.set(t,new Set),this._tagMap.get(t)?.add(e)}_removeFromTagMap(e){let t=e[n.symbol],i=this._tagMap.get(t);i&&(i.delete(e),i.size===0&&this._tagMap.delete(t))}_invalidateCache=()=>{this._valuesCache=null};_setupCacheInvalidator(e){e instanceof o.EntityCollection?(e.collectionChanged.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.collectionChanged.removeEventListener(this._invalidateCache))):e instanceof o.PrimitiveCollection?(e.primitiveAdded.addEventListener(this._invalidateCache),e.primitiveRemoved.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.primitiveAdded.removeEventListener(this._invalidateCache),()=>e.primitiveRemoved.removeEventListener(this._invalidateCache))):e instanceof o.DataSourceCollection?(e.dataSourceAdded.addEventListener(this._invalidateCache),e.dataSourceMoved.addEventListener(this._invalidateCache),e.dataSourceRemoved.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.dataSourceAdded.removeEventListener(this._invalidateCache),()=>e.dataSourceMoved.removeEventListener(this._invalidateCache),()=>e.dataSourceRemoved.removeEventListener(this._invalidateCache))):e instanceof o.ImageryLayerCollection&&(e.layerAdded.addEventListener(this._invalidateCache),e.layerMoved.addEventListener(this._invalidateCache),e.layerRemoved.addEventListener(this._invalidateCache),e.layerShownOrHidden.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.layerAdded.removeEventListener(this._invalidateCache),()=>e.layerMoved.removeEventListener(this._invalidateCache),()=>e.layerRemoved.removeEventListener(this._invalidateCache),()=>e.layerShownOrHidden.removeEventListener(this._invalidateCache)))}addEventListener(e,t){return this._eventListeners.has(e)||this._eventListeners.set(e,new Set),this._eventListeners.get(e)?.add(t),this}removeEventListener(e,t){return this._eventListeners.get(e)?.delete(t),this}add(e,t=this.tag,i){return Array.isArray(e)?e.forEach(r=>{this.add(r,t)}):(Object.defineProperty(e,n.symbol,{value:t,enumerable:!1,writable:!0,configurable:!0}),this.collection.add(e,i),this._addToTagMap(e,t),this._invalidateCache(),this._emit("add",{items:[e],tag:t})),e}contains(e){if(typeof e=="object")return this.collection.contains(e);let t=this._tagMap.get(e);return!!t&&t.size>0}remove(e){if(typeof e=="object"&&!Array.isArray(e)){let r=this.collection.remove(e);return r&&(this._removeFromTagMap(e),this._invalidateCache(),this._emit("remove",{items:[e]})),r}if(Array.isArray(e)){if(e.length===0)return!1;let r=!1;for(let a of e)this.remove(a)&&(r=!0);return r}let t=this.get(e);if(t.length===0)return!1;let i=!1;for(let r of t)this.remove(r)&&(i=!0);return i}removeAll(){this._tagMap.clear(),this.collection.removeAll(),this._invalidateCache(),this._emit("clear")}destroy(){this._eventCleanupFunctions.forEach(e=>e()),this._eventCleanupFunctions=[],this._tagMap.clear(),this._eventListeners.clear(),this._valuesCache=null}get values(){if(this._valuesCache!==null)return this._valuesCache;let e;if(this.collection instanceof o.EntityCollection)e=this.collection.values;else{e=[];for(let t=0;t<this.collection.length;t++)e.push(this.collection.get(t))}return this._valuesCache=e,e}get length(){return this.values?.length||0}get(e){let t=this._tagMap.get(e);return t?Array.from(t):[]}first(e){let t=this._tagMap.get(e);if(t&&t.size>0)return t.values().next().value}get tags(){return Array.from(this._tagMap.keys())}update(e,t){let i=this.get(e);for(let r of i)this._removeFromTagMap(r),Object.defineProperty(r,n.symbol,{value:t,enumerable:!1,writable:!0,configurable:!0}),this._addToTagMap(r,t);return i.length>0&&this._emit("update",{items:i,tag:t}),i.length}show(e){let t=this.get(e);for(let i of t)(0,o.defined)(i.show)&&(i.show=!0);return this}hide(e){let t=this.get(e);for(let i of t)(0,o.defined)(i.show)&&(i.show=!1);return this}toggle(e){let t=this.get(e);for(let i of t)(0,o.defined)(i.show)&&(i.show=!i.show);return this}setProperty(e,t,i=this.tag){let r=this.get(i);for(let a of r)if(e in a&&typeof a[e]!="function"){if(g(a,e))throw Error(`Cannot set read-only property '${String(e)}' on ${a.constructor.name}`);a[e]=t}return this}filter(e,t){return(t?this.get(t):this.values).filter(e)}forEach(e,t){(t?this.get(t):this.values).forEach((r,a)=>e(r,a))}map(e,t){return(t?this.get(t):this.values).map(e)}find(e,t){return(t?this.get(t):this.values).find(e)}},b=C;var u=class n{_viewer;_collection;_terrainProvider;_visible=!1;_level=15;_tileCoordinatesLayer;_colors=new Map([["custom",s.Color.RED],["default",s.Color.BLUE],["fallback",s.Color.GRAY],["grid",s.Color.YELLOW]]);constructor(e,t){this._viewer=e,this._collection=new b({collection:e.entities,tag:n.tag.default}),t&&(t.colors&&Object.entries(t.colors).forEach(([i,r])=>{this._colors.set(i,r)}),t.tile!==void 0&&(this._visible=t.tile),t.activeLevel!==void 0&&(this._level=t.activeLevel),t.terrainProvider&&this.setTerrainProvider(t.terrainProvider))}setTerrainProvider(e){this._terrainProvider=e,this.update()}update(){this.clear(),this._visible&&this.show(this._level)}clear(){this._collection.remove(this._collection.tags)}show(e=15){if(!this._terrainProvider)return;this._collection.remove(n.tag.grid),this._level=e,this._ensureTileCoordinatesLayer();let t=this._getVisibleRectangle();if(!t||!this._isValidRectangle(t)){console.warn("Invalid visible rectangle detected, skipping grid display");return}this._displayTileGrid(t,e),this._visible=!0}_ensureTileCoordinatesLayer(){this._tileCoordinatesLayer||(this._tileCoordinatesLayer=this._viewer.imageryLayers.addImageryProvider(new s.TileCoordinatesImageryProvider({tilingScheme:this._terrainProvider.tilingScheme,color:s.Color.YELLOW})))}_isValidRectangle(e){return e&&Number.isFinite(e.west)&&Number.isFinite(e.south)&&Number.isFinite(e.east)&&Number.isFinite(e.north)&&e.west<=e.east&&e.south<=e.north}_displayTileGrid(e,t){let i=this._terrainProvider.tilingScheme;try{let r=this._calculateTileBounds(e,t,i);this._generateVisibleTiles(r,t,i).forEach(l=>{this._collection.add(l.entity,n.tag.grid)})}catch(r){console.error("Error displaying tile grid:",r)}}_calculateTileBounds(e,t,i){let r=i.positionToTileXY(s.Rectangle.northwest(e),t),a=i.positionToTileXY(s.Rectangle.southeast(e),t);if(!r||!a)throw new Error("Failed to calculate tile bounds");return{start:r,end:a}}_generateVisibleTiles(e,t,i){let r=[],l=Math.min(e.end.x-e.start.x+1,100),h=Math.min(e.end.y-e.start.y+1,100);for(let c=e.start.x;c<e.start.x+l;c++)for(let d=e.start.y;d<e.start.y+h;d++)try{let v=this._createTileEntity(c,d,t,i);v&&r.push({entity:v})}catch(v){console.warn(`Error creating tile (${c}, ${d}, ${t}):`,v)}return r}_createTileEntity(e,t,i,r){let a=r.tileXYToRectangle(e,t,i);if(!this._isValidRectangle(a))return null;let l=this._getTileColor(e,t,i),h=n.createRectangle(a,l.withAlpha(.3));return h.properties?.addProperty("tileX",e),h.properties?.addProperty("tileY",t),h.properties?.addProperty("tileLevel",i),h}_getTileColor(e,t,i){if(!this._terrainProvider)return this._colors.get("fallback")||s.Color.TRANSPARENT;for(let r of this._terrainProvider.terrainAreas)if(r.contains(e,t,i))return r.isCustom?this._colors.get("custom")||s.Color.RED:this._colors.get("default")||s.Color.BLUE;return this._terrainProvider.getTileDataAvailable(e,t,i)?this._colors.get("default")||s.Color.BLUE:this._colors.get("fallback")||s.Color.GRAY}hide(){this._collection.remove(n.tag.grid),this._tileCoordinatesLayer&&(this._viewer.imageryLayers.remove(this._tileCoordinatesLayer),this._tileCoordinatesLayer=void 0),this._visible=!1}setColors(e){Object.entries(e).forEach(([t,i])=>{this._colors.set(t,i)}),this.update()}flyTo(e,t){let{rectangle:i}=e;this._viewer.camera.flyTo({destination:i,...t,complete:()=>{this._visible&&this.update()}})}_getVisibleRectangle(){return this._viewer.camera.computeViewRectangle()}get level(){return this._level}set level(e){this._level=e,this._visible&&this.update()}get visible(){return this._visible}get collection(){return this._collection}get viewer(){return this._viewer}get colors(){return this._colors}get terrainProvider(){return this._terrainProvider}};(i=>{i.tag={default:"Terrain Visualizer",boundary:"Terrain Visualizer Boundary",grid:"Terrain Visualizer Tile Grid"};function e(r,a){return new s.Entity({rectangle:{coordinates:r,material:a,heightReference:s.HeightReference.CLAMP_TO_GROUND}})}i.createRectangle=e;function t(r,a,l){let h=l?.tag||"terrain_area_visualization",c=l?.color||s.Color.RED,d=l?.maxTilesToShow||100,v=l?.show??!0,E=l?.alpha||.7,w=l?.tileAlpha||.2,f=new b({collection:a.entities,tag:h}),{rectangle:L}=r;if(f.add(i.createRectangle(L,c.withAlpha(E)),h),v&&r.tileRanges.size>0){let{tilingScheme:I}=r.terrainProvider,_=0;r.tileRanges.forEach((m,R)=>{for(let p=m.start.x;p<=m.end.x&&_<d;p++)for(let y=m.start.y;y<=m.end.y&&_<d;y++){let A=I.tileXYToRectangle(p,y,R);f.add(e(A,c.withAlpha(w)),`${h}_tile`),_++}})}return f}i.visualize=t})(u||={});function g(n,e){let t=!1,i=Object.getOwnPropertyDescriptor(n,e);if(!i){let r=Object.getPrototypeOf(n);for(;r&&!i;)i=Object.getOwnPropertyDescriptor(r,e),r=Object.getPrototypeOf(r)}return i&&i.get&&!i.set&&(t=!0),t}