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

Utilities to handle Cesium classes easier.

"use strict";var _=Object.defineProperty;var x=Object.getOwnPropertyDescriptor;var A=Object.getOwnPropertyNames;var M=Object.prototype.hasOwnProperty;var O=(n,e)=>{for(var t in e)_(n,t,{get:e[t],enumerable:!0})},S=(n,e,t,i)=>{if(e&&typeof e=="object"||typeof e=="function")for(let r of A(e))!M.call(n,r)&&r!==t&&_(n,r,{get:()=>e[r],enumerable:!(i=x(e,r))||i.enumerable});return n};var V=n=>S(_({},"__esModule",{value:!0}),n);var j={};O(j,{TerrainVisualizer:()=>g,isGetterOnly:()=>v});module.exports=V(j);var s=require("cesium");var u=require("cesium");var b=class n{static symbol=Symbol("cesium-item-tag");tag;collection;_valuesCache=null;_tagMap=new Map;_eventListeners=new Map;constructor({collection:e,tag:t}){this.tag=t||"default",this.collection=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(o=>o(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}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 o of e)this.remove(o)&&(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")}get values(){if(this.collection instanceof u.EntityCollection)return this.collection.values;{let e=[];for(let t=0;t<this.collection.length;t++)e.push(this.collection.get(t));return 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,u.defined)(i.show)&&(i.show=!0);return this}hide(e){let t=this.get(e);for(let i of t)(0,u.defined)(i.show)&&(i.show=!1);return this}toggle(e){let t=this.get(e);for(let i of t)(0,u.defined)(i.show)&&(i.show=!i.show);return this}setProperty(e,t,i=this.tag){let r=this.get(i);for(let o of r)if(e in o&&typeof o[e]!="function"){if(v(o,e))throw Error(`Cannot set read-only property '${String(e)}' on ${o.constructor.name}`);o[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,o)=>e(r,o))}map(e,t){return(t?this.get(t):this.values).map(e)}find(e,t){return(t?this.get(t):this.values).find(e)}},C=b;var g=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 C({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(a=>{this._collection.add(a.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),o=i.positionToTileXY(s.Rectangle.southeast(e),t);if(!r||!o)throw new Error("Failed to calculate tile bounds");return{start:r,end:o}}_generateVisibleTiles(e,t,i){let r=[],a=Math.min(e.end.x-e.start.x+1,100),l=Math.min(e.end.y-e.start.y+1,100);for(let c=e.start.x;c<e.start.x+a;c++)for(let h=e.start.y;h<e.start.y+l;h++)try{let d=this._createTileEntity(c,h,t,i);d&&r.push({entity:d})}catch(d){console.warn(`Error creating tile (${c}, ${h}, ${t}):`,d)}return r}_createTileEntity(e,t,i,r){let o=r.tileXYToRectangle(e,t,i);if(!this._isValidRectangle(o))return null;let a=this._getTileColor(e,t,i),l=n.createRectangle(o,a.withAlpha(.3));return l.properties?.addProperty("tileX",e),l.properties?.addProperty("tileY",t),l.properties?.addProperty("tileLevel",i),l}_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,o){return new s.Entity({rectangle:{coordinates:r,material:o,heightReference:s.HeightReference.CLAMP_TO_GROUND}})}i.createRectangle=e;function t(r,o,a){let l=a?.tag||"terrain_area_visualization",c=a?.color||s.Color.RED,h=a?.maxTilesToShow||100,d=a?.show??!0,w=a?.alpha||.7,E=a?.tileAlpha||.2,f=new C({collection:o.entities,tag:l}),{rectangle:I}=r;if(f.add(i.createRectangle(I,c.withAlpha(w)),l),d&&r.tileRanges.size>0){let{tilingScheme:R}=r.terrainProvider,p=0;r.tileRanges.forEach((m,P)=>{for(let y=m.start.x;y<=m.end.x&&p<h;y++)for(let T=m.start.y;T<=m.end.y&&p<h;T++){let L=R.tileXYToRectangle(y,T,P);f.add(e(L,c.withAlpha(E)),`${l}_tile`),p++}})}return f}i.visualize=t})(g||={});function v(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}