@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
6 lines (5 loc) • 10.2 kB
JavaScript
/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{ArcadeDate as e}from"../../../../../arcade/ArcadeDate.js";import has from"../../../../../core/has.js";import{DateOnly as t}from"../../../../../core/sql/DateOnly.js";import{TimeOnly as r}from"../../../../../core/sql/TimeOnly.js";import{GeometryCursor as s}from"../../../../../geometry/GeometryCursor.js";import{fromRectValues as i}from"../../../../../geometry/support/aaBoundingBox.js";import{fromJSON as a}from"../../../../../geometry/support/jsonUtils.js";import{getLabelPoint as o}from"../../../../../geometry/support/labelPoint.js";import{quantizeX as n,quantizeY as d}from"../../../../../geometry/support/quantizationUtils.js";import{getCentroidOptimizedGeometry as u}from"../../../../../layers/graphics/centroid.js";import{convertToGeometry as h,generalizeOptimizedGeometry as c,quantizeForDisplay as l,unquantizeOptimizedGeometry as m}from"../../../../../layers/graphics/featureConversionUtils.js";import{OptimizedFeature as y}from"../../../../../layers/graphics/OptimizedFeature.js";import f from"../../../../../layers/graphics/OptimizedGeometry.js";import{system as p,unknown as g}from"../../../../../time/constants.js";import{FeatureSetCache as _}from"./FeatureSetCache.js";const b=has("featurelayer-simplify-thresholds")??[.5,.5,.5,.5],x=b[0],D=b[1],T=b[2],F=b[3],A=has("featurelayer-simplify-payload-size-factors")??[1,2,4],S=A[0],I=A[1],B=A[2],j=has("featurelayer-simplify-mobile-factor")??2,G=has("esri-mobile"),M=4294967295;function C(e,t,r){if(!(e.length>t))for(;e.length<=t;)e.push(r)}class v{constructor(e){this.metadata=e,this.type="FeatureSetReader",this._overrides=null,this._joined=[],this._objectIdToIndex=null,this._boundsBuffer=[],this._caches=new Map,this.arcadeDeclaredClass="esri.arcade.Feature",this._contextTimeZone=null}destroy(){}[Symbol.dispose](){this.destroy()}getAreaSimplificationThreshold(e,t){let r=1;const s=G?j:1;t>4e6?r=B*s:t>1e6?r=I*s:t>5e5?r=S*s:t>1e5&&(r=s);let i=0;return e>4e3?i=F*r:e>2e3?i=T*r:e>100?i=D:e>15&&(i=x),i}getBounds(e){if(C(this._boundsBuffer,4*this.getIndex()+4,0),this.getBoundsXMin()===M)return!1;if(0===this.getBoundsXMin()){const t=this.readGeometryWorldSpace();if(!t)return this.setBoundsXMin(M),!1;let r=1/0,s=1/0,a=-1/0,o=-1/0;return t.forEachVertex(((e,t)=>{r=Math.min(r,e),s=Math.min(s,t),a=Math.max(a,e),o=Math.max(o,t)})),this.setBoundsXMin(r),this.setBoundsYMin(s),this.setBoundsXMax(a),this.setBoundsYMax(o),i(e,r,s,a,o),!0}const t=this.getBoundsXMin(),r=this.getBoundsYMin(),s=this.getBoundsXMax(),a=this.getBoundsYMax();return i(e,t,r,s,a),!0}getBoundsXMin(){return this._boundsBuffer[4*this.getIndex()]}setBoundsXMin(e){this._boundsBuffer[4*this.getIndex()]=e}getBoundsYMin(){return this._boundsBuffer[4*this.getIndex()+1]}setBoundsYMin(e){this._boundsBuffer[4*this.getIndex()+1]=e}getBoundsXMax(){return this._boundsBuffer[4*this.getIndex()+2]}setBoundsXMax(e){this._boundsBuffer[4*this.getIndex()+2]=e}getBoundsYMax(){return this._boundsBuffer[4*this.getIndex()+3]}setBoundsYMax(e){this._boundsBuffer[4*this.getIndex()+3]=e}readAttributeAsTimestamp(e){const t=this.readAttribute(e);return"string"==typeof t?new Date(t).getTime():"number"==typeof t||null==t?t:null}readAttribute(e,t=!1){const r=this._readAttribute(e,t);if(void 0!==r)return r;for(const s of this._joined){s.setIndex(this.getIndex());const r=s._readAttribute(e,t);if(void 0!==r)return r}}readAttributes(){const e=this._readAttributes();for(const t of this._joined){t.setIndex(this.getIndex());const r=t._readAttributes();for(const t of Object.keys(r))e[t]=r[t]}return e}joinAttributes(e){this._joined.push(e)}registerOverrides(e){this._overrides=e}withoutOverrides(){const e=this.copy();return e._overrides=null,e}readOptimizedFeatureWorldSpace(){const e=this.readGeometryWorldSpace(),t=this.readAttributes(),r=this.readCentroidWorldSpace();return new y(e,t,r,this.getObjectId(),this.getDisplayId())}readLegacyFeatureForDisplay(){const e=this.readCentroidForDisplay();return{attributes:this.readAttributes(),geometry:this.readLegacyGeometryForDisplay(),centroid:(e&&{x:e.coords[0],y:e.coords[1]})??null}}readLegacyFeatureWorldSpace(){const e=this.readCentroidWorldSpace();return{attributes:this.readAttributes(),geometry:this._readLegacyGeometryWorldSpace(),centroid:(e&&{x:e.coords[0],y:e.coords[1]})??null}}readLegacyGeometryForDisplay(){const e=this.readGeometryForDisplay();return h(e,this.geometryType,!1,!1)}readXForDisplay(){return this._readX()}readYForDisplay(){return this._readY()}readXWorldSpace(){const e=this._readX(),t=this.getInTransform();return null==t?e:e*t.scale[0]+t.translate[0]}readYWorldSpace(){const e=this._readY(),t=this.getInTransform();return null==t?e:t.translate[1]-e*t.scale[1]}readGeometryForDisplay(){const e=this._readGeometryDeltaDecoded(!0);if(!e){const e=this._createDeltaQuantizedGeometryFromServerCentroid();return e?e.deltaDecode():null}return e}readGeometryForDisplayTransformed(e){let t=this.readGeometryForDisplay();if(t&&"esriGeometryPolyline"===this.metadata.geometryType&&(t=c(new f,t,this.hasZ,this.hasM,this.metadata.geometryType,e.scale[0])),t&&(t=l(t,e,this.metadata.geometryType,this.hasZ,this.hasM)),!t){const t=this.readCentroidForDisplay();if(!t)return null;const r=n(e,t.coords[0]),s=d(e,t.coords[1]);return this._createDeltaQuantizedExtrudedGeometry(r,s).deltaDecode()}return t}readGeometryWorldSpace(){let e=this._readGeometry();if(e||(e=this._createDeltaQuantizedGeometryFromServerCentroid()),!e)return null;const t=e.clone(),r=this.getInTransform();return null!=r&&m(t,t,this.hasZ,this.hasM,r),t}readCentroidForDisplay(){const e=this.readGeometryForDisplay();return e?this._computeDisplayCentroid(e):this._readServerCentroid()}readCentroidWorldSpace(){const e=this.readGeometryForDisplay(),t=e?this._computeDisplayCentroid(e):this._readServerCentroid();if(!t)return null;const r=t.clone(),s=this.getInTransform();return null!=s&&m(r,r,this.hasZ,this.hasM,s),r}setCache(e){let t=this._caches.get(e);null==t&&(t=new _(this.getSize()),this._caches.set(e,t)),this._activeCache=t}setCachedValue(e){this._activeCache.set(this.getIndex(),e)}hasCachedValue(){return this._activeCache.has(this.getIndex())}getCachedValue(){return this._activeCache.get(this.getIndex())}_readGeometryDeltaDecoded(e){const t=this._readGeometry(e);return"esriGeometryPoint"!==this.geometryType&&t&&this.getInTransform()?t.deltaDecode():t}get contextTimeZone(){return this._contextTimeZone}set contextTimeZone(e){this._contextTimeZone=e}readArcadeFeature(){return this}hasField(e){return this.fields.has(e)||this._joined.some((t=>t.hasField(e)))}geometry(){const e=this.readGeometryWorldSpace(),t=h(e,this.geometryType,this.hasZ,this.hasM),r=a(t);if(r){if(!this.metadata.outSpatialReference)throw new Error("InternalError: Expected spatial reference to be defined");r.spatialReference=this.metadata.outSpatialReference}return r}autocastArcadeDate(t,r){return r&&r instanceof Date?this.isUnknownDateTimeField(t)?e.unknownDateJSToArcadeDate(r):e.dateJSAndZoneToArcadeDate(r,this.contextTimeZone??p):r}isUnknownDateTimeField(e){return this.metadata.fieldsIndex.getTimeZone(e)===g}field(s){let i=this.fields.get(s);if(i)switch(i.type){case"date-only":case"esriFieldTypeDateOnly":return t.fromReader(this.readAttribute(s,!1));case"time-only":case"esriFieldTypeTimeOnly":return r.fromReader(this.readAttribute(s,!1));case"esriFieldTypeTimestampOffset":case"timestamp-offset":return e.fromReaderAsTimeStampOffset(this.readAttribute(s,!1));case"date":case"esriFieldTypeDate":return this.autocastArcadeDate(s,this.readAttribute(s,!0));default:return this.readAttribute(s,!1)}for(const a of this._joined)if(a.setIndex(this.getIndex()),i=a.fields.get(s),i)switch(i.type){case"date-only":case"esriFieldTypeDateOnly":return t.fromReader(a._readAttribute(s,!1));case"time-only":case"esriFieldTypeTimeOnly":return r.fromReader(a._readAttribute(s,!1));case"esriFieldTypeTimestampOffset":case"timestamp-offset":return e.fromReaderAsTimeStampOffset(a._readAttribute(s,!1));case"date":case"esriFieldTypeDate":return this.autocastArcadeDate(s,a._readAttribute(s,!0));default:return this.readAttribute(s,!1)}throw new Error(`Field ${s} does not exist`)}setField(e,t){throw new Error("Unable to update feature attribute values, feature is readonly")}keys(){return this.fields.fields.map((e=>e.name))}castToText(e=!1){if(!e)return JSON.stringify(this.readLegacyFeatureForDisplay());const t=this.readLegacyFeatureForDisplay();if(!t)return JSON.stringify(null);const r={geometry:t.geometry,attributes:{...t.attributes??{}}};for(const s in r.attributes){const e=r.attributes[s];e instanceof Date&&(r.attributes[s]=e.getTime())}return JSON.stringify(r)}gdbVersion(){return null}fullSchema(){return this.metadata.arcadeSchema}castAsJson(e=null){return{attributes:this._readAttributes(),geometry:!0===e?.keepGeometryType?this.geometry():this.geometry()?.toJSON()??null}}castAsJsonAsync(e=null,t=null){return Promise.resolve(this.castAsJson(t))}_getExists(){if(this._overrides){const e=this.getObjectId();return!this._overrides.hasOverride(e)}return!0}_computeDisplayCentroid(e){if(null==this.getInTransform())return u(new f,e,this.hasM,this.hasZ);const t=s.fromOptimized(e,this.geometryType);t.yFactor*=-1;const r=o(t);return r?(r[1]*=-1,new f([],r)):null}copyInto(e){e._joined=this._joined,e._overrides=this._overrides,e._objectIdToIndex=this._objectIdToIndex,e._boundsBuffer=this._boundsBuffer,e._activeCache=this._activeCache,e._caches=this._caches,e._contextTimeZone=this._contextTimeZone}_readLegacyGeometryWorldSpace(){const e=this.readGeometryWorldSpace();return h(e,this.geometryType,!1,!1)}_createDeltaQuantizedGeometryFromServerCentroid(){const e=this._readServerCentroid();if(!e)return null;const[t,r]=e.coords;return this._createDeltaQuantizedExtrudedGeometry(t,r)}_createDeltaQuantizedExtrudedGeometry(e,t){return"esriGeometryPolyline"===this.geometryType?this._createDeltaQuantizedExtrudedLine(e,t):this._createDeltaQuantizedExtrudedQuad(e,t)}_createDeltaQuantizedExtrudedQuad(e,t){return new f([5],[e-1,t,1,-1,1,1,-1,1,-1,-1])}_createDeltaQuantizedExtrudedLine(e,t){return new f([2],[e-1,t+1,1,-1])}}export{v as FeatureSetReader};