@arcgis/core/geometry/GeometryCursor.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{clone as t}from"../core/lang.js";import{collectMultipath as e}from"./geometryCursorCollectUtils.js";import{isGeometryWithZ as s,isGeometryWithM as i,isPolygon as h,isPolyline as r,isMultipoint as n,isExtent as o,isPoint as a}from"./support/jsonTypeUtils.js";import p from"../layers/graphics/OptimizedGeometry.js";class _{static fromOptimized(t,e,s=1){return(new u).initialize(t,e,s)}static fromJSON(t){const[e,h]=c(t),r=s(t),n=i(t);return(new l).initialize(e,h,r,n,1)}static fromOptimizedCIM(t,e,s=1){return(new g).initialize(t,e,s)}static fromJSONCIM(t,e=1){const[h,r]=c(t),n=s(t),o=i(t);return(new f).initialize(h,r,n,o,e)}static fromFeatureSetReader(t){const e=t.readGeometryForDisplay(),s=t.geometryType;return e&&s?this.fromOptimized(e,s):null}static fromFeatureSetReaderCIM(t){const e=t.readGeometryForDisplay(),s=t.geometryType;return e&&s?this.fromOptimizedCIM(e,s):null}static createEmptyOptimized(t,e=!1,s=!1,i=1){return(new g).initialize(new p([],[],e,s),t,i)}static createEmptyJSON(t,e=!1,s=!1){return(new l).initialize([],t,e,s,1)}static createEmptyOptimizedCIM(t,e=!1,s=!1,i=1){return(new g).initialize(new p([],[],e,s),t,i)}static createEmptyJSONCIM(t,e=!1,s=!1,i=1){return(new f).initialize([],t,e,s,i)}asJSON(){const t=e(this),{hasZ:s,hasM:i}=this;return"esriGeometryEnvelope"===this.geometryType?{xmin:t[0][0][0],ymin:t[0][0][1],xmax:t[0][2][0],ymax:t[0][2][1]}:"esriGeometryMultipoint"===this.geometryType?{points:t.flat(),hasZ:s,hasM:i}:"esriGeometryPoint"===this.geometryType?{x:t[0][0][0],y:t[0][0][1],z:s?t[0][0][2]:void 0,m:i?t[0][0][s?3:2]:void 0}:"esriGeometryPolygon"===this.geometryType?{rings:t,hasZ:s,hasM:i}:{paths:t,hasZ:s,hasM:i}}getCurrentRingArea(){if(this.pathSize<3)return 0;let t,e,s=0;if(this.seekPathStart(),!this.nextPoint())return 0;t=this.x,e=this.y;const i=t,h=e;for(;this.nextPoint();)s+=(t-this.x)*(e+this.y),t=this.x,e=this.y;return s+=(t-i)*(e+h),-.5*s}invertY(){this.yFactor*=-1}}class u extends _{constructor(){super(...arguments),this._end=-1}get hasZ(){return this._geometry?.hasZ}get hasM(){return this._geometry?.hasM}initialize(t,e,s){return this.geometryType=e,this._stride=t.stride,this._geometry=t,this._pathIndex=-1,this._pathOffset=0,this._pointOffset=-this._stride,this._end=-1,this.yFactor=s,this}reset(){this.initialize(this._geometry,this.geometryType,this.yFactor)}seekPath(t){if(t>=0&&t<this.totalSize){if(this._pathIndex<t)for(;this._pathIndex<t&&this.nextPath(););else if(this._pathIndex>t)for(;this._pathIndex>t&&this.prevPath(););return!0}return!1}seekPathStart(){this._pointOffset=this._pathOffset-this._stride}seekPathEnd(){this._pointOffset=this._end}seekInPath(t){const e=this._pathOffset+t*this._stride;return e>=0&&e<this._end&&(this._pointOffset=e,!0)}nextPoint(){return(this._pointOffset+=this._stride)<this._end}prevPoint(){return(this._pointOffset-=this._stride)>=this._pathOffset}nextPath(){return!(this.pathIndex>=this.totalSize-1)&&(this._pathIndex>=0&&(this._pathOffset+=this._stride*this.pathSize),this._pathIndex++,this._pointOffset=this._pathOffset-this._stride,this._end=this._pointOffset+this._stride+this._stride*this.pathSize,!0)}prevPath(){return!(this.pathIndex<=0)&&(this._pathIndex--,this._end=this._pathOffset,this._pathOffset-=this._stride*this.pathSize,this._pointOffset=this._pathOffset-this._stride,!0)}getCurrentPath(){const t=this._end,e=this._geometry.coords,s=this._pathOffset;return(new u).initialize(new p([this.pathSize],e.slice(s,t),this.hasZ,this.hasM),this.geometryType,this.yFactor)}pathLength(){const t=this._end,e=this._stride,s=this._geometry.coords;let i=0;for(let h=this._pathOffset+e;h<t;h+=e){const t=s[h-e],r=s[h-e+1],n=s[h]-t,o=s[h+1]-r;i+=Math.sqrt(n*n+o*o)}return i}startPath(){this._geometry.lengths.push(0)}pushPath(t){this.startPath(),this.pushPoints(t)}pushPoint(t){for(let e=0;e<this._stride;++e)this._geometry.coords.push(t[e]);this._geometry.lengths[this.totalSize-1]++}pushXY(t,e){this._geometry.coords.push(t,e),this._geometry.lengths[this.totalSize-1]++}pushPoints(t){for(const e of t)for(let t=0;t<this._stride;++t)this._geometry.coords.push(e[t]);this._geometry.lengths[this.totalSize-1]+=t.length}pushCursor(t){const e=t.asOptimized();this._geometry.coords.push(...e.coords),this._geometry.lengths.push(...e.lengths)}asOptimized(){const t=this._geometry.clone();if(1!==this.yFactor)for(let e=1;e<t.coords.length;e+=this._stride)t.coords[e]*=this.yFactor;return"esriGeometryPoint"===this.geometryType&&(t.lengths.length=0),t}isClosed(){const t=this._geometry.coords,e=this._pathOffset,s=this._end-this._stride;for(let i=0;i<this._stride;i++)if(t[e+i]!==t[s+i])return!1;return!0}clone(){return(new u).initialize(this._geometry.clone(),this.geometryType,this.yFactor)}get totalPoints(){return this._geometry.isPoint?1:this._geometry.lengths.reduce((t,e)=>t+e)}get pathSize(){const{lengths:t}=this._geometry;return this._geometry.isPoint?1:this._pathIndex<0||this._pathIndex>t.length-1?0:t[this._pathIndex]}get totalSize(){return this._geometry.isPoint?1:this._geometry.lengths.length}get x(){return this._geometry.coords[this._pointOffset]}set x(t){this._geometry.coords[this._pointOffset]=t}get y(){return this.yFactor*this._geometry.coords[this._pointOffset+1]}set y(t){this._geometry.coords[this._pointOffset+1]=this.yFactor*t}get z(){return this._geometry.coords[this._pointOffset+2]}set z(t){this._geometry.coords[this._pointOffset+2]=t}get m(){const t=this.hasZ?3:2;return this._geometry.coords[this._pointOffset+t]}set m(t){this._geometry.coords[this._pointOffset+3]=t}get pathIndex(){return this._pathIndex}get _coordIndex(){return this._pointOffset/this._stride}}function d(t){const e=[t.x,t.y];return t.z&&e.push(t.z),t.m&&e.push(t.m),e}function c(t){return h(t)?[t.rings,"esriGeometryPolygon"]:r(t)?[t.paths,"esriGeometryPolyline"]:n(t)?[[t.points],"esriGeometryMultipoint"]:o(t)?[[[[t.xmin,t.ymin],[t.xmin,t.ymax],[t.xmax,t.ymax],[t.xmax,t.ymin],[t.xmin,t.ymin]]],"esriGeometryEnvelope"]:a(t)?[[[d(t)]],"esriGeometryPoint"]:[[],"esriGeometryPolyline"]}class l extends _{initialize(t,e,s,i,h){return this._paths=t,this.geometryType=e,this.hasZ=s,this.hasM=i,this._pathIndex=this._pointIndex=-1,this.yFactor=h,this._mIndex=this.hasZ?3:2,this}reset(){this._pathIndex=this._pointIndex=-1}seekPath(t){return this._pathIndex=t,this._pointIndex=-1,t>=0&&t<this.totalSize&&(this._currentPath=this._paths[t],!0)}seekPathStart(){this._pointIndex=-1}seekPathEnd(){this._pointIndex=this._currentPath.length}seekInPath(t){return t>=0&&t<this._currentPath.length&&(this._pointIndex=t,this._currentPoint=this._currentPath[this._pointIndex],!0)}nextPoint(){return this._currentPoint=this._currentPath[++this._pointIndex],this._pointIndex<this._currentPath.length}prevPoint(){return this._currentPoint=this._currentPath[--this._pointIndex],this._pointIndex>=0}nextPath(){return this._pointIndex=-1,this._currentPath=this._paths[++this._pathIndex],this._pathIndex<this.totalSize}prevPath(){return this.pathIndex>0&&(this._pointIndex=-1,this._pathIndex--,this._currentPath=this._paths[this._pathIndex],!0)}pathLength(){const t=this._currentPath.length,e=this._currentPath;let s=0;for(let i=1;i<t;i++){const t=e[i-1],h=e[i],r=t[0],n=t[1],o=h[0]-r,a=h[1]-n;s+=Math.sqrt(o*o+a*a)}return s}startPath(){this._paths.push([])}getCurrentPath(){return(new l).initialize([this._currentPath],this.geometryType,this.hasZ,this.hasM,this.yFactor)}pushPath(t){this._paths.push(t)}pushPoint(t){this._paths[this.totalSize-1].push(t)}pushXY(t,e){this._paths[this.totalSize-1].push([t,e])}pushPoints(t){this._paths[this.totalSize-1].push(...t)}pushCursor(t){const s=e(t);for(const e of s)this.pushPath(e)}asOptimized(){const{hasZ:t,hasM:e}=this,s=new p([],[],t,e),{coords:i,lengths:h}=s;if("esriGeometryPoint"===this.geometryType)i.push(...this._paths[0][0]),h.length=0;else for(const r of this._paths){for(const s of r)i.push(s[0]),i.push(s[1]*this.yFactor),t&&i.push(s[2]),e&&i.push(s[this._mIndex]);h.push(r.length)}return s}isClosed(){const t=this._currentPath[0],e=this._currentPath[this._currentPath.length-1];for(let s=0;s<t.length;s++)if(t[s]!==e[s])return!1;return!0}clone(){return(new l).initialize(t(this._paths),this.geometryType,this.hasZ,this.hasM,this.yFactor)}get totalPoints(){return this._paths.map(t=>t.length).reduce((t,e)=>t+e)}get pathSize(){return this._pathIndex<0||this._pathIndex>this.totalSize-1?-1:this._paths[this._pathIndex].length}get totalSize(){return this._paths.length}get x(){return this._currentPoint[0]}set x(t){this._currentPoint[0]=t}get y(){return this.yFactor*this._currentPoint[1]}set y(t){this._currentPoint[1]=this.yFactor*t}get z(){return this._currentPoint[2]}set z(t){this._currentPoint[2]=t}get m(){return this._currentPoint[this._mIndex]}set m(t){this._currentPoint[this._mIndex]=t}get pathIndex(){return this._pathIndex}}const y=4,m=1;class g extends u{initialize(t,e,s){return super.initialize(t,e,s),this._controlPoints||(this._controlPoints=this._controlPoints=new Array(this.totalSize).fill(void 0).map(t=>new Set)),this}startPath(){super.startPath(),this._controlPoints.push(new Set)}clone(){const t=(new g).initialize(this._geometry.clone(),this.geometryType,this.yFactor);return t._controlPoints=this._controlPoints,t}setControlPoint(){this._controlPoints[this.pathIndex].add(this._coordIndex)}getControlPoint(){return this._controlPoints[this.pathIndex].has(this._coordIndex)}setControlPointAt(t){this._controlPoints[this.pathIndex].add(t)}getControlPointAt(t){return this._controlPoints[this.pathIndex].has(t)}}class f extends l{initialize(t,e,s,i,h){return super.initialize(t,e,s,i,h)}clone(){return(new f).initialize(t(this._paths),this.geometryType,this.hasZ,this.hasM,this.yFactor)}setControlPoint(){this._paths[this.pathIndex][this._pointIndex][y]=m}getControlPoint(){return this._paths[this.pathIndex][this._pointIndex][y]===m}setControlPointAt(t){this._paths[this.pathIndex][t][y]=m}getControlPointAt(t){return this._paths[this.pathIndex][t][y]===m}}export{_ as GeometryCursor};