Bastian-Greshake-Tzovaras/MapComplete
1
0
Fork 0
forked from MapComplete/MapComplete
Code Pull requests Activity

Full code cleanup

Browse source
This commit is contained in:
Pieter Vander Vennet 2021-11-07 16:34:51 +01:00
parent 8e6ee8c87f
commit bd21212eba
246 changed files with 19418 additions and 11729 deletions
Download patch file Download diff file Expand all files Collapse all files

140
UI/ShowDataLayer/TileHierarchyAggregator.ts
View file

@ -10,6 +10,12 @@ import FilteredLayer from "../../Models/FilteredLayer";
* A feature source containing but a single feature, which keeps stats about a tile
*/
export class TileHierarchyAggregator implements FeatureSource {
private static readonly empty = []
public totalValue: number = 0
public showCount: number = 0
public hiddenCount: number = 0
public readonly features = new UIEventSource<{ feature: any, freshness: Date }[]>(TileHierarchyAggregator.empty)
public readonly name;
private _parent: TileHierarchyAggregator;
private _root: TileHierarchyAggregator;
private _z: number;
@ -17,21 +23,12 @@ export class TileHierarchyAggregator implements FeatureSource {
private _y: number;
private _tileIndex: number
private _counter: SingleTileCounter
private _subtiles: [TileHierarchyAggregator, TileHierarchyAggregator, TileHierarchyAggregator, TileHierarchyAggregator] = [undefined, undefined, undefined, undefined]
public totalValue: number = 0
public showCount: number = 0
public hiddenCount: number = 0
private static readonly empty = []
public readonly features = new UIEventSource<{ feature: any, freshness: Date }[]>(TileHierarchyAggregator.empty)
public readonly name;
private readonly featuresStatic = []
private readonly featureProperties: { count: string, kilocount: string, tileId: string, id: string, showCount: string, totalCount: string };
private readonly _state: { filteredLayers: UIEventSource<FilteredLayer[]> };
private readonly updateSignal = new UIEventSource<any>(undefined)
private constructor(parent: TileHierarchyAggregator,
state: {
filteredLayers: UIEventSource<FilteredLayer[]>
@ -45,7 +42,7 @@ export class TileHierarchyAggregator implements FeatureSource {
this._y = y;
this._tileIndex = Tiles.tile_index(z, x, y)
this.name = "Count(" + this._tileIndex + ")"
const totals = {
id: "" + this._tileIndex,
tileId: "" + this._tileIndex,
@ -87,6 +84,10 @@ export class TileHierarchyAggregator implements FeatureSource {
this.featuresStatic.push({feature: box, freshness: now})
}
public static createHierarchy(state: { filteredLayers: UIEventSource<FilteredLayer[]> }) {
return new TileHierarchyAggregator(undefined, state, 0, 0, 0)
}
public getTile(tileIndex): TileHierarchyAggregator {
if (tileIndex === this._tileIndex) {
return this;
@ -103,6 +104,61 @@ export class TileHierarchyAggregator implements FeatureSource {
return this._subtiles[subtileIndex]?.getTile(tileIndex)
}
public addTile(source: FeatureSourceForLayer & Tiled) {
const self = this;
if (source.tileIndex === this._tileIndex) {
if (this._counter === undefined) {
this._counter = new SingleTileCounter(this._tileIndex)
this._counter.countsPerLayer.addCallbackAndRun(_ => self.update())
}
this._counter.addTileCount(source)
} else {
// We have to give it to one of the subtiles
let [tileZ, tileX, tileY] = Tiles.tile_from_index(source.tileIndex)
while (tileZ - 1 > this._z) {
tileX = Math.floor(tileX / 2)
tileY = Math.floor(tileY / 2)
tileZ--
}
const xDiff = tileX - (2 * this._x)
const yDiff = tileY - (2 * this._y)
const subtileIndex = yDiff * 2 + xDiff;
if (this._subtiles[subtileIndex] === undefined) {
this._subtiles[subtileIndex] = new TileHierarchyAggregator(this, this._state, tileZ, tileX, tileY)
}
this._subtiles[subtileIndex].addTile(source)
}
this.updateSignal.setData(source)
}
getCountsForZoom(clusteringConfig: { maxZoom: number }, locationControl: UIEventSource<{ zoom: number }>, cutoff: number = 0): FeatureSource {
const self = this
const empty = []
const features = locationControl.map(loc => loc.zoom).map(targetZoom => {
if (targetZoom - 1 > clusteringConfig.maxZoom) {
return empty
}
const features = []
self.visitSubTiles(aggr => {
if (aggr.showCount < cutoff) {
return false
}
if (aggr._z === targetZoom) {
features.push(...aggr.features.data)
return false
}
return aggr._z <= targetZoom;
})
return features
}, [this.updateSignal.stabilized(500)])
return new StaticFeatureSource(features, true);
}
private update() {
const newMap = new Map<string, number>()
let total = 0
@ -162,71 +218,12 @@ export class TileHierarchyAggregator implements FeatureSource {
}
}
public addTile(source: FeatureSourceForLayer & Tiled) {
const self = this;
if (source.tileIndex === this._tileIndex) {
if (this._counter === undefined) {
this._counter = new SingleTileCounter(this._tileIndex)
this._counter.countsPerLayer.addCallbackAndRun(_ => self.update())
}
this._counter.addTileCount(source)
} else {
// We have to give it to one of the subtiles
let [tileZ, tileX, tileY] = Tiles.tile_from_index(source.tileIndex)
while (tileZ - 1 > this._z) {
tileX = Math.floor(tileX / 2)
tileY = Math.floor(tileY / 2)
tileZ--
}
const xDiff = tileX - (2 * this._x)
const yDiff = tileY - (2 * this._y)
const subtileIndex = yDiff * 2 + xDiff;
if (this._subtiles[subtileIndex] === undefined) {
this._subtiles[subtileIndex] = new TileHierarchyAggregator(this, this._state, tileZ, tileX, tileY)
}
this._subtiles[subtileIndex].addTile(source)
}
this.updateSignal.setData(source)
}
public static createHierarchy(state: { filteredLayers: UIEventSource<FilteredLayer[]> }) {
return new TileHierarchyAggregator(undefined, state, 0, 0, 0)
}
private visitSubTiles(f: (aggr: TileHierarchyAggregator) => boolean) {
const visitFurther = f(this)
if (visitFurther) {
this._subtiles.forEach(tile => tile?.visitSubTiles(f))
}
}
getCountsForZoom(clusteringConfig: { maxZoom: number }, locationControl: UIEventSource<{ zoom: number }>, cutoff: number = 0): FeatureSource {
const self = this
const empty = []
const features = locationControl.map(loc => loc.zoom).map(targetZoom => {
if (targetZoom - 1 > clusteringConfig.maxZoom) {
return empty
}
const features = []
self.visitSubTiles(aggr => {
if (aggr.showCount < cutoff) {
return false
}
if (aggr._z === targetZoom) {
features.push(...aggr.features.data)
return false
}
return aggr._z <= targetZoom;
})
return features
}, [this.updateSignal.stabilized(500)])
return new StaticFeatureSource(features, true);
}
}
/**
@ -236,11 +233,10 @@ class SingleTileCounter implements Tiled {
public readonly bbox: BBox;
public readonly tileIndex: number;
public readonly countsPerLayer: UIEventSource<Map<string, number>> = new UIEventSource<Map<string, number>>(new Map<string, number>())
private readonly registeredLayers: Map<string, LayerConfig> = new Map<string, LayerConfig>();
public readonly z: number
public readonly x: number
public readonly y: number
private readonly registeredLayers: Map<string, LayerConfig> = new Map<string, LayerConfig>();
constructor(tileIndex: number) {
this.tileIndex = tileIndex