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Further experimentation

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This commit is contained in:
Pieter Vander Vennet 2021-12-30 20:41:45 +01:00
parent 9c6822a1ac
commit bfb16874b1
7 changed files with 284 additions and 87 deletions
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31
Logic/FeatureSource/TiledFeatureSource/FullNodeDatabaseSource.ts
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@ -3,6 +3,7 @@ import FeatureSource, {FeatureSourceForLayer, Tiled} from "../FeatureSource";
import {OsmNode, OsmObject, OsmWay} from "../../Osm/OsmObject";
import SimpleFeatureSource from "../Sources/SimpleFeatureSource";
import FilteredLayer from "../../../Models/FilteredLayer";
import {UIEventSource} from "../../UIEventSource";
export default class FullNodeDatabaseSource implements TileHierarchy<FeatureSource & Tiled> {
@ -10,6 +11,7 @@ export default class FullNodeDatabaseSource implements TileHierarchy<FeatureSour
private readonly onTileLoaded: (tile: (Tiled & FeatureSourceForLayer)) => void;
private readonly layer: FilteredLayer
private readonly nodeByIds = new Map<number, OsmNode>();
private readonly parentWays = new Map<number, UIEventSource<OsmWay[]>>()
constructor(
layer: FilteredLayer,
@ -35,7 +37,6 @@ export default class FullNodeDatabaseSource implements TileHierarchy<FeatureSour
this.nodeByIds.set(osmNode.id, osmNode)
}
const parentWaysByNodeId = new Map<number, OsmWay[]>()
for (const osmObj of allObjects) {
if (osmObj.type !== "way") {
continue
@ -43,16 +44,20 @@ export default class FullNodeDatabaseSource implements TileHierarchy<FeatureSour
const osmWay = <OsmWay>osmObj;
for (const nodeId of osmWay.nodes) {
if (!parentWaysByNodeId.has(nodeId)) {
parentWaysByNodeId.set(nodeId, [])
if (!this.parentWays.has(nodeId)) {
const src = new UIEventSource<OsmWay[]>([])
this.parentWays.set(nodeId,src)
src.addCallback(parentWays => {
const tgs = nodesById.get(nodeId).tags
tgs ["parent_ways"] = JSON.stringify(parentWays.map(w => w.tags))
tgs["parent_way_ids"] = JSON.stringify(parentWays.map(w => w.id))
})
}
parentWaysByNodeId.get(nodeId).push(osmWay)
const src = this.parentWays.get(nodeId)
src.data.push(osmWay)
src.ping();
}
}
parentWaysByNodeId.forEach((allWays, nodeId) => {
nodesById.get(nodeId).tags["parent_ways"] = JSON.stringify(allWays.map(w => w.tags))
nodesById.get(nodeId).tags["parent_way_ids"] = JSON.stringify(allWays.map(w => w.id))
})
const now = new Date()
const asGeojsonFeatures = Array.from(nodesById.values()).map(osmNode => ({
feature: osmNode.asGeoJson(), freshness: now
@ -71,10 +76,18 @@ export default class FullNodeDatabaseSource implements TileHierarchy<FeatureSour
* @param id
* @constructor
*/
public GetNode(id: number) : OsmNode {
public GetNode(id: number): OsmNode {
return this.nodeByIds.get(id)
}
/**
* Gets the parent way list
* @param nodeId
* @constructor
*/
public GetParentWays(nodeId: number): UIEventSource<OsmWay[]> {
return this.parentWays.get(nodeId)
}
}