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Add unused node removal

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This commit is contained in:
Pieter Vander Vennet 2021-12-23 03:36:03 +01:00
parent 4131e9b9e2
commit adade2e8b0
12 changed files with 289 additions and 96 deletions
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43
Logic/Osm/Actions/CreateWayWithPointReuseAction.ts
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@ -1,4 +1,4 @@
import OsmChangeAction, {OsmCreateAction} from "./OsmChangeAction";
import {OsmCreateAction} from "./OsmChangeAction";
import {Tag} from "../../Tags/Tag";
import {Changes} from "../Changes";
import {ChangeDescription} from "./ChangeDescription";
@ -18,10 +18,34 @@ export interface MergePointConfig {
mode: "reuse_osm_point" | "move_osm_point"
}
/**
* CreateWayWithPointreuse will create a 'CoordinateInfo' for _every_ point in the way to be created.
*
* The CoordinateInfo indicates the action to take, e.g.:
*
* - Create a new point
* - Reuse an existing OSM point (and don't move it)
* - Reuse an existing OSM point (and leave it where it is)
* - Reuse another Coordinate info (and don't do anything else with it)
*
*/
interface CoordinateInfo {
/**
* The new coordinate
*/
lngLat: [number, number],
/**
* If set: indicates that this point is identical to an earlier point in the way and that that point should be used.
* This is especially needed in closed ways, where the last CoordinateInfo will have '0' as identicalTo
*/
identicalTo?: number,
/**
* Information about the closebyNode which might be reused
*/
closebyNodes?: {
/**
* Distance in meters between the target coordinate and this candidate coordinate
*/
d: number,
node: any,
config: MergePointConfig
@ -53,6 +77,8 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
this._tags = tags;
this._state = state;
this._config = config;
// The main logic of this class: the coordinateInfo contains all the changes
this._coordinateInfo = this.CalculateClosebyNodes(coordinates);
}
@ -219,6 +245,9 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
return allChanges
}
/**
* Calculates the main changes.
*/
private CalculateClosebyNodes(coordinates: [number, number][]): CoordinateInfo[] {
const bbox = new BBox(coordinates)
@ -226,6 +255,7 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
const allNodes = [].concat(...state.featurePipeline.GetFeaturesWithin("type_node", bbox.pad(1.2)))
const maxDistance = Math.max(...this._config.map(c => c.withinRangeOfM))
// Init coordianteinfo with undefined but the same length as coordinates
const coordinateInfo: {
lngLat: [number, number],
identicalTo?: number,
@ -236,6 +266,8 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
}[]
}[] = coordinates.map(_ => undefined)
// First loop: gather all information...
for (let i = 0; i < coordinates.length; i++) {
if (coordinateInfo[i] !== undefined) {
@ -243,8 +275,11 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
continue
}
const coor = coordinates[i]
// Check closeby (and probably identical) point further in the coordinate list, mark them as duplicate
// Check closeby (and probably identical) points further in the coordinate list, mark them as duplicate
for (let j = i + 1; j < coordinates.length; j++) {
// We look into the 'future' of the way and mark those 'future' locations as being the same as this location
// The continue just above will make sure they get ignored
// This code is important to 'close' ways
if (GeoOperations.distanceBetween(coor, coordinates[j]) < 0.1) {
coordinateInfo[j] = {
lngLat: coor,
@ -280,6 +315,7 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
}
}
// Sort by distance, closest first
closebyNodes.sort((n0, n1) => {
return n0.d - n1.d
})
@ -292,8 +328,9 @@ export default class CreateWayWithPointReuseAction extends OsmCreateAction {
}
// Second loop: figure out which point moves where without creating conflicts
let conflictFree = true;
do {
conflictFree = true;
for (let i = 0; i < coordinateInfo.length; i++) {