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Remove simplified geometry cache

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This commit is contained in:
Simon Seyock
2019-09-24 16:55:33 +02:00
parent acac7a9403
commit 6866f06375
3 changed files with 34 additions and 54 deletions
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45
src/ol/geom/GeometryCollection.js
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@@ -6,7 +6,6 @@ import EventType from '../events/EventType.js';
import {createOrUpdateEmpty, closestSquaredDistanceXY, extend, getCenter} from '../extent.js';
import Geometry from './Geometry.js';
import GeometryType from './GeometryType.js';
import {clear} from '../obj.js';
/**
* @classdesc
@@ -131,8 +130,7 @@ class GeometryCollection extends Geometry {
* @inheritDoc
*/
getSimplifiedGeometry(squaredTolerance) {
if (this.simplifiedGeometryRevision != this.getRevision()) {
clear(this.simplifiedGeometryCache);
if (this.simplifiedGeometryRevision !== this.getRevision()) {
this.simplifiedGeometryMaxMinSquaredTolerance = 0;
this.simplifiedGeometryRevision = this.getRevision();
}
@@ -141,30 +139,25 @@ class GeometryCollection extends Geometry {
squaredTolerance < this.simplifiedGeometryMaxMinSquaredTolerance)) {
return this;
}
const key = squaredTolerance.toString();
if (this.simplifiedGeometryCache.hasOwnProperty(key)) {
return this.simplifiedGeometryCache[key];
const simplifiedGeometries = [];
const geometries = this.geometries_;
let simplified = false;
for (let i = 0, ii = geometries.length; i < ii; ++i) {
const geometry = geometries[i];
const simplifiedGeometry = geometry.getSimplifiedGeometry(squaredTolerance);
simplifiedGeometries.push(simplifiedGeometry);
if (simplifiedGeometry !== geometry) {
simplified = true;
}
}
if (simplified) {
const simplifiedGeometryCollection = new GeometryCollection(null);
simplifiedGeometryCollection.setGeometriesArray(simplifiedGeometries);
return simplifiedGeometryCollection;
} else {
const simplifiedGeometries = [];
const geometries = this.geometries_;
let simplified = false;
for (let i = 0, ii = geometries.length; i < ii; ++i) {
const geometry = geometries[i];
const simplifiedGeometry = geometry.getSimplifiedGeometry(squaredTolerance);
simplifiedGeometries.push(simplifiedGeometry);
if (simplifiedGeometry !== geometry) {
simplified = true;
}
}
if (simplified) {
const simplifiedGeometryCollection = new GeometryCollection(null);
simplifiedGeometryCollection.setGeometriesArray(simplifiedGeometries);
this.simplifiedGeometryCache[key] = simplifiedGeometryCollection;
return simplifiedGeometryCollection;
} else {
this.simplifiedGeometryMaxMinSquaredTolerance = squaredTolerance;
return this;
}
this.simplifiedGeometryMaxMinSquaredTolerance = squaredTolerance;
return this;
}
}