Remove simplified geometry cache

src/ol/geom/Geometry.js

@@ -45,12 +45,6 @@ class Geometry extends BaseObject {
      */
     this.extentRevision_ = -1;
 
-    /**
-     * @protected
-     * @type {Object<string, Geometry>}
-     */
-    this.simplifiedGeometryCache = {};
-
     /**
      * @protected
      * @type {number}

src/ol/geom/GeometryCollection.js

@@ -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();
     }
@@ -141,10 +139,7 @@ class GeometryCollection extends Geometry {
          squaredTolerance < this.simplifiedGeometryMaxMinSquaredTolerance)) {
       return this;
     }
-    const key = squaredTolerance.toString();
-    if (this.simplifiedGeometryCache.hasOwnProperty(key)) {
-      return this.simplifiedGeometryCache[key];
-    } else {
+
     const simplifiedGeometries = [];
     const geometries = this.geometries_;
     let simplified = false;
@@ -159,14 +154,12 @@ class GeometryCollection extends Geometry {
     if (simplified) {
       const simplifiedGeometryCollection = new GeometryCollection(null);
       simplifiedGeometryCollection.setGeometriesArray(simplifiedGeometries);
-        this.simplifiedGeometryCache[key] = simplifiedGeometryCollection;
       return simplifiedGeometryCollection;
     } else {
       this.simplifiedGeometryMaxMinSquaredTolerance = squaredTolerance;
       return this;
     }
   }
-  }
 
   /**
    * @inheritDoc

src/ol/geom/SimpleGeometry.js

@@ -6,7 +6,6 @@ import {createOrUpdateFromFlatCoordinates, getCenter} from '../extent.js';
 import Geometry from './Geometry.js';
 import GeometryLayout from './GeometryLayout.js';
 import {rotate, scale, translate, transform2D} from './flat/transform.js';
-import {clear} from '../obj.js';
 
 /**
  * @classdesc
@@ -95,8 +94,7 @@ class SimpleGeometry 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();
     }
@@ -107,15 +105,11 @@ class SimpleGeometry extends Geometry {
          squaredTolerance <= this.simplifiedGeometryMaxMinSquaredTolerance)) {
       return this;
     }
-    const key = squaredTolerance.toString();
-    if (this.simplifiedGeometryCache.hasOwnProperty(key)) {
-      return this.simplifiedGeometryCache[key];
-    } else {
+
     const simplifiedGeometry =
         this.getSimplifiedGeometryInternal(squaredTolerance);
     const simplifiedFlatCoordinates = simplifiedGeometry.getFlatCoordinates();
     if (simplifiedFlatCoordinates.length < this.flatCoordinates.length) {
-        this.simplifiedGeometryCache[key] = simplifiedGeometry;
       return simplifiedGeometry;
     } else {
       // Simplification did not actually remove any coordinates.  We now know
@@ -128,7 +122,6 @@ class SimpleGeometry extends Geometry {
       return this;
     }
   }
-  }
 
   /**
    * @param {number} squaredTolerance Squared tolerance.