ol-cesium
Version:
OpenLayers Cesium integration library
136 lines • 12.3 kB
JavaScript
import olSourceVector, {} from 'ol/source/Vector.js';
import olLayerLayer from 'ol/layer/Layer.js';
import olSourceCluster from 'ol/source/Cluster.js';
import { getUid } from './util';
import olLayerVector from 'ol/layer/Vector.js';
import olLayerVectorTile from 'ol/layer/VectorTile.js';
import olcsAbstractSynchronizer from './AbstractSynchronizer';
import olcsFeatureConverter from './FeatureConverter';
// eslint-disable-next-line no-duplicate-imports
import {} from './core/VectorLayerCounterpart';
import {} from './core';
export default class VectorSynchronizer extends olcsAbstractSynchronizer {
converter;
csAllPrimitives_;
/**
* Unidirectionally synchronize OpenLayers vector layers to Cesium.
*/
constructor(map, scene, opt_converter) {
super(map, scene);
this.converter = opt_converter || new olcsFeatureConverter(scene);
this.csAllPrimitives_ = new Cesium.PrimitiveCollection();
scene.primitives.add(this.csAllPrimitives_);
this.csAllPrimitives_.destroyPrimitives = false;
}
addCesiumObject(counterpart) {
console.assert(counterpart);
const collection = counterpart.getRootPrimitive();
collection.counterpart = counterpart;
this.csAllPrimitives_.add(counterpart.getRootPrimitive());
}
destroyCesiumObject(object) {
object.getRootPrimitive().destroy();
}
removeSingleCesiumObject(object, destroy) {
object.destroy();
this.csAllPrimitives_.destroyPrimitives = destroy;
this.csAllPrimitives_.remove(object.getRootPrimitive());
this.csAllPrimitives_.destroyPrimitives = false;
}
removeAllCesiumObjects(destroy) {
this.csAllPrimitives_.destroyPrimitives = destroy;
if (destroy) {
for (let i = 0; i < this.csAllPrimitives_.length; ++i) {
this.csAllPrimitives_.get(i)['counterpart'].destroy();
}
}
this.csAllPrimitives_.removeAll();
this.csAllPrimitives_.destroyPrimitives = false;
}
/**
* Synchronizes the layer visibility properties
* to the given Cesium Primitive.
*/
updateLayerVisibility(olLayerWithParents, csPrimitive) {
let visible = true;
[olLayerWithParents.layer].concat(olLayerWithParents.parents).forEach((olLayer) => {
const layerVisible = olLayer.getVisible();
if (layerVisible !== undefined) {
visible = visible && layerVisible;
}
else {
visible = false;
}
});
csPrimitive.show = visible;
}
createSingleLayerCounterparts(olLayerWithParents) {
const olLayer = olLayerWithParents.layer;
if (!(olLayer instanceof olLayerVector) || olLayer instanceof olLayerVectorTile) {
return null;
}
console.assert(olLayer instanceof olLayerLayer);
let source = olLayer.getSource();
if (source instanceof olSourceCluster) {
source = source.getSource();
}
if (!source) {
return null;
}
console.assert(source instanceof olSourceVector);
console.assert(this.view);
const view = this.view;
const featurePrimitiveMap = {};
const counterpart = this.converter.olVectorLayerToCesium(olLayer, view, featurePrimitiveMap);
const csPrimitives = counterpart.getRootPrimitive();
const olListenKeys = counterpart.olListenKeys;
[olLayerWithParents.layer].concat(olLayerWithParents.parents).forEach((olLayerItem) => {
olListenKeys.push(olLayerItem.on('change:visible', () => {
this.updateLayerVisibility(olLayerWithParents, csPrimitives);
}));
});
this.updateLayerVisibility(olLayerWithParents, csPrimitives);
const onAddFeature = (feature) => {
const context = counterpart.context;
const prim = this.converter.convert(olLayer, view, feature, context);
if (prim) {
featurePrimitiveMap[getUid(feature)] = prim;
csPrimitives.add(prim);
}
};
const onRemoveFeature = (feature) => {
const id = getUid(feature);
const context = counterpart.context;
const bbs = context.featureToCesiumMap[id];
if (bbs) {
delete context.featureToCesiumMap[id];
bbs.forEach((bb) => {
if (bb instanceof Cesium.Billboard) {
context.billboards.remove(bb);
}
});
}
const csPrimitive = featurePrimitiveMap[id];
delete featurePrimitiveMap[id];
if (csPrimitive) {
csPrimitives.remove(csPrimitive);
}
};
olListenKeys.push(source.on('addfeature', (e) => {
console.assert(e.feature);
onAddFeature(e.feature);
}));
olListenKeys.push(source.on('removefeature', (e) => {
console.assert(e.feature);
onRemoveFeature(e.feature);
}));
olListenKeys.push(source.on('changefeature', (e) => {
const feature = e.feature;
console.assert(feature);
onRemoveFeature(feature);
onAddFeature(feature);
}));
return counterpart ? [counterpart] : null;
}
}
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