Clustering tileVectorSource...
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@ -10,7 +10,7 @@ import Attribution from 'ol/control/Attribution';
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import Rotate from 'ol/control/Rotate';
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import ScaleLine from 'ol/control/ScaleLine';
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import Control from 'ol/control/Control';
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import { useGeographic as olUseGeographic } from 'ol/proj';
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import { toLonLat, useGeographic as olUseGeographic } from 'ol/proj';
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import DragRotate from 'ol/interaction/DragRotate';
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import 'ol/ol.css';
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@ -48,6 +48,7 @@ import VectorTileLayer from 'ol/layer/VectorTile';
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import VectorTileSource from 'ol/source/VectorTile.js';
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import MVT from 'ol/format/MVT.js';
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import style from '../gpx/styles';
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import { DepartureBoard } from '@suid/icons-material';
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const [getState, setState] = createSignal({
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lon: 0,
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@ -243,6 +244,12 @@ const Map: Component = () => {
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maxZoom: 14,
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});
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console.log({
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caller: 'Map / projections',
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vector: vectorLayer.getSource()?.getProjection(),
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vectorTile: vectorTileSource.getProjection(),
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});
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const vectorTileLayer = new VectorTileLayer({
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source: vectorTileSource,
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style: [],
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@ -282,7 +289,10 @@ const Map: Component = () => {
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const vectorTileMirrorSource = new VectorSource();
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let featuresForZ: Feature[] = [];
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let viewZ: number = floor(+getState().zoom) - 1;
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let viewZ = vectorTileLayer
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.getSource()
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.getTileGrid()
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.getZForResolution(olMap.getView().getResolution());
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const vectorMirrorRefresh = () => {
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console.log({
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@ -295,19 +305,42 @@ const Map: Component = () => {
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vectorTileMirrorSource.clear();
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if (featuresForZ[viewZ]) {
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vectorTileMirrorSource.addFeatures(featuresForZ[viewZ]);
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// vectorMirrorLayer.getSource()?.refresh();
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}
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//vectorMirrorLayer.changed();
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};
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vectorTileLayer.getSource()?.on('tileloadend', (evt) => {
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const z = evt.tile.getTileCoord()[0];
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const features = evt.tile.getFeatures();
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features.forEach((feature: Feature) => {
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feature.setId(undefined);
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// const features = evt.tile.getFeatures();
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// features.forEach((feature: Feature) => {
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// feature.setId(undefined);
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// });
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const features = evt.tile
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.getFeatures()
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.filter((feature: Feature) => feature.get('type') === 'poi')
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.map((feature: Feature) => {
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const center = olExtent.getCenter(feature.getGeometry().getExtent());
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const centerLonLat = toLonLat(
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center,
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olMap.getView().getProjection()
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);
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const newFeature = feature.clone();
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newFeature.setGeometry(new Point(centerLonLat));
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// console.log({
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// caller: 'Map / Cluster / on tileloadend / new feature',
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// feature,
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// center,
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// centerLonLat,
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// newFeature,
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// });
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return newFeature;
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});
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if (!Array.isArray(featuresForZ[z])) {
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featuresForZ[z] = [];
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}
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featuresForZ[z] = featuresForZ[z].concat(features);
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// evt.tile.setFeatures([]);
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if (z === viewZ) {
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vectorMirrorRefresh();
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}
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@ -343,27 +376,73 @@ const Map: Component = () => {
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});
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let vectorMirrorLayer = new VectorLayer({
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// source: vectorTileMirrorSource,
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source: new Cluster({
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source: vectorTileMirrorSource,
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geometryFunction: function (feature: Feature) {
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// test data is linestrings
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return new Point(
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olExtent.getCenter(feature.getGeometry().getExtent())
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);
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// geometryFunction: (feature: Feature) => {
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// // console.log({
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// // caller: 'Map / Cluster / geometryFunction',
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// // feature,
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// // });
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// // test data is linestrings
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// // return new Point(
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// // olExtent.getCenter(feature.getGeometry().getExtent())
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// // );
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// if (feature.get('type') === 'poi') {
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// return feature.getGeometry();
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// }
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// return null;
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// },
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createCluster: (point: Point, features: Feature[]) => {
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// console.log({
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// caller: 'Map / Cluster / createCluster',
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// point,
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// features,
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// });
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// return features[0];
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return new Feature({
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geometry: point,
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features: features,
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});
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},
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distance: 100,
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minDistance: 10,
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}),
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zIndex: Infinity,
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style,
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// style: function (feature) {
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// return new Style({
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style: function (feature) {
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// console.log({
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// caller: 'Map / Cluster / style',
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// feature,
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// });
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return new Style({
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image: new Circle({
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radius: feature.get('features').length * 5,
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fill: new Fill({ color: 'black' }),
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}),
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});
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},
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// style: new Style({
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// image: new Circle({
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// radius: feature.get('features').length * 5,
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// radius: 20,
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// fill: new Fill({ color: 'black' }),
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// }),
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// });
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// },
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// }),
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});
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olMap.addLayer(vectorMirrorLayer);
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console.log({
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caller: 'Map / projections',
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olMap,
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map: olMap.getView().getProjection(),
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vectorSource: vectorLayer.getSource()?.getProjection(),
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vectorTileMirrorSource: vectorTileMirrorSource.getProjection(),
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vectorTileSource: vectorTileSource.getProjection(),
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clusterSource: vectorMirrorLayer.getSource()?.getProjection(),
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});
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setMap(olMap);
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});
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