Update vector image layer example

This commit is contained in:
Tim Schaub
2022-01-07 12:51:28 -07:00
parent 71af0eee43
commit 73f54c1e6c

View File

@@ -4,33 +4,30 @@ import VectorImageLayer from '../src/ol/layer/VectorImage.js';
import VectorLayer from '../src/ol/layer/Vector.js';
import VectorSource from '../src/ol/source/Vector.js';
import View from '../src/ol/View.js';
import {Fill, Stroke, Style, Text} from '../src/ol/style.js';
import {Fill, Stroke, Style} from '../src/ol/style.js';
const style = new Style({
fill: new Fill({
color: 'rgba(255, 255, 255, 0.6)',
color: '#eeeeee',
}),
stroke: new Stroke({
color: '#319FD3',
width: 1,
}),
text: new Text(),
});
const map = new Map({
layers: [
new VectorImageLayer({
const vectorLayer = new VectorImageLayer({
background: '#1a2b39',
imageRatio: 2,
source: new VectorSource({
url: 'data/geojson/countries.geojson',
url: 'https://openlayers.org/data/vector/ecoregions.json',
format: new GeoJSON(),
}),
style: function (feature) {
style.getText().setText(feature.get('name'));
const color = feature.get('COLOR') || '#eeeeee';
style.getFill().setColor(color);
return style;
},
}),
],
});
const map = new Map({
layers: [vectorLayer],
target: 'map',
view: new View({
center: [0, 0],
@@ -43,27 +40,21 @@ const featureOverlay = new VectorLayer({
map: map,
style: new Style({
stroke: new Stroke({
color: '#f00',
width: 1,
}),
fill: new Fill({
color: 'rgba(255,0,0,0.1)',
color: 'rgba(255, 255, 255, 0.7)',
width: 2,
}),
}),
});
let highlight;
const displayFeatureInfo = function (pixel) {
map
.getLayers()
.item(0)
.getFeatures(pixel)
.then(function (features) {
const feature = features.length > 0 ? features[0] : undefined;
const feature = map.forEachFeatureAtPixel(pixel, function (feature) {
return feature;
});
const info = document.getElementById('info');
if (feature) {
info.innerHTML = feature.getId() + ': ' + feature.get('name');
info.innerHTML = feature.get('ECO_NAME') || ' ';
} else {
info.innerHTML = ' ';
}
@@ -77,13 +68,14 @@ const displayFeatureInfo = function (pixel) {
}
highlight = feature;
}
});
};
map.on('pointermove', function (evt) {
if (!evt.dragging) {
displayFeatureInfo(evt.pixel);
if (evt.dragging) {
return;
}
const pixel = map.getEventPixel(evt.originalEvent);
displayFeatureInfo(pixel);
});
map.on('click', function (evt) {