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add rendering test for vector tiles masking
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import Feature from '../../../../src/ol/Feature.js'; | ||
import Map from '../../../../src/ol/Map.js'; | ||
import Polygon from '../../../../src/ol/geom/Polygon.js'; | ||
import VectorTile from '../../../../src/ol/layer/VectorTile.js'; | ||
import VectorTileSource from '../../../../src/ol/source/VectorTile.js'; | ||
import View from '../../../../src/ol/View.js'; | ||
import WebGLVectorTileLayerRenderer from '../../../../src/ol/renderer/webgl/VectorTileLayer.js'; | ||
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const source = new VectorTileSource({ | ||
tileSize: 64, | ||
url: '{z}/{x}/{y}', | ||
tileLoadFunction: (tile) => { | ||
const z = tile.tileCoord[0]; | ||
if (z > 2 && tile.tileCoord[1] > tile.tileCoord[2]) { | ||
return; | ||
} | ||
const extent = source.getTileGrid().getTileCoordExtent(tile.tileCoord); | ||
const delta = (extent[2] - extent[0]) * 0.1; | ||
const square = new Polygon([ | ||
[ | ||
[extent[0] + 2 * delta, extent[1] + 2 * delta], | ||
[extent[2] - 2 * delta, extent[1] + 2 * delta], | ||
[extent[2] - 2 * delta, extent[3] - 2 * delta], | ||
[extent[0] + 2 * delta, extent[3] - 2 * delta], | ||
[extent[0] + 2 * delta, extent[1] + 2 * delta], | ||
], | ||
]); | ||
const innerSquare = new Polygon([ | ||
[ | ||
[extent[0] + 4 * delta, extent[1] + 4 * delta], | ||
[extent[2] - 4 * delta, extent[1] + 4 * delta], | ||
[extent[2] - 4 * delta, extent[3] - 4 * delta], | ||
[extent[0] + 4 * delta, extent[3] - 4 * delta], | ||
[extent[0] + 4 * delta, extent[1] + 4 * delta], | ||
], | ||
]); | ||
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const features = [new Feature(square), new Feature(innerSquare)]; | ||
tile.setFeatures(features); | ||
}, | ||
}); | ||
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class WebGLVectorTileLayer extends VectorTile { | ||
createRenderer() { | ||
return new WebGLVectorTileLayerRenderer(this, { | ||
className: this.getClassName(), | ||
style: { | ||
'fill-color': '#eee', | ||
'stroke-color': 'rgb(136,136,136, 0.5)', | ||
'stroke-width': 2, | ||
'circle-radius': 2, | ||
'circle-fill-color': '#707070', | ||
}, | ||
}); | ||
} | ||
} | ||
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const map = new Map({ | ||
pixelRatio: 2, | ||
layers: [ | ||
new WebGLVectorTileLayer({ | ||
source, | ||
}), | ||
], | ||
target: 'map', | ||
view: new View({ | ||
center: [0, 0], | ||
zoom: 0, | ||
rotation: Math.PI / 8, | ||
}), | ||
}); | ||
map.renderSync(); | ||
setTimeout(() => { | ||
map.getView().setZoom(1); | ||
map.renderSync(); | ||
setTimeout(() => { | ||
render({ | ||
message: | ||
'Vector tiles from lower zoom levels are hidden by higher zoom levels', | ||
tolerance: 0.001, | ||
}); | ||
}); | ||
}); |