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even better performance by combining km marks and arrows

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This commit is contained in:
Fedor Katurov 2020-01-16 16:31:47 +07:00
parent f4cd6bd44a
commit 4ac0bbebe2
2 changed files with 15 additions and 14 deletions
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7
src/styles/map.less
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@ -130,6 +130,13 @@
left: 50%;
font-weight: bold;
padding: 0 2px;
svg {
position: absolute;
top: -16px;
left: 50%;
transform: translate(-50%, 0);
}
}
}

22
src/utils/marks.ts
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@ -1,8 +1,9 @@
import { divIcon, LatLngLiteral, Layer, LayerGroup, Map, marker, Marker } from 'leaflet';
import { arrowClusterIcon, createArrow } from '~/utils/arrow';
import { arrowClusterIcon } from '~/utils/arrow';
import { MarkerClusterGroup } from 'leaflet.markercluster/dist/leaflet.markercluster-src.js';
import { allwaysPositiveAngleDeg, angleBetweenPoints, distKmHaversine } from '~/utils/geom';
import classNames from 'classnames';
const arrow_image = require('~/sprites/arrow.svg');
interface KmMarksOptions {
showMiddleMarkers: boolean;
@ -29,7 +30,6 @@ class KmMarksLayer extends LayerGroup {
this.marksLayer.clearLayers();
this.endMarker.clearLayers();
this.arrowsLayer.clearLayers();
this.distance = 0;
@ -70,7 +70,6 @@ class KmMarksLayer extends LayerGroup {
};
marks.push(this.createMiddleMarker(coords, angle, step));
arrows.push(createArrow(coords, angle));
}
last_km_mark = rounded;
@ -80,7 +79,6 @@ class KmMarksLayer extends LayerGroup {
}, 0);
this.marksLayer.addLayers(marks);
this.arrowsLayer.addLayers(arrows);
};
createMiddleMarker = (latlng: LatLngLiteral, angle: number, distance: number): Marker =>
@ -93,6 +91,10 @@ class KmMarksLayer extends LayerGroup {
angle
)}deg);">
${distance}
<svg width="48" height="48" preserveAspectRatio="xMidYMid">
<image xlink:href="${arrow_image}" x="0" y="0" width="48" height="48"/>
</svg>
</div>
`,
className: 'leaflet-km-marker',
@ -142,14 +144,6 @@ class KmMarksLayer extends LayerGroup {
maxClusterRadius: 120,
iconCreateFunction: arrowClusterIcon,
});
arrowsLayer: MarkerClusterGroup = new MarkerClusterGroup({
spiderfyOnMaxZoom: false,
showCoverageOnHover: false,
zoomToBoundsOnClick: false,
animate: false,
maxClusterRadius: 120,
iconCreateFunction: arrowClusterIcon,
});
endMarker: LayerGroup = new LayerGroup();
distance: number = 0;
}
@ -160,7 +154,7 @@ KmMarksLayer.addInitHook(function() {
this.map = event.target._map;
this.marksLayer.addTo(this.map);
this.endMarker.addTo(this.map);
this.arrowsLayer.addTo(this.map);
// this.arrowsLayer.addTo(this.map);
}
});
@ -168,7 +162,7 @@ KmMarksLayer.addInitHook(function() {
if (event.target instanceof KmMarksLayer) {
this.marksLayer.removeFrom(this.map);
this.endMarker.removeFrom(this.map);
this.arrowsLayer.removeFrom(this.map);
// this.arrowsLayer.removeFrom(this.map);
}
});
});