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OverlappingMarkerSpiderfier funktioniert , aber muss noch optimiert werden, bei 2 Marker in einem gleichen Koordinaten kein Problem, bei 5 Devices in eeinem Koordinaten muss zuerst reinzoomen dann funktioniert es

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ISA
2024-04-18 07:50:03 +02:00
parent b0a3d7dec9
commit 6d74227747
1 changed files with 30 additions and 43 deletions
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73
lib/OverlappingMarkerSpiderfier.js
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@@ -5,12 +5,12 @@ export class OverlappingMarkerSpiderfier {
this.map = map;
this.markers = [];
this.markerListeners = [];
this.listeners = {};
this.keepSpiderfied = options.keepSpiderfied || false;
this.nearbyDistance = options.nearbyDistance || 20;
this.circleSpiralSwitchover = options.circleSpiralSwitchover || 9;
this.circleFootSeparation = options.circleFootSeparation || 25; // pixels
this.circleFootSeparation = options.circleFootSeparation || 25;
this.circleStartAngle = options.circleStartAngle || Math.PI / 6;
this.spiralFootSeparation = options.spiralFootSeparation || 28; // pixels
this.spiralFootSeparation = options.spiralFootSeparation || 28;
this.spiralLengthStart = options.spiralLengthStart || 11;
this.spiralLengthFactor = options.spiralLengthFactor || 5;
this.legWeight = options.legWeight || 1.5;
@@ -20,8 +20,8 @@ export class OverlappingMarkerSpiderfier {
};
this.initMarkerArrays();
this.map.on("click", this.unspiderfy.bind(this));
this.map.on("zoomend", this.unspiderfy.bind(this));
this.map.on("click", () => this.unspiderfy());
this.map.on("zoomend", () => this.unspiderfy());
}
initMarkerArrays() {
@@ -30,8 +30,9 @@ export class OverlappingMarkerSpiderfier {
}
addMarker(marker) {
if (marker._oms) return this;
marker._oms = true;
if (!marker._oms) {
marker._oms = {}; // Stellt sicher, dass _oms ein Objekt ist
}
const listener = () => {
this.spiderListener(marker);
@@ -45,69 +46,55 @@ export class OverlappingMarkerSpiderfier {
}
spiderListener(marker) {
const spidered = !!marker._omsData;
const spidered = marker._oms.spidered;
if (!spidered) {
const nearMarkers = this.nearbyMarkers(marker);
if (nearMarkers.length > 1) {
this.spiderfy(nearMarkers);
}
} else {
this.unspiderfy(); // Schließt alle gespiderfied Marker, wenn einer erneut geklickt wird
}
}
nearbyMarkers(marker) {
const nearby = [];
const markerPt = this.map.latLngToLayerPoint(marker.getLatLng());
this.markers.forEach((m) => {
if (m !== marker) {
const mPt = this.map.latLngToLayerPoint(m.getLatLng());
const distanceSq = this.ptDistanceSq(mPt, markerPt);
if (distanceSq < this.nearbyDistance * this.nearbyDistance) {
nearby.push(m);
}
}
return this.markers.filter((m) => {
const distance = this.map.distance(marker.getLatLng(), m.getLatLng());
return distance < this.nearbyDistance && marker !== m;
});
return nearby;
}
spiderfy(markers) {
const centerPt = this.map.latLngToLayerPoint(markers[0].getLatLng());
markers.forEach((marker, index) => {
const angle =
this.circleStartAngle + (index * 2 * Math.PI) / markers.length;
const legLength =
this.circleFootSeparation * (2 + index / markers.length);
markers.forEach((marker, i) => {
const angle = this.circleStartAngle + (i * 2 * Math.PI) / markers.length;
const legLength = this.circleFootSeparation * (2 + i / markers.length);
const newPt = L.point(
centerPt.x + legLength * Math.cos(angle),
centerPt.y + legLength * Math.sin(angle)
);
const newLatLng = this.map.layerPointToLatLng(newPt);
if (!marker._oms) {
marker._oms = {}; // Stellt sicher, dass _oms ein Objekt ist
}
// Speichert die aktuelle Position, bevor sie verändert wird
marker._oms.usualPosition = marker.getLatLng();
marker._oms.spidered = true; // Markiert, dass der Marker gespiderfied ist
marker.setLatLng(newLatLng);
marker.setZIndexOffset(1000);
const polyline = L.polyline([marker.getLatLng(), newLatLng], {
color: this.legColors.usual,
weight: this.legWeight,
clickable: false,
});
this.map.addLayer(polyline);
});
}
unspiderfy() {
this.markers.forEach((marker) => {
if (marker._omsData) {
marker.setLatLng(marker._omsData.usualPosition);
if (marker._oms && marker._oms.spidered) {
// Setzt den Marker nur dann zurück, wenn er gespiderfied war
marker.setLatLng(marker._oms.usualPosition);
marker.setZIndexOffset(0);
this.map.removeLayer(marker._omsData.leg);
delete marker._omsData;
marker._oms.spidered = false; // Setzt zurück, dass der Marker nicht mehr gespiderfied ist
}
});
}
ptDistanceSq(pt1, pt2) {
const dx = pt1.x - pt2.x;
const dy = pt1.y - pt2.y;
return dx * dx + dy * dy;
}
}