1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
import maplibregl from 'maplibre-gl';
import { useEffect } from 'react';
import { map } from './Map';
const ReplayPathMap = ({ positions }) => {
const id = 'replay';
useEffect(() => {
map.addSource(id, {
type: 'geojson',
data: {
type: 'Feature',
geometry: {
type: 'LineString',
coordinates: [],
},
},
});
map.addLayer({
source: id,
id,
type: 'line',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': '#333',
'line-width': 5,
},
});
return () => {
if (map.getLayer(id)) {
map.removeLayer(id);
}
if (map.getSource(id)) {
map.removeSource(id);
}
};
}, []);
useEffect(() => {
const coordinates = positions.map((item) => [item.longitude, item.latitude]);
map.getSource(id).setData({
type: 'Feature',
geometry: {
type: 'LineString',
coordinates,
},
});
if (coordinates.length) {
const bounds = coordinates.reduce((bounds, item) => bounds.extend(item), new maplibregl.LngLatBounds(coordinates[0], coordinates[0]));
map.fitBounds(bounds, {
padding: {
top: 50, bottom: 250, left: 25, right: 25,
},
});
}
}, [positions]);
return null;
};
export default ReplayPathMap;
|