【发布时间】:2022-01-07 06:00:07
【问题描述】:
我尝试使用 mapbox GL 在 React 中渲染地图。 我已经使用 Grid 将屏幕分为 4(2 col/crow),并使用以下 css:
.container {
font-family: sans-serif;
margin: 0;
display: grid;
grid-template-rows: 1fr 7fr;
grid-template-columns: auto;
gap: 5px;
grid-template-areas: "cr1 cr2"
"cr1 cr4";
height: 100vh;
width: 200vh;
background-color: chartreuse;
}
.table {
grid-area: cr1 ;
background-color: aqua;
display: flex;
justify-content: center;
align-items: center;
}
.tank-select {
grid-area: cr2;
background-color: grey;
}
.map {
grid-area: cr4;
display: flex;
justify-content:space-around;
align-items:stretch;
background-color: blueviolet;
}
我想将地图放在 cr4 框中,代码如下:
<div className="container">
<div className="table">test</div>
<div className="tank-select">test2</div>
<div className="map">
<Map />
</div>
</div>
地图是这样计算的:
const mapContainerRef = useRef(null)
const [lng, setLng] = useState(5)
const [lat, setLat] = useState(34)
const [zoom, setZoom] = useState(1.5)
// Initialize map when component mounts
useEffect(() => {
const map = new mapboxgl.Map({
container: mapContainerRef.current,
style: 'mapbox://styles/mapbox/streets-v11',
center: [lng, lat],
zoom: zoom,
})
// Add navigation control (the +/- zoom buttons)
map.addControl(new mapboxgl.NavigationControl(), 'top-right')
map.on('move', () => {
setLng(map.getCenter().lng.toFixed(4))
setLat(map.getCenter().lat.toFixed(4))
setZoom(map.getZoom().toFixed(2))
})
// const marker = new mapboxgl.Marker().setLngLat(TankLocationArray).addTo(map)
//
map.on('load', function () {
map.addSource('route', {
type: 'geojson',
data: '../../assets/data/test.geoJSON',
})
map.addLayer({
id: 'route',
type: 'symbol',
source: 'route',
paint: {
'circle-radius': 10,
'circle-color': '#ff0000',
},
})
})
//
// Clean up on unmount
return () => map.remove()
}, []) // eslint-disable-line react-hooks/exhaustive-deps
return (
<div>
<div className="sidebarStyle">
<div>
Longitude: {lng} | Latitude: {lat} | Zoom: {zoom}
</div>
</div>
<div className="map-container" ref={mapContainerRef} />
</div>
使用 css:
.map-container {
position:relative;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
.sidebarStyle {
display: inline-block;
position: absolute;
top: 0;
left: 0;
margin: 12px;
background-color: #404040;
color: #ffffff;
z-index: 1 !important;
padding: 6px;
font-weight: bold;
}
当我将地图容器位置从相对更改为绝对时,地图将占据整个屏幕,否则它不可见。
我不知道如何设置样式以使地图仅出现在 .map(cr4) 框中。 感谢您的帮助
【问题讨论】:
标签: node.js reactjs mapbox-gl-js