Fit to the bounds of a LineString
Get the bounds of a LineString.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="stylesheet" href="https://maps-sdk.trimblemaps.com/v4/trimblemaps-4.2.3.css" />
<script src="https://maps-sdk.trimblemaps.com/v4/trimblemaps-4.2.3.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
html,
body,
#map {
height: 100%;
}
</style>
</head>
<body>
<style>
.btn-control {
background-color: #3386c0;
border-radius: 3px;
border: none;
color: #fff;
cursor: pointer;
display: block;
font: bold 12px/20px system-ui, sans-serif;
left: 50%;
margin-left: -100px;
padding: 10px 20px;
position: absolute;
top: 20px;
width: 200px;
z-index: 1;
}
.btn-control:hover {
background-color: #4ea0da;
}
</style>
<div id="map"></div>
<button id="zoomto" class="btn-control">Zoom to bounds</button>
<script>
// A GeoJSON object with a LineString route from the White House to Capitol Hill
const geojson = {
type: 'FeatureCollection',
features: [
{
type: 'Feature',
geometry: {
type: 'LineString',
properties: {},
coordinates: [
[-77.0366048812866, 38.89873175227713],
[-77.03364372253417, 38.89876515143842],
[-77.03364372253417, 38.89549195896866],
[-77.02982425689697, 38.89549195896866],
[-77.02400922775269, 38.89387200688839],
[-77.01519012451172, 38.891416957534204],
[-77.01521158218382, 38.892068305429156],
[-77.00813055038452, 38.892051604275686],
[-77.00832366943358, 38.89143365883688],
[-77.00818419456482, 38.89082405874451],
[-77.00815200805664, 38.88989712255097],
],
},
},
],
};
TrimbleMaps.setAPIKey('YOUR_API_KEY_HERE');
const map = new TrimbleMaps.Map({
container: 'map',
style: TrimbleMaps.Common.Style.TRANSPORTATION,
center: [-77.0214, 38.897],
zoom: 12,
});
map.on('load', () => {
map.addSource('LineString', {
type: 'geojson',
data: geojson,
});
map.addLayer({
id: 'LineString',
type: 'line',
source: 'LineString',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': '#BF93E4',
'line-width': 5,
},
});
document.getElementById('zoomto').addEventListener('click', () => {
// Geographic coordinates of the LineString
const coordinates = geojson.features[0].geometry.coordinates;
// Pass the first coordinates in the LineString to `lngLatBounds` &
// wrap each coordinate pair in `extend` to include them in the bounds
// result. A variation of this technique could be applied to zooming
// to the bounds of multiple Points or Polygon geometries - it just
// requires wrapping all the coordinates with the extend method.
const bounds = coordinates.reduce((bounds, coord) => {
return bounds.extend(coord);
}, new TrimbleMaps.LngLatBounds(coordinates[0], coordinates[0]));
map.fitBounds(bounds, {
padding: 20,
});
});
});
</script>
</body>
</html>
Fit to the bounds of a LineString
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="stylesheet" href="https://maps-sdk.trimblemaps.com/v4/trimblemaps-4.2.3.css" />
<script src="https://maps-sdk.trimblemaps.com/v4/trimblemaps-4.2.3.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
html,
body,
#map {
height: 100%;
}
</style>
</head>
<body>
<style>
.btn-control {
background-color: #3386c0;
border-radius: 3px;
border: none;
color: #fff;
cursor: pointer;
display: block;
font: bold 12px/20px system-ui, sans-serif;
left: 50%;
margin-left: -100px;
padding: 10px 20px;
position: absolute;
top: 20px;
width: 200px;
z-index: 1;
}
.btn-control:hover {
background-color: #4ea0da;
}
</style>
<div id="map"></div>
<button id="zoomto" class="btn-control">Zoom to bounds</button>
<script>
// A GeoJSON object with a LineString route from the White House to Capitol Hill
const geojson = {
type: 'FeatureCollection',
features: [
{
type: 'Feature',
geometry: {
type: 'LineString',
properties: {},
coordinates: [
[-77.0366048812866, 38.89873175227713],
[-77.03364372253417, 38.89876515143842],
[-77.03364372253417, 38.89549195896866],
[-77.02982425689697, 38.89549195896866],
[-77.02400922775269, 38.89387200688839],
[-77.01519012451172, 38.891416957534204],
[-77.01521158218382, 38.892068305429156],
[-77.00813055038452, 38.892051604275686],
[-77.00832366943358, 38.89143365883688],
[-77.00818419456482, 38.89082405874451],
[-77.00815200805664, 38.88989712255097],
],
},
},
],
};
TrimbleMaps.setAPIKey('YOUR_API_KEY_HERE');
const map = new TrimbleMaps.Map({
container: 'map',
style: TrimbleMaps.Common.Style.TRANSPORTATION,
center: [-77.0214, 38.897],
zoom: 12,
});
map.on('load', () => {
map.addSource('LineString', {
type: 'geojson',
data: geojson,
});
map.addLayer({
id: 'LineString',
type: 'line',
source: 'LineString',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': '#BF93E4',
'line-width': 5,
},
});
document.getElementById('zoomto').addEventListener('click', () => {
// Geographic coordinates of the LineString
const coordinates = geojson.features[0].geometry.coordinates;
// Pass the first coordinates in the LineString to `lngLatBounds` &
// wrap each coordinate pair in `extend` to include them in the bounds
// result. A variation of this technique could be applied to zooming
// to the bounds of multiple Points or Polygon geometries - it just
// requires wrapping all the coordinates with the extend method.
const bounds = coordinates.reduce((bounds, coord) => {
return bounds.extend(coord);
}, new TrimbleMaps.LngLatBounds(coordinates[0], coordinates[0]));
map.fitBounds(bounds, {
padding: 20,
});
});
});
</script>
</body>
</html>