You can define a mosaic rule to dynamically control how the service combines raster tiles into a mosaic. This sample shows sea temperature at the surface for the week of April 7, 2014. To learn more about defining rules, visit L.esri.Image in the API reference.
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<html>
<head>
<meta charset="utf-8" />
<title>Define a mosaic rule</title>
<meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no" />
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.3/dist/leaflet.css" crossorigin="" />
<script src="https://unpkg.com/leaflet@1.9.3/dist/leaflet.js" crossorigin=""></script>
<!-- Load Esri Leaflet from CDN -->
<script src="https://unpkg.com/esri-leaflet@3.0.10/dist/esri-leaflet.js"></script>
<style>
html,
body,
#map {
padding: 0;
margin: 0;
height: 100%;
width: 100%;
font-family: Arial, Helvetica, sans-serif;
font-size: 14px;
color: #323232;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
const mosaicRule = {
multidimensionalDefinition: [
{
// DEPTH: show only temperatures at sea surface
dimensionName: "StdZ", // water depth
values: [0], // sea surface or 0ft
isSlice: true
},
{
// TIME: only show temperatures for the week of April 7, 2014
dimensionName: "StdTime", // time temp was recorded
values: [1396828800000], // week of April 7, 2014
isSlice: true
}
]
};
const map = L.map("map").setView([30, 0], 2);
L.esri
.imageMapLayer({
url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/ScientificData/SeaTemperature/ImageServer",
mosaicRule: mosaicRule,
useCors: false
})
.addTo(map);
</script>
</body>
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