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Zaterna 2023-10-29 12:28:56 +01:00
parent 68dcef7596
commit c95d25a036
2 changed files with 133 additions and 0 deletions
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60
geotiff.github.io.htm Normal file
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css"/>
<style>
#map {
bottom: 0;
left: 0;
position: absolute;
right: 0;
top: 0;
}
</style>
</head>
<body>
<div id="map"></div>
<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet.js"></script>
<script src="https://unpkg.com/georaster"></script>
<script src="https://unpkg.com/georaster-layer-for-leaflet"></script>
<script>
// initialize leaflet map
var map = L.map('map').setView([0, 0], 5);
// add OpenStreetMap basemap
L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);
var url_to_geotiff_file = "http://86.252.142.56/KENNEDY.tif";
fetch(url_to_geotiff_file)
.then(response => response.arrayBuffer())
.then(arrayBuffer => {
parseGeoraster(arrayBuffer).then(georaster => {
console.log("georaster:", georaster);
/*
GeoRasterLayer is an extension of GridLayer,
which means can use GridLayer options like opacity.
Just make sure to include the georaster option!
http://leafletjs.com/reference-1.2.0.html#gridlayer
*/
var layer = new GeoRasterLayer({
georaster: georaster,
opacity: 0.7,
resolution: 256
});
layer.addTo(map);
map.fitBounds(layer.getBounds());
});
});
</script>
</body>
</html>

73
load-file.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"/>
<style>
#map {
height: 400px;
width: 600px;
max-width: 100%;
max-height: 100%;
background-color: white;
outline:auto;
}
#overlay {
height: 100px;
z-index: 9;
}
</style>
</head>
<body>
<div id="overlay">
<h1>Load a GeoTIFF File</h1>
<input type="file" id="geotiff-file">
</div>
<div id="map"></div>
<script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
<script src="https://unpkg.com/georaster"></script>
<script src="https://unpkg.com/proj4"></script>
<script src="https://unpkg.com/georaster-layer-for-leaflet"></script>
<script>
// initalize leaflet map
var map = L.map('map').setView([0, 0], 5);
// add OpenStreetMap basemap
L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);
document.getElementById("geotiff-file").addEventListener("change", function(event) {
var file = event.target.files[0];
console.log("file:", file);
var reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onloadend = function() {
var arrayBuffer = reader.result;
parseGeoraster(arrayBuffer).then(georaster => {
console.log("georaster:", georaster);
/*
GeoRasterLayer is an extension of GridLayer,
which means can use GridLayer options like opacity.
Just make sure to include the georaster option!
http://leafletjs.com/reference-1.2.0.html#gridlayer
*/
var layer = new GeoRasterLayer({
georaster: georaster,
opacity: 0.7,
resolution: 256
});
console.log("layer:", layer);
layer.addTo(map);
map.fitBounds(layer.getBounds());
});
};
});
</script>
</body>
</html>