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Léo Serre 2018-06-27 20:31:27 +02:00
commit 4e6c027acb
4 changed files with 101 additions and 0 deletions
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48
geojson.php Normal file
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<?php
/*
* Title: CSV to GeoJSON
* Notes: Convert a comma separated CSV file of points with x & y fields to GeoJSON format, suitable for use in OpenLayers, Leaflet, etc. Only point features are supported.
* Author: Bryan R. McBride, GISP
* Contact: bryanmcbride.com
* GitHub: https://github.com/bmcbride/PHP-Database-GeoJSON
*/
# Read the CSV file
$csvfile = 'positions.txt';
$handle = fopen($csvfile, 'r');
# Build GeoJSON feature collection array
$geojson = array(
'type' => 'FeatureCollection',
'features' => array()
);
# Loop through rows to build feature arrays
$header = NULL;
while (($row = fgetcsv($handle, 1000, ',')) !== FALSE) {
if (!$header) {
$header = $row;
} else {
$data = array_combine($header, $row);
$properties = $data;
# Remove x and y fields from properties (optional)
unset($properties['x']);
unset($properties['y']);
$feature = array(
'type' => 'Feature',
'geometry' => array(
'type' => 'Point',
'coordinates' => array(
$data['x'],
$data['y']
)
),
'properties' => $properties
);
# Add feature arrays to feature collection array
#array_push($geojson['features'], $feature);
}
}
array_push($geojson['features'], $feature);
fclose($handle);
header('Content-type: application/json');
header("Access-Control-Allow-Origin: *");
echo json_encode($geojson, JSON_NUMERIC_CHECK);
?>

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index.php Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HRP Geolocator</title>
</head>
<body>
<h1>Rien à voir ici.</h1>
<p>Il n'y a rien de spécial à voir ici.</p>
</body>
</html>

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positions.txt Normal file
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date,y,x

41
rename_that_file.php Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HRP Geolocator</title>
<style type="text/css">* { border: 0; margin: 0; padding: 0; width: 100%; height: 100%;}</style>
</head>
<?php if( isset($_POST['button']) ) {
if( $_POST['lat'] != 0 && $_POST['lon'] != 0)
file_put_contents("positions.txt", date("d/m/o H:i", time()+7200).",".$_POST['lat'].",".$_POST['lon']."\n", FILE_APPEND); ?>
<body>
<p>Position added.</p>
</body>
<?php }
else { ?>
<body onload="getLocation()">
<form method="post">
<input type="hidden" name="lat" id="lat" value="0">
<input type="hidden" name="lon" id="lon" value="0">
<button type="submit" name="button" id="button">Waiting for geolocation...</button>
</form>
<script>
var x = document.getElementById("button");
function getLocation() {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(showPosition);
} else {
x.innerHTML = "Geolocation is not supported by this browser.";
}
}
function showPosition(position) {
document.getElementById("lat").value = position.coords.latitude;
document.getElementById("lon").value = position.coords.longitude;
x.innerHTML = "Latitude: " + position.coords.latitude +
"<br>Longitude: " + position.coords.longitude;
}
</script>
</body>
<?php } ?>
</html>