anthonyeden/sample_map_with_markers.html

## sample_map_with_markers.html
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>OpenStreetMap &amp; OpenLayers - Marker Example</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<link rel="stylesheet" href="https://openlayers.org/en/v4.6.5/css/ol.css" type="text/css">
	<script src="https://openlayers.org/en/v4.6.5/build/ol.js" type="text/javascript"></script>

  <script>
    /* OSM & OL example code provided by https://mediarealm.com.au/ */
    var map;
    var mapLat = -33.829357;
		var mapLng = 150.961761;
    var mapDefaultZoom = 10;

    function initialize_map() {
      map = new ol.Map({
        target: "map",
        layers: [
            new ol.layer.Tile({
                source: new ol.source.OSM({
                      url: "https://a.tile.openstreetmap.org/{z}/{x}/{y}.png"
                })
            })
        ],
        view: new ol.View({
            center: ol.proj.fromLonLat([mapLng, mapLat]),
            zoom: mapDefaultZoom
        })
      });
    }

    function add_map_point(lat, lng) {
      var vectorLayer = new ol.layer.Vector({
        source:new ol.source.Vector({
          features: [new ol.Feature({
                geometry: new ol.geom.Point(ol.proj.transform([parseFloat(lng), parseFloat(lat)], 'EPSG:4326', 'EPSG:3857')),
            })]
        }),
        style: new ol.style.Style({
          image: new ol.style.Icon({
            anchor: [0.5, 0.5],
            anchorXUnits: "fraction",
            anchorYUnits: "fraction",
            src: "https://upload.wikimedia.org/wikipedia/commons/e/ec/RedDot.svg"
          })
        })
      });

      map.addLayer(vectorLayer);
    }


  </script>
</head>
<body onload="initialize_map(); add_map_point(-33.8688, 151.2093);">
  <div id="map" style="width: 100vw; height: 100vh;"></div>
</body>
</html>

## tile_proxy.php
<?php
    // Example script to proxy OSM Tiles
    // Written by Anthony Eden (https://mediarealm.com.au)

    // This is a simplistic example without any caching
    // For an example with caching, see https://wiki.openstreetmap.org/wiki/ProxySimplePHP

    $x = $_GET['x'];
    $y = $_GET['y'];
    $z = $_GET['z'];

    if(!is_numeric($x) || !is_numeric($y) || !is_numeric($z)) {
        http_response_code(404);
        die("404 Not Found");
    }

    $ch = curl_init('https://maps.wikimedia.org/osm-intl/'.$z.'/'.$x.'/'.$y.'.png');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, 0);

    $image = curl_exec($ch);

    if(curl_getinfo($ch, CURLINFO_RESPONSE_CODE) == "404") {
        http_response_code(404);
        curl_close($ch);
        die("404 Not Found");
    }

    header ('Content-Type: image/png');
    header("Access-Control-Allow-Origin: *");

    echo $image;
    curl_close($ch);

?>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<title>OpenStreetMap & OpenLayers - Marker Example</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<link rel="stylesheet" href="https://openlayers.org/en/v4.6.5/css/ol.css" type="text/css">
	<script src="https://openlayers.org/en/v4.6.5/build/ol.js" type="text/javascript"></script>

	<script>
	/* OSM & OL example code provided by https://mediarealm.com.au/ */
	var map;
	var mapLat = -33.829357;
	var mapLng = 150.961761;
	var mapDefaultZoom = 10;

	function initialize_map() {
	map = new ol.Map({
	target: "map",
	layers: [
	new ol.layer.Tile({
	source: new ol.source.OSM({
	url: "https://a.tile.openstreetmap.org/{z}/{x}/{y}.png"
	})
	})
	],
	view: new ol.View({
	center: ol.proj.fromLonLat([mapLng, mapLat]),
	zoom: mapDefaultZoom
	})
	});
	}

	function add_map_point(lat, lng) {
	var vectorLayer = new ol.layer.Vector({
	source:new ol.source.Vector({
	features: [new ol.Feature({
	geometry: new ol.geom.Point(ol.proj.transform([parseFloat(lng), parseFloat(lat)], 'EPSG:4326', 'EPSG:3857')),
	})]
	}),
	style: new ol.style.Style({
	image: new ol.style.Icon({
	anchor: [0.5, 0.5],
	anchorXUnits: "fraction",
	anchorYUnits: "fraction",
	src: "https://upload.wikimedia.org/wikipedia/commons/e/ec/RedDot.svg"
	})
	})
	});

	map.addLayer(vectorLayer);
	}


	</script>
	</head>
	<body onload="initialize_map(); add_map_point(-33.8688, 151.2093);">
	<div id="map" style="width: 100vw; height: 100vh;"></div>
	</body>
	</html>
	<?php
	// Example script to proxy OSM Tiles
	// Written by Anthony Eden (https://mediarealm.com.au)

	// This is a simplistic example without any caching
	// For an example with caching, see https://wiki.openstreetmap.org/wiki/ProxySimplePHP

	$x = $_GET['x'];
	$y = $_GET['y'];
	$z = $_GET['z'];

	if(!is_numeric($x) \|\| !is_numeric($y) \|\| !is_numeric($z)) {
	http_response_code(404);
	die("404 Not Found");
	}

	$ch = curl_init('https://maps.wikimedia.org/osm-intl/'.$z.'/'.$x.'/'.$y.'.png');
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_HEADER, 0);

	$image = curl_exec($ch);

	if(curl_getinfo($ch, CURLINFO_RESPONSE_CODE) == "404") {
	http_response_code(404);
	curl_close($ch);
	die("404 Not Found");
	}

	header ('Content-Type: image/png');
	header("Access-Control-Allow-Origin: *");

	echo $image;
	curl_close($ch);

	?>