summaryrefslogtreecommitdiff
path: root/misc/openlayers/examples/fractional-zoom.html
diff options
context:
space:
mode:
Diffstat (limited to 'misc/openlayers/examples/fractional-zoom.html')
-rw-r--r--misc/openlayers/examples/fractional-zoom.html72
1 files changed, 72 insertions, 0 deletions
diff --git a/misc/openlayers/examples/fractional-zoom.html b/misc/openlayers/examples/fractional-zoom.html
new file mode 100644
index 0000000..b01c2d6
--- /dev/null
+++ b/misc/openlayers/examples/fractional-zoom.html
@@ -0,0 +1,72 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
+ <meta name="apple-mobile-web-app-capable" content="yes">
+ <link rel="stylesheet" href="../theme/default/style.css" type="text/css">
+ <link rel="stylesheet" href="style.css" type="text/css">
+ <script src="../lib/OpenLayers.js"></script>
+ <script type="text/javascript">
+ var map;
+
+ function init() {
+ map = new OpenLayers.Map('map',
+ {controls: [new OpenLayers.Control.Navigation(),
+ new OpenLayers.Control.PanZoomBar()],
+ numZoomLevels: 10 });
+ var wms = new OpenLayers.Layer.WMS(
+ "OpenLayers WMS",
+ "http://vmap0.tiles.osgeo.org/wms/vmap0",
+ {layers: 'basic'}
+ );
+ map.addLayers([wms]);
+
+ map.events.register("moveend", null, displayZoom);
+
+ map.zoomToMaxExtent();
+
+ update(document.getElementById("fractional"));
+
+ }
+
+ function displayZoom() {
+ document.getElementById("zoom").innerHTML = map.zoom.toFixed(4);
+ }
+
+ function update(input) {
+ map.fractionalZoom = input.checked;
+ map.zoomTo(Math.round(map.zoom));
+ }
+ </script>
+ </head>
+ <body onload="init()">
+ <h1 id="title">Fractional Zoom Example</h1>
+
+ <div id="tags">
+ zoomlevel, unlimited zoom, scale
+ </div>
+ <p id="shortdesc">
+ Shows the use of a map with fractional (or non-discrete) zoom levels.
+ </p>
+
+ <div id="map" class="smallmap"></div>
+ <input type="checkbox" name="fractional"
+ id="fractional" checked="checked" onclick="update(this)" />
+ <label for="fractional">Fractional Zoom</label>
+ (zoom: <span id="zoom"></span>)
+ <br><br>
+ <div id="docs">
+ <p>
+ Setting the map.fractionalZoom property to true allows zooming to
+ an arbitrary level (between the min and max resolutions). This
+ can be demonstrated by shift-dragging a box to zoom to an arbitrary
+ extent.
+ </p>
+ </div>
+ </body>
+</html>
+
+
+
+