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Diffstat (limited to 'misc/openlayers/examples/fractional-zoom.html')
-rw-r--r-- | misc/openlayers/examples/fractional-zoom.html | 72 |
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> + + + + |