OpenLayers Zoom

Place a permalink in the anchor of the url.

by Nick Karnik

HTML

<script src="http://openlayers.org/api/OpenLayers.js"></script>
<script src="http://fbug.googlecode.com/svn/lite/branches/flexBox/content/firebug-lite-dev.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/themes/base/jquery-ui.css">
<div id="map" class="smallmap"></div>

CSS

html, body, #map {
    height: 100%;
    width: 100%;
}

div.olMap {
    z-index: 0;
    padding: 0 !important;
    margin: 0 !important;
    cursor: default;
}

div.olMapViewport {
    text-align: left;
}

div.olLayerDiv {
   -moz-user-select: none;
   -khtml-user-select: none;
}

.olLayerGoogleCopyright {
    left: 2px;
    bottom: 2px;
}
.olLayerGoogleV3.olLayerGoogleCopyright {
    right: auto !important;
}
.olLayerGooglePoweredBy {
    left: 2px;
    bottom: 15px;
}
.olLayerGoogleV3.olLayerGooglePoweredBy {
    bottom: 15px !important;
}
.olControlAttribution {
    font-size: smaller;
    right: 3px;
    bottom: 4.5em;
    position: absolute;
    display: block;
}
.olControlScale {
    right: 3px;
    bottom: 3em;
    display: block;
    position: absolute;
    font-size: smaller;
}
.olControlScaleLine {
   display: block;
   position: absolute;
   left: 10px;
   bottom: 15px;
   font-size: xx-small;
}
.olControlScaleLineBottom {
   border: solid 2px black;
   border-bottom: none;
   margin-top:-2px;
   text-align: center;
}
.olControlScaleLineTop {
   border: solid 2px black;
   border-top: none;
   text-align: center;
}

.olControlPermalink {
    right: 3px;
    bottom: 1.5em;
    display: block;
    position: absolute;
    font-size: smaller;
}

div.olControlMousePosition {
    bottom: 0;
    right: 3px;
    display: block;
    position: absolute;
    font-family: Arial;
    font-size: smaller;
}

.olControlOverviewMapContainer {
    position: absolute;
    bottom: 0;
    right: 0;
}

.olControlOverviewMapElement {
    padding: 10px 18px 10px 10px;
    background-color: #00008B;
    -moz-border-radius: 1em 0 0 0;
}

.olControlOverviewMapMinimizeButton,
.olControlOverviewMapMaximizeButton {
    height: 18px;
    width: 18px;
    right: 0;
    bottom: 80px;
    cursor: pointer;
}

.olControlOverviewMapExtentRectangle {
    overflow: hidden;
    background-image: url("img/blank.gif");
    cursor: move;
    border: 2px dotted...

JavaScript

(function($) {

    function init() {
        var map = new OpenLayers.Map({
            div: "map",
            projection: new OpenLayers.Projection("EPSG:900913"),
            displayProjection: new OpenLayers.Projection("EPSG:4326"),
            layers: [
                new OpenLayers.Layer.OSM()
                ]
        });
        if (!map.getCenter()) {
            map.zoomToMaxExtent();
        }
    }
    
    init();

})(jQuery);