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| <noinclude>This widget allows you to embed '''[http://openstreetmap.org OpenStreetMap]''' in a wiki page.
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| == Using this widget ==
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| You can insert a map with the following wiki code:
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|
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| <nowiki>{{#widget:OpenStreetMap|lat=52.94762|lon=-1.1467897|zoom=16}}</nowiki>
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|
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| === Parameters ===
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| ;width
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| : Width of the embedded map (default 400px).
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| ;height
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| : Height of the embedded map (default 400px).
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| ;lat
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| : The x-coordinate for the centre of the view.
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| ;lon
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| : The y-coordinate for the centre of the view.
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| ;units
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| : The type of [http://dev.openlayers.org/docs/files/OpenLayers/Map-js.html#OpenLayers.Map.units map units] used for the coordinates (defaults to 'degrees').
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| ;zoom
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| : The [http://wiki.openstreetmap.org/wiki/Zoom_levels zoom level] (default 15).
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| ;showmarker
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| : Adds a visual marker to the center of the map (default false).
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|
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| ==== Points of interest ====
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| ;poifile
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| : Specifies the url of a file containing points of interest (POI) that should be overlaid on the map. See the file format description in [http://dev.openlayers.org/releases/OpenLayers-2.6/doc/apidocs/files/OpenLayers/Layer/Text-js.html]. Note: there is a bug that causes the last line of the poi file to be ignored; a workaround is to add a trailing line with a single '.' character.
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| ;poititle
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| : The title of the POI layer (default 'Points of interest').
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|
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| === Storing points of interest on a wiki page ===
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| Instead of uploading a file you can add the points of interest to a wiki page and link to the raw page text, for example:
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| : <code><nowiki>{{#widget:OpenStreetMap|...|poifile={{fullurl:Wiki page title|action=raw&templates=expand&ctype=text/plain}} }}</nowiki></code>
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| Note: If you change the contents of that wiki page you must [http://www.mediawiki.org/wiki/Manual:Purge purge the page cache] (for each page that uses it in a map) before you can see the change.
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|
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| ==== Overlay a path ====
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| You can draw paths using connected line segments. This is useful for showing routes. Each path should have a unique name. For the parameters described below the placeholder '<id>' should be replaced with the name of the path.
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|
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| ;path.<id>.title
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| : Gives a title to the overlay (default "Route")
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| ;path.<id>.point.lat
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| : Adds the latitude of a point to the path. You can specify this parameter many times to add all of the points to the path.
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| ;path.<id>.point.lon
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| : Adds the longitude of a point to the path. You must specify this parameter the same number of times as the 'lat' parameter.
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| ;path.<id>.colour
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| : Sets the colour to draw the path (default "#ffcc00")
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| ;path.<id>.opacity
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| : Sets the path opacity, in the range [0-1] (default 1)
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| ;path.<id>.width
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| : Sets the line width (default 5)
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|
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| ==== Javascript alternatives ====
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| These alternatives can be used to cater for browsers that do not support javascript.
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|
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| ;alt_image
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| : The url of an image to represent the map.
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| ;alt_text
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| : A description of the alt_image.
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|
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| == Example ==
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| {{#widget:OpenStreetMap|lat=52.94762|lon=-1.1467897|zoom=16}}
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|
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| [[Category:Help]]
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| </noinclude><includeonly><!--{counter name="openStreetMapDivID" assign="openStreetMapDivID"}--><div id="openStreetMap<!--{$openStreetMapDivID|escape:'html'}-->" style="width:<!--{$width|escape:'html'|default:'400px'}-->; height:<!--{$height|escape:'html'|default:'400px'}-->;"></div><!--{if $openStreetMapDivID == 1}--><script type="text/javascript" src="http://www.openlayers.org/api/OpenLayers.js"></script><!--{/if}--><script type="text/javascript">
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| (function (){
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| var lon = <!--{$lon|validate:float}-->;
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| var lat = <!--{$lat|validate:float}-->;
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| var zoom = <!--{$zoom|validate:int|default:15}-->;
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| var divID = 'openStreetMap<!--{$openStreetMapDivID|escape:'quotes'}-->';
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| var mapUnits = '<!--{$units|escape:'quotes'|default:'degrees'}-->';
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|
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| map = new OpenLayers.Map(divID, {units:mapUnits});
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| //map.addControl(new OpenLayers.Control.PanZoomBar());
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| //map.addControl(new OpenLayers.Control.MouseToolbar());
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| map.addControl(new OpenLayers.Control.LayerSwitcher({'ascending':false}));
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| //map.addControl(new OpenLayers.Control.Permalink());
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| //map.addControl(new OpenLayers.Control.Permalink('permalink'));
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| //map.addControl(new OpenLayers.Control.MousePosition());
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| //map.addControl(new OpenLayers.Control.OverviewMap());
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| //map.addControl(new OpenLayers.Control.KeyboardDefaults());
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| var mapnik = new OpenLayers.Layer.OSM();
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| map.addLayer(mapnik);
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|
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| // transform from WGS 1984 to Spherical Mercator projection
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| var epsg4326 = new OpenLayers.Projection('EPSG:4326');
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| var mpo = map.getProjectionObject();
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| var centerPt = new OpenLayers.LonLat(lon, lat).transform(epsg4326, mpo);
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|
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| <!--{if $showmarker eq 'true'}-->
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| var markers = new OpenLayers.Layer.Markers("Markers");
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| map.addLayer(markers);
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| markers.addMarker(new OpenLayers.Marker(centerPt));
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| <!--{/if}-->
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|
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| <!--{if (isset($poifile))}-->
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| var pois = new OpenLayers.Layer.Text(
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| '<!--{$poititle|escape:'quotes'|default:'Points of interest'}-->',
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| {
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| location:'<!--{$poifile|escape:'quotes'}-->',
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| projection:map.displayProjection
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| });
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| map.addLayer(pois);
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| <!--{/if}-->
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|
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|
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| map.setCenter(centerPt, zoom);
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| })();
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| </script><noscript><!--{if (isset($alt_image))}--><img src="<!--{$alt_image|escape:url}-->" alt="<!--{$alt_text|escape:html}-->" /><!--{/if}--><p>Please enable JavaScript to view the <a href="http://www.openstreetmap.org/">OpenStreetMap</a>.</p></noscript></includeonly>
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