diff options
author | Matthew Somerville <matthew@balti.ukcod.org.uk> | 2010-11-26 01:49:02 +0000 |
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committer | Matthew Somerville <matthew@balti.ukcod.org.uk> | 2010-11-26 01:49:02 +0000 |
commit | 92c0661cf40f9a8e39613784703bb6b2b9ac8a49 (patch) | |
tree | 75f5c3c1e910a5042e0a31b6ad6cece8dae26a43 /web/js/map-OpenStreetMap.js | |
parent | a17e62af230c2d9aa2fe49d22be990525950c01e (diff) |
Some OpenLayers options, including StreetView and CycleMap, and putting tilma within OL.
Diffstat (limited to 'web/js/map-OpenStreetMap.js')
-rw-r--r-- | web/js/map-OpenStreetMap.js | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/web/js/map-OpenStreetMap.js b/web/js/map-OpenStreetMap.js new file mode 100644 index 000000000..04237e075 --- /dev/null +++ b/web/js/map-OpenStreetMap.js @@ -0,0 +1,150 @@ +YAHOO.util.Event.onContentReady('map', function() { + var map = new OpenLayers.Map("map", { + controls: [ + new OpenLayers.Control.ArgParser(), + //new OpenLayers.Control.LayerSwitcher(), + new OpenLayers.Control.Navigation(), + new OpenLayers.Control.PanZoom() + ], + displayProjection: new OpenLayers.Projection("EPSG:4326") + }); + var streetview = new fixmystreet.map_type("", { + zoomOffset: 14, + numZoomLevels: 4 + }); + map.addLayer(streetview); + + var centre = new OpenLayers.LonLat( fixmystreet.easting, fixmystreet.northing ); + centre.transform( + new OpenLayers.Projection("EPSG:27700"), + map.getProjectionObject() + ); + map.setCenter(centre, 2); +}); + + +// http://www.openstreetmap.org/openlayers/OpenStreetMap.js (added maxResolution) + +/** + * Namespace: Util.OSM + */ +OpenLayers.Util.OSM = {}; + +/** + * Constant: MISSING_TILE_URL + * {String} URL of image to display for missing tiles + */ +OpenLayers.Util.OSM.MISSING_TILE_URL = "http://www.openstreetmap.org/openlayers/img/404.png"; + +/** + * Property: originalOnImageLoadError + * {Function} Original onImageLoadError function. + */ +OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError; + +/** + * Function: onImageLoadError + */ +OpenLayers.Util.onImageLoadError = function() { + if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) { + this.src = OpenLayers.Util.OSM.MISSING_TILE_URL; + } else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) { + // do nothing - this layer is transparent + } else { + OpenLayers.Util.OSM.originalOnImageLoadError; + } +}; + +/** + * Class: OpenLayers.Layer.OSM.Mapnik + * + * Inherits from: + * - <OpenLayers.Layer.OSM> + */ +OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, { + /** + * Constructor: OpenLayers.Layer.OSM.Mapnik + * + * Parameters: + * name - {String} + * options - {Object} Hashtable of extra options to tag onto the layer + */ + initialize: function(name, options) { + var url = [ + "http://a.tile.openstreetmap.org/${z}/${x}/${y}.png", + "http://b.tile.openstreetmap.org/${z}/${x}/${y}.png", + "http://c.tile.openstreetmap.org/${z}/${x}/${y}.png" + ]; + options = OpenLayers.Util.extend({ + /* Below line added to OSM's file in order to allow minimum zoom level */ + maxResolution: 156543.0339/Math.pow(2, options.zoomOffset || 0), + numZoomLevels: 19, + buffer: 0 + }, options); + var newArguments = [name, url, options]; + OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); + }, + + CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik" +}); + +/** + * Class: OpenLayers.Layer.OSM.Osmarender + * + * Inherits from: + * - <OpenLayers.Layer.OSM> + */ +OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, { + /** + * Constructor: OpenLayers.Layer.OSM.Osmarender + * + * Parameters: + * name - {String} + * options - {Object} Hashtable of extra options to tag onto the layer + */ + initialize: function(name, options) { + var url = [ + "http://a.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png", + "http://b.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png", + "http://c.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png" + ]; + options = OpenLayers.Util.extend({ numZoomLevels: 18, buffer: 0 }, options); + var newArguments = [name, url, options]; + OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); + }, + + CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender" +}); + +/** + * Class: OpenLayers.Layer.OSM.CycleMap + * + * Inherits from: + * - <OpenLayers.Layer.OSM> + */ +OpenLayers.Layer.OSM.CycleMap = OpenLayers.Class(OpenLayers.Layer.OSM, { + /** + * Constructor: OpenLayers.Layer.OSM.CycleMap + * + * Parameters: + * name - {String} + * options - {Object} Hashtable of extra options to tag onto the layer + */ + initialize: function(name, options) { + var url = [ + "http://a.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png", + "http://b.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png", + "http://c.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png" + ]; + options = OpenLayers.Util.extend({ + /* Below line added to OSM's file in order to allow minimum zoom level */ + maxResolution: 156543.0339/Math.pow(2, options.zoomOffset || 0), + numZoomLevels: 19, + buffer: 0 + }, options); + var newArguments = [name, url, options]; + OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments); + }, + + CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap" +}); |