X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/25885677e277cc5def58fdd31e83fb474a9565a3..ee1da786493f8e0ea330195e17361bcb4a97efb7:/public/javascripts/map.js?ds=sidebyside diff --git a/public/javascripts/map.js b/public/javascripts/map.js index 9a834593d..c2ddf9c39 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,14 +1,28 @@ +var epsg4326 = new OpenLayers.Projection("EPSG:4326"); var map; var markers; var popup; +var nonamekeys = { + 'openstreetmap.org': '2f59745a6b525b4ebdb100891d5b6711', + 'www.openstreetmap.org': 'fd093e52f0965d46bb1c6c6281022199', + 'openstreetmap.com': '4c60e7f5f31c576a9bb8da71c8d61152', + 'www.openstreetmap.com': '142f25a0770a51a9a400b3513834a199', + 'openstreetmap.net': '687c58fd1d715596bfc94abe653d8ac0', + 'www.openstreetmap.net': '0bd1654141c85d30b9c2ccdb5302f2e4' +}; + OpenLayers._getScriptLocation = function () { + // Should really have this file as an erb, so that this can return + // the real rails root return "/openlayers/"; } -function createMap(divName) { +function createMap(divName, options) { + options = options || {}; + map = new OpenLayers.Map(divName, { - controls: [ + controls: options.controls || [ new OpenLayers.Control.ArgParser(), new OpenLayers.Control.Attribution(), new OpenLayers.Control.LayerSwitcher(), @@ -16,7 +30,9 @@ function createMap(divName) { new OpenLayers.Control.PanZoomBar(), new OpenLayers.Control.ScaleLine() ], - units: "m" + units: "m", + maxResolution: 156543.0339, + numZoomLevels: 20 }); var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { @@ -31,6 +47,24 @@ function createMap(divName) { }); map.addLayer(osmarender); + var cyclemap = new OpenLayers.Layer.OSM.CycleMap("Cycle Map", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); + map.addLayer(cyclemap); + + var nonamekey = nonamekeys[document.domain]; + var noname = new OpenLayers.Layer.OSM("NoName", [ + "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/", + "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/", + "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/" + ], { + displayOutsideMaxExtent: true, + wrapDateLine: true, + numZoomLevels: 19 + }); + map.addLayer(noname); + var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", { displayOutsideMaxExtent: true, wrapDateLine: true @@ -60,7 +94,7 @@ function getArrowIcon() { } function addMarkerToMap(position, icon, description) { - var marker = new OpenLayers.Marker(position, icon); + var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon); markers.addMarker(marker); @@ -94,51 +128,64 @@ function removeMarkerFromMap(marker){ markers.removeMarker(marker); } -function getMapLayers() { - var layers = ""; +function getMapCenter(center, zoom) { + return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326); +} - for (var i=0; i< this.map.layers.length; i++) { - var layer = this.map.layers[i]; +function setMapCenter(center, zoom) { + map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom); +} - if (layer.isBaseLayer) { - layers += (layer == this.map.baseLayer) ? "B" : "0"; - } else { - layers += (layer.getVisibility()) ? "T" : "F"; - } - } +function setMapExtent(extent) { + map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); +} - return layers; +function getMapExtent(extent) { + return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); } -function setMapLayers(layers) { - for (var i=0; i < layers.length; i++) { - var layer = map.layers[i]; - var c = layers.charAt(i); +function getEventPosition(event) { + return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326); +} - if (c == "B") { - map.setBaseLayer(layer); - } else if ( (c == "T") || (c == "F") ) { - layer.setVisibility(c == "T"); - } +function getMapLayers() { + var layerConfig = ""; + + for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) { + layerConfig += layers[i] == map.baseLayer ? "B" : "0"; + } + + for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) { + layerConfig += layers[i].getVisibility() ? "T" : "F"; } + + return layerConfig; } -function mercatorToLonLat(merc) { - var lon = (merc.lon / 20037508.34) * 180; - var lat = (merc.lat / 20037508.34) * 180; +function setMapLayers(layerConfig) { + var l = 0; - lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2); + for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) { + var c = layerConfig.charAt(l++); - return new OpenLayers.LonLat(lon, lat); -} + if (c == "B") { + map.setBaseLayer(layers[i]); + } + } -function lonLatToMercator(ll) { - var lon = ll.lon * 20037508.34 / 180; - var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180); + while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") { + l++; + } - lat = lat * 20037508.34 / 180; + for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) { + var c = layerConfig.charAt(l++); - return new OpenLayers.LonLat(lon, lat); + if (c == "T") { + layers[i].setVisibility(true); + } else if(c == "F") { + layers[i].setVisibility(false); + } + } } function scaleToZoom(scale) {