X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/cbb7d974052c079dff81b70d40c0d134b14298ae..88105d9c643519e02082ba9cc5044bb0dfdcb7b9:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index 781ea5551..2bdba6229 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,61 +1,79 @@ +var epsg4326 = new OpenLayers.Projection("EPSG:4326"); var map; var markers; var popup; -function createMap(divName) { - OpenLayers.Util.onImageLoadError = function() { - this.src = OpenLayers.Util.getImagesLocation() + "404.png"; - } - - map = new OpenLayers.Map(divName, - { maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508), - numZoomLevels: 19, - maxResolution: 156543, - units: 'm', - projection: "EPSG:41001" }); +OpenLayers._getScriptLocation = function () { + return "/openlayers/"; +} - var mapnik = new OpenLayers.Layer.TMS("Mapnik", - "http://tile.openstreetmap.org/", - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); +function createMap(divName, options) { + options = options || {}; + + map = new OpenLayers.Map(divName, { + controls: options.controls || [ + new OpenLayers.Control.ArgParser(), + new OpenLayers.Control.Attribution(), + new OpenLayers.Control.LayerSwitcher(), + new OpenLayers.Control.Navigation(), + new OpenLayers.Control.PanZoomBar(), + new OpenLayers.Control.ScaleLine() + ], + units: "m", + maxResolution: 156543.0339, + numZoomLevels: 20 + }); + + var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); map.addLayer(mapnik); - var osmarender = new OpenLayers.Layer.TMS("Osmarender", - "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/", - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); + var osmarender = new OpenLayers.Layer.OSM.Osmarender("Osmarender", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); map.addLayer(osmarender); - markers = new OpenLayers.Layer.Markers("markers", { visibility: false }); + var cyclemap = new OpenLayers.Layer.OSM.CycleMap("Cycle Map", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); + map.addLayer(cyclemap); + + var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); + map.addLayer(maplint); + + var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels); + markers = new OpenLayers.Layer.Markers("Markers", { + displayInLayerSwitcher: false, + numZoomLevels: numZoomLevels, + maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508), + maxResolution: 156543, + units: "m", + projection: "EPSG:900913" + }); map.addLayer(markers); - map.addControl(new OpenLayers.Control.LayerSwitcher()); - return map; } -function getTileURL(bounds) { - var res = this.map.getResolution(); - var x = Math.round((bounds.left - this.maxExtent.left) / (res * this.tileSize.w)); - var y = Math.round((this.maxExtent.top - bounds.top) / (res * this.tileSize.h)); - var z = this.map.getZoom(); - var limit = Math.pow(2, z); +function getArrowIcon() { + var size = new OpenLayers.Size(25, 22); + var offset = new OpenLayers.Pixel(-30, -27); + var icon = new OpenLayers.Icon("/images/arrow.png", size, offset); - if (y < 0 || y >= limit) - { - return null; - } - else - { - x = ((x % limit) + limit) % limit; - - return this.url + z + "/" + x + "/" + y + "." + this.type; - } + return icon; } 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); - markers.setVisibility(true); if (description) { marker.events.register("click", marker, function() { openMapPopup(marker, description) }); @@ -65,19 +83,12 @@ function addMarkerToMap(position, icon, description) { } function openMapPopup(marker, description) { -// var box = document.createElement("div"); -// box.innerHTML = description; -// box.style.display = 'none'; -// box.style.width = "200px"; -// document.body.appendChild(box); - closeMapPopup(); - popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, - new OpenLayers.Size(200, 50), - "

" + description + "

", - marker.icon, true); + popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, null, + description, marker.icon, true); popup.setBackgroundColor("#E3FFC5"); + popup.autoSize = true; map.addPopup(popup); return popup; @@ -94,51 +105,60 @@ 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); + layers[i].setVisibility(c == "T"); + } } function scaleToZoom(scale) {