X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/2804e77cc373f76ab298c4f429fd958cdf983088..a31e61169ce6c258d2056075ce0377bac2461ca7:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index c9e9b504c..abbc7f8ea 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -2,59 +2,47 @@ var map; var markers; var popup; -function createMap(divName, centre, zoom) { - 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/"; +} + +function createMap(divName) { + map = new OpenLayers.Map(divName); - var mapnik = new OpenLayers.Layer.TMS("Mapnik", - "http://tile.openstreetmap.org/", - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); + var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { displayOutsideMaxExtent: 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 }); map.addLayer(osmarender); + var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", { displayOutsideMaxExtent: 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:41001" + }); + map.addLayer(markers); + map.addControl(new OpenLayers.Control.LayerSwitcher()); - map.setCenter(centre, zoom); + map.addControl(new OpenLayers.Control.KeyboardDefaults()); 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); - - if (y < 0 || y >= limit) - { - return null; - } - else - { - x = ((x % limit) + limit) % limit; +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); - return this.url + z + "/" + x + "/" + y + "." + this.type; - } + return icon; } function addMarkerToMap(position, icon, description) { - if (markers == null) { - markers = new OpenLayers.Layer.Markers("markers"); - map.addLayer(markers); - } - var marker = new OpenLayers.Marker(position, icon); markers.addMarker(marker); @@ -67,17 +55,11 @@ 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 + "

", + sizeMapPopup(description), + "

" + description + "

", marker.icon, true); popup.setBackgroundColor("#E3FFC5"); map.addPopup(popup); @@ -92,23 +74,72 @@ function closeMapPopup() { } } +function sizeMapPopup(text) { + var box = document.createElement("div"); + + box.innerHTML = text; + box.style.visibility = "hidden"; + box.style.position = "absolute"; + box.style.top = "0px"; + box.style.left = "0px"; + box.style.width = "200px"; + box.style.height = "auto"; + + document.body.appendChild(box); + + var width = box.offsetWidth; + var height = box.offsetHeight; + + document.body.removeChild(box); + + return new OpenLayers.Size(width + 30, height + 24); +} + function removeMarkerFromMap(marker){ markers.removeMarker(marker); } +function getMapLayers() { + var layers = ""; + + for (var i=0; i< this.map.layers.length; i++) { + var layer = this.map.layers[i]; + + if (layer.isBaseLayer) { + layers += (layer == this.map.baseLayer) ? "B" : "0"; + } else { + layers += (layer.getVisibility()) ? "T" : "F"; + } + } + + return layers; +} + +function setMapLayers(layers) { + for (var i=0; i < layers.length; i++) { + var layer = map.layers[i]; + var c = layers.charAt(i); + + if (c == "B") { + map.setBaseLayer(layer); + } else if ( (c == "T") || (c == "F") ) { + layer.setVisibility(c == "T"); + } + } +} + function mercatorToLonLat(merc) { var lon = (merc.lon / 20037508.34) * 180; var lat = (merc.lat / 20037508.34) * 180; - var PI = 3.14159265358979323846; - lat = 180/PI * (2 * Math.atan(Math.exp(lat * PI / 180)) - PI / 2); + lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2); return new OpenLayers.LonLat(lon, lat); } function lonLatToMercator(ll) { var lon = ll.lon * 20037508.34 / 180; - var lat = Math.log(Math.tan((90 + ll.lat) * PI / 360)) / (PI / 180); + var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180); lat = lat * 20037508.34 / 180;