1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for * full list of contributors). Published under the Clear BSD license. * See http://svn.openlayers.org/trunk/openlayers/license.txt for the * full text of the license. */ /** * @requires OpenLayers/Layer/EventPane.js * @requires OpenLayers/Layer/FixedZoomLevels.js */ /** * Class: OpenLayers.Layer.MultiMap * Note that MultiMap does not fully support the sphericalMercator * option. See Ticket #953 for more details. * * Inherits from: * - <OpenLayers.Layer.EventPane> * - <OpenLayers.Layer.FixedZoomLevels> */ OpenLayers.Layer.MultiMap = OpenLayers.Class( OpenLayers.Layer.EventPane, OpenLayers.Layer.FixedZoomLevels, { /** * Constant: MIN_ZOOM_LEVEL * {Integer} 1 */ MIN_ZOOM_LEVEL: 1, /** * Constant: MAX_ZOOM_LEVEL * {Integer} 17 */ MAX_ZOOM_LEVEL: 17, /** * Constant: RESOLUTIONS * {Array(Float)} Hardcode these resolutions so that they are more closely * tied with the standard wms projection */ RESOLUTIONS: [ 9, 1.40625, 0.703125, 0.3515625, 0.17578125, 0.087890625, 0.0439453125, 0.02197265625, 0.010986328125, 0.0054931640625, 0.00274658203125, 0.001373291015625, 0.0006866455078125, 0.00034332275390625, 0.000171661376953125, 0.0000858306884765625, 0.00004291534423828125 ], /** * APIProperty: type * {?} */ type: null, /** * Constructor: OpenLayers.Layer.MultiMap * * Parameters: * name - {String} * options - {Object} */ initialize: function(name, options) { OpenLayers.Layer.EventPane.prototype.initialize.apply(this, arguments); OpenLayers.Layer.FixedZoomLevels.prototype.initialize.apply(this, arguments); if (this.sphericalMercator) { OpenLayers.Util.extend(this, OpenLayers.Layer.SphericalMercator); this.initMercatorParameters(); this.RESOLUTIONS.unshift(10); } }, /** * Method: loadMapObject */ loadMapObject:function() { try { //crash proofing this.mapObject = new MultimapViewer(this.div); } catch (e) { } }, /** * APIMethod: getWarningHTML * * Returns: * {String} String with information on why layer is broken, how to get * it working. */ getWarningHTML:function() { return OpenLayers.i18n( "getLayerWarning", {'layerType':"MM", 'layerLib':"MultiMap"} ); }, /************************************ * * * MapObject Interface Controls * * * ************************************/ // Get&Set Center, Zoom /** * APIMethod: setMapObjectCenter * Set the mapObject to the specified center and zoom * * Parameters: * center - {Object} MapObject LonLat format * zoom - {int} MapObject zoom format */ setMapObjectCenter: function(center, zoom) { this.mapObject.goToPosition(center, zoom); }, /** * APIMethod: getMapObjectCenter * * Returns: * {Object} The mapObject's current center in Map Object format */ getMapObjectCenter: function() { return this.mapObject.getCurrentPosition(); }, /** * APIMethod: getMapObjectZoom * * Returns: * {Integer} The mapObject's current zoom, in Map Object format */ getMapObjectZoom: function() { return this.mapObject.getZoomFactor(); }, // LonLat - Pixel Translation /** * APIMethod: getMapObjectLonLatFromMapObjectPixel * * Parameters: * moPixel - {Object} MapObject Pixel format * * Returns: * {Object} MapObject LonLat translated from MapObject Pixel */ getMapObjectLonLatFromMapObjectPixel: function(moPixel) { moPixel.x = moPixel.x - (this.map.getSize().w/2); moPixel.y = moPixel.y - (this.map.getSize().h/2); return this.mapObject.getMapPositionAt(moPixel); }, /** * APIMethod: getMapObjectPixelFromMapObjectLonLat * * Parameters: * moLonLat - {Object} MapObject LonLat format * * Returns: * {Object} MapObject Pixel transtlated from MapObject LonLat */ getMapObjectPixelFromMapObjectLonLat: function(moLonLat) { return this.mapObject.geoPosToContainerPixels(moLonLat); }, /************************************ * * * MapObject Primitives * * * ************************************/ // LonLat /** * APIMethod: getLongitudeFromMapObjectLonLat * * Parameters: * moLonLat - {Object} MapObject LonLat format * * Returns: * {Float} Longitude of the given MapObject LonLat */ getLongitudeFromMapObjectLonLat: function(moLonLat) { return this.sphericalMercator ? this.forwardMercator(moLonLat.lon, moLonLat.lat).lon : moLonLat.lon; }, /** * APIMethod: getLatitudeFromMapObjectLonLat * * Parameters: * moLonLat - {Object} MapObject LonLat format * * Returns: * {Float} Latitude of the given MapObject LonLat */ getLatitudeFromMapObjectLonLat: function(moLonLat) { return this.sphericalMercator ? this.forwardMercator(moLonLat.lon, moLonLat.lat).lat : moLonLat.lat; }, /** * APIMethod: getMapObjectLonLatFromLonLat * * Parameters: * lon - {Float} * lat - {Float} * * Returns: * {Object} MapObject LonLat built from lon and lat params */ getMapObjectLonLatFromLonLat: function(lon, lat) { var mmLatLon; if(this.sphericalMercator) { var lonlat = this.inverseMercator(lon, lat); mmLatLon = new MMLatLon(lonlat.lat, lonlat.lon); } else { mmLatLon = new MMLatLon(lat, lon); } return mmLatLon; }, // Pixel /** * APIMethod: getXFromMapObjectPixel * * Parameters: * moPixel - {Object} MapObject Pixel format * * Returns: * {Integer} X value of the MapObject Pixel */ getXFromMapObjectPixel: function(moPixel) { return moPixel.x; }, /** * APIMethod: getYFromMapObjectPixel * * Parameters: * moPixel - {Object} MapObject Pixel format * * Returns: * {Integer} Y value of the MapObject Pixel */ getYFromMapObjectPixel: function(moPixel) { return moPixel.y; }, /** * APIMethod: getMapObjectPixelFromXY * * Parameters: * x - {Integer} * y - {Integer} * * Returns: * {Object} MapObject Pixel from x and y parameters */ getMapObjectPixelFromXY: function(x, y) { return new MMPoint(x, y); }, CLASS_NAME: "OpenLayers.Layer.MultiMap" }); |