cst1/openstreetmap-website
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Move scale/resolution configuration to the base layers so that

Browse source 
people dragging in our customer layers don't need to worry about
setting the magic numbers.
This commit is contained in:
Tom Hughes 2007-12-06 14:18:30 +00:00
parent 3ed64ceb54
commit 7ee377352e
2 changed files with 24 additions and 22 deletions
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6
public/javascripts/map.js
View file

@ -3,11 +3,7 @@ var markers;
var popup;
function createMap(divName) {
map = new OpenLayers.Map(divName,
{ maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
maxResolution: 156543,
units: 'm',
projection: "EPSG:41001" });
map = new OpenLayers.Map(divName);
var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { displayOutsideMaxExtent: true });
map.addLayer(mapnik);

40
public/openlayers/OpenStreetMap.js
View file

@ -16,7 +16,7 @@ OpenLayers.Util.OSM.MISSING_TILE_URL = "http://openstreetmap.org/openlayers/img/
OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
/**
* Function: onImageLoadError
* Function: onImageLoadError
*/
OpenLayers.Util.onImageLoadError = function() {
if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org/)) {
@ -28,35 +28,41 @@ OpenLayers.Util.onImageLoadError = function() {
/**
* @requires OpenLayers/Layer/TMS.js
*
*
* Class: OpenLayers.Layer.OSM
*
*
* Inherits from:
* - <OpenLayers.Layer.TMS>
*/
OpenLayers.Layer.OSM = OpenLayers.Class(OpenLayers.Layer.TMS, {
/**
* Constructor: OpenLayers.Layer.OSM
*
*
* Parameters:
* name - {String}
* url - {String}
* options - {Object} Hashtable of extra options to tag onto the layer
*/
initialize: function(name, url, options) {
options = OpenLayers.Util.extend(options, { attribution: "Data by <a href='http://openstreetmap.org/'>OpenStreetMap</a>" });
options = OpenLayers.Util.extend(options, {
attribution: "Data by <a href='http://openstreetmap.org/'>OpenStreetMap</a>",
maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508),
maxResolution: 156543,
units: "m",
projection: "EPSG:41001"
});
OpenLayers.Layer.TMS.prototype.initialize.apply(this, arguments);
},
},
/**
* Method: getUrl
*
*
* Parameters:
* bounds - {<OpenLayers.Bounds>}
*
*
* Returns:
* {String} A string with the layer's url and parameters and also the
* passed-in bounds and appropriate tile size specified as
* {String} A string with the layer's url and parameters and also the
* passed-in bounds and appropriate tile size specified as
* parameters
*/
getURL: function (bounds) {
@ -91,14 +97,14 @@ OpenLayers.Layer.OSM = OpenLayers.Class(OpenLayers.Layer.TMS, {
/**
* 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
@ -112,21 +118,21 @@ OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
options = OpenLayers.Util.extend(options, { numZoomLevels: 19 });
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
@ -140,7 +146,7 @@ OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
options = OpenLayers.Util.extend(options, { numZoomLevels: 18 });
var newArguments = [name, url, options];
OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
},
},
CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender"
});