Function without OpenLayers
Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
This commit is contained in:
Madhura Jayaratne
parent
4a0b34b438
commit
82e9e60cd5
@ -1,126 +1,129 @@
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Namespace: Util.OSM
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*/
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OpenLayers.Util.OSM = {};
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/**
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* Constant: MISSING_TILE_URL
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* {String} URL of image to display for missing tiles
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*/
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OpenLayers.Util.OSM.MISSING_TILE_URL = "http://www.openstreetmap.org/openlayers/img/404.png";
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/**
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* Property: originalOnImageLoadError
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* {Function} Original onImageLoadError function.
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*/
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OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
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/**
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* Function: onImageLoadError
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*/
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OpenLayers.Util.onImageLoadError = function () {
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if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) {
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this.src = OpenLayers.Util.OSM.MISSING_TILE_URL;
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} else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) {
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// do nothing - this layer is transparent
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} else {
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OpenLayers.Util.OSM.originalOnImageLoadError;
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}
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};
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/**
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* Class: OpenLayers.Layer.OSM.Mapnik
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
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if (typeof OpenLayers !== 'undefined') {
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/**
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* Constructor: OpenLayers.Layer.OSM.Mapnik
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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* Namespace: Util.OSM
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*/
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initialize: function (name, options) {
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var url = [
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"http://a.tile.openstreetmap.org/${z}/${x}/${y}.png",
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"http://b.tile.openstreetmap.org/${z}/${x}/${y}.png",
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"http://c.tile.openstreetmap.org/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({
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numZoomLevels: 19,
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buffer: 0,
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transitionEffect: "resize"
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}, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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OpenLayers.Util.OSM = {};
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CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik"
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});
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/**
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* Class: OpenLayers.Layer.OSM.Osmarender
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.Osmarender
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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* Constant: MISSING_TILE_URL
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* {String} URL of image to display for missing tiles
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*/
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initialize: function (name, options) {
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var url = [
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"http://a.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
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"http://b.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
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"http://c.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({
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numZoomLevels: 18,
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buffer: 0,
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transitionEffect: "resize"
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}, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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OpenLayers.Util.OSM.MISSING_TILE_URL = "http://www.openstreetmap.org/openlayers/img/404.png";
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CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender"
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});
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/**
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* Class: OpenLayers.Layer.OSM.CycleMap
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.CycleMap = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.CycleMap
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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* Property: originalOnImageLoadError
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* {Function} Original onImageLoadError function.
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*/
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initialize: function (name, options) {
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var url = [
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"http://a.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
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"http://b.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
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"http://c.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({
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numZoomLevels: 19,
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buffer: 0,
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transitionEffect: "resize"
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}, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
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CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap"
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});
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/**
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* Function: onImageLoadError
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*/
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OpenLayers.Util.onImageLoadError = function () {
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if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) {
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this.src = OpenLayers.Util.OSM.MISSING_TILE_URL;
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} else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) {
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// do nothing - this layer is transparent
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} else {
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OpenLayers.Util.OSM.originalOnImageLoadError;
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}
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};
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/**
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* Class: OpenLayers.Layer.OSM.Mapnik
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Mapnik = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.Mapnik
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function (name, options) {
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var url = [
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"http://a.tile.openstreetmap.org/${z}/${x}/${y}.png",
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"http://b.tile.openstreetmap.org/${z}/${x}/${y}.png",
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"http://c.tile.openstreetmap.org/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({
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numZoomLevels: 19,
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buffer: 0,
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transitionEffect: "resize"
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}, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.Mapnik"
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});
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/**
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* Class: OpenLayers.Layer.OSM.Osmarender
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.Osmarender = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.Osmarender
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function (name, options) {
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var url = [
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"http://a.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
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"http://b.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png",
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"http://c.tah.openstreetmap.org/Tiles/tile/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({
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numZoomLevels: 18,
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buffer: 0,
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transitionEffect: "resize"
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}, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.Osmarender"
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});
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/**
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* Class: OpenLayers.Layer.OSM.CycleMap
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*
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* Inherits from:
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* - <OpenLayers.Layer.OSM>
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*/
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OpenLayers.Layer.OSM.CycleMap = OpenLayers.Class(OpenLayers.Layer.OSM, {
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/**
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* Constructor: OpenLayers.Layer.OSM.CycleMap
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*
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* Parameters:
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* name - {String}
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* options - {Object} Hashtable of extra options to tag onto the layer
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*/
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initialize: function (name, options) {
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var url = [
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"http://a.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
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"http://b.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
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"http://c.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png"
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];
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options = OpenLayers.Util.extend({
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numZoomLevels: 19,
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buffer: 0,
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transitionEffect: "resize"
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}, options);
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var newArguments = [name, url, options];
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OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
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},
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CLASS_NAME: "OpenLayers.Layer.OSM.CycleMap"
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});
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}
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@ -148,10 +148,12 @@ function initGISVisualization() {
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selectVisualization();
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// Resizes the GIS visualization to fit into the space available
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resizeGISVisualization();
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// Adds necessary styles to the div that coontains the openStreetMap
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styleOSM();
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// Draws openStreetMap with openLayers
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drawOpenLayers();
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if (typeof OpenLayers !== 'undefined') {
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// Adds necessary styles to the div that coontains the openStreetMap
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styleOSM();
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// Draws openStreetMap with openLayers
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drawOpenLayers();
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}
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// Loads the SVG element and make a reference to it
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loadSVG();
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// Adds controllers for zooming and panning
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