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/*
* Maps for FMZ using Zurich council's WMTS tile server
*/
/*
* Copied from Mark/Matthew's demo of using Zurich's layers
* and merged with things that js/map-OpenLayers.js does
*/
function init_zurich_map(after) {
fixmystreet.map = new OpenLayers.Map('map', {
projection: new OpenLayers.Projection("EPSG:21781"),
displayProjection: new OpenLayers.Projection("EPSG:21781"),
maxExtent: new OpenLayers.Bounds(676000,241000,690000,255000),
//projection: new OpenLayers.Projection("EPSG:4326"),
//displayProjection: new OpenLayers.Projection("EPSG:4326"),
//maxExtent: new OpenLayers.Bounds(8.444933818976226,47.31509040172551,8.632922236617937,47.442777990747416),
units: 'm',
scales: [ '250000', '125000', '64000', '32000', '16000', '8000', '4000', '2000', '1000', '500'],
controls: fixmystreet.controls
});
var format = new OpenLayers.Format.WMTSCapabilities();
jQuery.support.cors = true;
jQuery.get("cobrands/zurich/Zurich-WMTSCapabilities.xml",
'',
function (data, textStatus, jqXHR) {
var layer, centre;
var capabilities = format.read(data);
layer = format.createLayer(capabilities, {
// Mark/Matthew's
layer: "Luftbild",
matrixSet: "default028mm",
//matrixSet: "nativeTileMatrixSet",
requestEncoding: "REST",
isBaseLayer: true,
// Things from the original map-OpenLayers.js
zoomOffset: fixmystreet.zoomOffset,
transitionEffect: 'resize',
numZoomLevels: fixmystreet.numZoomLevels
});
// For some reason with OpenLayers 2.11 the format
// returns a KVP url not a REST one, despite the settings
// we have above, so for now I'm hardcoding the right one
//layer.url = layer.url.replace('arcgis/rest/services/', '');
layer.url = "http://www.wmts.stadt-zuerich.ch/Luftbild/MapServer/WMTS/tile/";
fixmystreet.map.addLayer(layer);
centre = new OpenLayers.LonLat( fixmystreet.longitude, fixmystreet.latitude );
centre.transform(
new OpenLayers.Projection("EPSG:4326"),
fixmystreet.map.getProjectionObject()
);
fixmystreet.map.setCenter(centre, fixmystreet.zoom || 3);
// Call the after callback
after();
},
'xml');
}
/*
* set_map_config() is called on dom ready in map-OpenLayers.js
* to setup the way the map should operate.
*/
function set_map_config(perm) {
// This stuff is copied from js/map-bing-ol.js
var permalink_id;
if ($('#map_permalink').length) {
permalink_id = 'map_permalink';
}
var nav_opts = { zoomWheelEnabled: false };
if (fixmystreet.page == 'around' && $('html').hasClass('mobile')) {
nav_opts = {};
}
fixmystreet.nav_control = new OpenLayers.Control.Navigation(nav_opts);
fixmystreet.controls = [
new OpenLayers.Control.Attribution(),
new OpenLayers.Control.ArgParser(),
fixmystreet.nav_control,
new OpenLayers.Control.Permalink(permalink_id),
new OpenLayers.Control.PanZoomFMS({id: 'fms_pan_zoom' })
];
fixmystreet.map_type = OpenLayers.Layer.WMTS;
// Set DPI - default is 72
OpenLayers.DOTS_PER_INCH = 96;
// tell the main code to run our function instead
// of setting the map up itself
fixmystreet.map_setup = init_zurich_map;
// Give main code a new bbox_strategy that translates between
// lat/lon and our swiss coordinates
fixmystreet.bbox_strategy = new OpenLayers.Strategy.ZurichBBOX({ratio: 1});
}
OpenLayers.Strategy.ZurichBBOX = OpenLayers.Class(OpenLayers.Strategy.BBOX, {
getMapBounds: function() {
// Get the map bounds but return them in lat/lon, not
// Swiss coordinates
if (this.layer.map === null) {
return null;
}
var swissBounds = this.layer.map.getExtent();
// Transform bound corners into WGS84 - note x/y arrangement of
// values from the current bounding box, it seems wrong but is not.
var topLeft = OpenLayers.Projection.CH1903.projectInverseSwiss(
{y: swissBounds.left, x: swissBounds.top}
);
var bottomRight = OpenLayers.Projection.CH1903.projectInverseSwiss(
{y: swissBounds.right, x: swissBounds.bottom}
);
return new OpenLayers.Bounds(topLeft.x, bottomRight.y, bottomRight.x, topLeft.y);
},
CLASS_NAME: "OpenLayers.Strategy.ZurichBBOX"
});
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