405 lines
12 KiB
JavaScript
405 lines
12 KiB
JavaScript
goog.provide('ol.format.WMTSCapabilities');
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goog.require('goog.asserts');
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goog.require('goog.dom.NodeType');
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goog.require('ol.extent');
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goog.require('ol.format.OWS');
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goog.require('ol.format.XLink');
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goog.require('ol.format.XML');
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goog.require('ol.format.XSD');
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goog.require('ol.xml');
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/**
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* @classdesc
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* Format for reading WMTS capabilities data.
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*
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* @constructor
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* @extends {ol.format.XML}
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* @api
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*/
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ol.format.WMTSCapabilities = function() {
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goog.base(this);
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/**
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* @type {ol.format.OWS}
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* @private
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*/
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this.owsParser_ = new ol.format.OWS();
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};
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goog.inherits(ol.format.WMTSCapabilities, ol.format.XML);
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/**
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* Read a WMTS capabilities document.
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*
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* @function
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* @param {Document|Node|string} source The XML source.
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* @return {Object} An object representing the WMTS capabilities.
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* @api
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*/
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ol.format.WMTSCapabilities.prototype.read;
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/**
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* @param {Document} doc Document.
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* @return {Object} WMTS Capability object.
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*/
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ol.format.WMTSCapabilities.prototype.readFromDocument = function(doc) {
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goog.asserts.assert(doc.nodeType == goog.dom.NodeType.DOCUMENT,
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'doc.nodeType should be DOCUMENT');
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for (var n = doc.firstChild; n; n = n.nextSibling) {
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if (n.nodeType == goog.dom.NodeType.ELEMENT) {
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return this.readFromNode(n);
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}
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}
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return null;
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};
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/**
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* @param {Node} node Node.
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* @return {Object} WMTS Capability object.
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*/
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ol.format.WMTSCapabilities.prototype.readFromNode = function(node) {
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goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT,
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'node.nodeType should be ELEMENT');
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goog.asserts.assert(node.localName == 'Capabilities',
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'localName should be Capabilities');
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this.version = node.getAttribute('version').trim();
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goog.asserts.assertString(this.version, 'this.version should be a string');
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var WMTSCapabilityObject = this.owsParser_.readFromNode(node);
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if (!WMTSCapabilityObject) {
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return null;
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}
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WMTSCapabilityObject['version'] = this.version;
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WMTSCapabilityObject = ol.xml.pushParseAndPop(WMTSCapabilityObject,
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ol.format.WMTSCapabilities.PARSERS_, node, []);
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return WMTSCapabilityObject ? WMTSCapabilityObject : null;
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Attribution object.
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*/
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ol.format.WMTSCapabilities.readContents_ = function(node, objectStack) {
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goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT,
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'node.nodeType should be ELEMENT');
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goog.asserts.assert(node.localName == 'Contents',
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'localName should be Contents');
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return ol.xml.pushParseAndPop({},
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ol.format.WMTSCapabilities.CONTENTS_PARSERS_, node, objectStack);
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Layers object.
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*/
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ol.format.WMTSCapabilities.readLayer_ = function(node, objectStack) {
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goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT,
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'node.nodeType should be ELEMENT');
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goog.asserts.assert(node.localName == 'Layer', 'localName should be Layer');
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return ol.xml.pushParseAndPop({},
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ol.format.WMTSCapabilities.LAYER_PARSERS_, node, objectStack);
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Tile Matrix Set object.
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*/
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ol.format.WMTSCapabilities.readTileMatrixSet_ = function(node, objectStack) {
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return ol.xml.pushParseAndPop({},
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ol.format.WMTSCapabilities.TMS_PARSERS_, node, objectStack);
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Style object.
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*/
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ol.format.WMTSCapabilities.readStyle_ = function(node, objectStack) {
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var style = ol.xml.pushParseAndPop({},
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ol.format.WMTSCapabilities.STYLE_PARSERS_, node, objectStack);
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if (!style) {
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return undefined;
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}
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var isDefault = node.getAttribute('isDefault') === 'true';
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style['isDefault'] = isDefault;
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return style;
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Tile Matrix Set Link object.
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*/
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ol.format.WMTSCapabilities.readTileMatrixSetLink_ = function(node,
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objectStack) {
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return ol.xml.pushParseAndPop({},
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ol.format.WMTSCapabilities.TMS_LINKS_PARSERS_, node, objectStack);
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Resource URL object.
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*/
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ol.format.WMTSCapabilities.readResourceUrl_ = function(node, objectStack) {
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var format = node.getAttribute('format');
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var template = node.getAttribute('template');
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var resourceType = node.getAttribute('resourceType');
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var resource = {};
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if (format) {
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resource['format'] = format;
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}
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if (template) {
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resource['template'] = template;
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}
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if (resourceType) {
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resource['resourceType'] = resourceType;
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}
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return resource;
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} WGS84 BBox object.
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*/
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ol.format.WMTSCapabilities.readWgs84BoundingBox_ = function(node, objectStack) {
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var coordinates = ol.xml.pushParseAndPop([],
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ol.format.WMTSCapabilities.WGS84_BBOX_READERS_, node, objectStack);
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if (coordinates.length != 2) {
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return undefined;
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}
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return ol.extent.boundingExtent(coordinates);
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Legend object.
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*/
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ol.format.WMTSCapabilities.readLegendUrl_ = function(node, objectStack) {
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var legend = {};
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legend['format'] = node.getAttribute('format');
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legend['href'] = ol.format.XLink.readHref(node);
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return legend;
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} Coordinates object.
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*/
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ol.format.WMTSCapabilities.readCoordinates_ = function(node, objectStack) {
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var coordinates = ol.format.XSD.readString(node).split(' ');
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if (!coordinates || coordinates.length != 2) {
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return undefined;
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}
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var x = +coordinates[0];
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var y = +coordinates[1];
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if (isNaN(x) || isNaN(y)) {
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return undefined;
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}
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return [x, y];
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};
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/**
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* @private
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* @param {Node} node Node.
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* @param {Array.<*>} objectStack Object stack.
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* @return {Object|undefined} TileMatrix object.
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*/
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ol.format.WMTSCapabilities.readTileMatrix_ = function(node, objectStack) {
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return ol.xml.pushParseAndPop({},
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ol.format.WMTSCapabilities.TM_PARSERS_, node, objectStack);
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};
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/**
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* @const
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* @private
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* @type {Array.<string>}
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*/
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ol.format.WMTSCapabilities.NAMESPACE_URIS_ = [
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null,
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'http://www.opengis.net/wmts/1.0'
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];
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/**
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* @const
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* @private
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* @type {Array.<string>}
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*/
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ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_ = [
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null,
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'http://www.opengis.net/ows/1.1'
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];
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'Contents': ol.xml.makeObjectPropertySetter(
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ol.format.WMTSCapabilities.readContents_)
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});
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.CONTENTS_PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'Layer': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readLayer_),
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'TileMatrixSet': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readTileMatrixSet_)
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});
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.LAYER_PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'Style': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readStyle_),
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'Format': ol.xml.makeObjectPropertyPusher(
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ol.format.XSD.readString),
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'TileMatrixSetLink': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readTileMatrixSetLink_),
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'ResourceURL': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readResourceUrl_)
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}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
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'Title': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString),
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'Abstract': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString),
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'WGS84BoundingBox': ol.xml.makeObjectPropertySetter(
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ol.format.WMTSCapabilities.readWgs84BoundingBox_),
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'Identifier': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString)
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}));
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.STYLE_PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'LegendURL': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readLegendUrl_)
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}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
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'Title': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString),
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'Identifier': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString)
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}));
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.TMS_LINKS_PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'TileMatrixSet': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString)
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});
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.WGS84_BBOX_READERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
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'LowerCorner': ol.xml.makeArrayPusher(
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ol.format.WMTSCapabilities.readCoordinates_),
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'UpperCorner': ol.xml.makeArrayPusher(
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ol.format.WMTSCapabilities.readCoordinates_)
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});
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.TMS_PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'WellKnownScaleSet': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString),
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'TileMatrix': ol.xml.makeObjectPropertyPusher(
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ol.format.WMTSCapabilities.readTileMatrix_)
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}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
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'SupportedCRS': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString),
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'Identifier': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString)
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}));
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/**
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* @const
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* @type {Object.<string, Object.<string, ol.xml.Parser>>}
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* @private
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*/
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ol.format.WMTSCapabilities.TM_PARSERS_ = ol.xml.makeStructureNS(
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ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
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'TopLeftCorner': ol.xml.makeObjectPropertySetter(
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ol.format.WMTSCapabilities.readCoordinates_),
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'ScaleDenominator': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readDecimal),
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'TileWidth': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readNonNegativeInteger),
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'TileHeight': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readNonNegativeInteger),
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'MatrixWidth': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readNonNegativeInteger),
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'MatrixHeight': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readNonNegativeInteger)
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}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
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'Identifier': ol.xml.makeObjectPropertySetter(
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ol.format.XSD.readString)
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}));
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