//開啟OpenLayer範例： http://openlayers.org/en/v3.20.1/examples/wmts.html?q=WMTS
//先將地圖移至台灣範圍
//直接以F12 Console模式輸入下列程式
	
	myMatrixIds = ['MAP3857_0', 'MAP3857_1', 'MAP3857_2', 'MAP3857_3', 'MAP3857_4', 'MAP3857_5', 'MAP3857_6', 'MAP3857_7', 'MAP3857_8', 'MAP3857_9', 'MAP3857_10', 'MAP3857_11', 'MAP3857_12', 'MAP3857_13', 'MAP3857_14', 'MAP3857_15', 'MAP3857_16', 'MAP3857_17', 'MAP3857_18', 'MAP3857_19', 'MAP3857_20', 'MAP3857_21'];
	myResolutions = [156543.03392804097, 78271.51696402048, 39135.75848201024, 19567.87924100512, 9783.93962050256, 4891.96981025128, 2445.98490512564, 1222.99245256282, 611.49622628141, 305.748113140705, 152.8740565703525, 76.43702828517625, 38.21851414258813, 19.109257071294063,9.55462853564703,4.777314267823515,2.388657133911758,1.194328566955879, 0.5971642834779394, 0.2985821417389697, 0.1492910708694848, 0.0746455354347424];
	var  bb=  new ol.layer.Tile({
	  opacity: 1,
	  source: new ol.source.WMTS({
		//APIKEY請換為自己的
		url: 'http://giscloud.taichung.gov.tw/embedmap/wmtsproxy/2644E48BC1C333BA61F74FEBED9819C2385E78E4CE6FD30D8DBFDC02980E0A3FEED2F902EB5589FE48843C6118139D8D',
		layer: 'TC:ORTHO',
		matrixSet: 'MAP3857',
		format: 'image/png',
		projection: projection,
		tileGrid: new ol.tilegrid.WMTS({
		  origin: ol.extent.getTopLeft(projectionExtent),
		  resolutions: myResolutions,
		  matrixIds: myMatrixIds
		}),
		wrapX: true
	  })
	});
	map.addLayer(bb);