var Bbox_width= 18.99-5.93;
var startResolution = Bbox_width/1024;
var grid_resolution = new Array(22);
for (var i = 0; i < 22; ++i) {
  grid_resolution[i] = startResolution / Math.pow(2, i);
}

var crs_6706 = new L.Proj.CRS('EPSG:6706',
   '+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs',
   {
     origin: [0, 0],
     bounds: L.bounds([5.93, 34.76], [18.99, 47.1]),
     resolutions:  grid_resolution
   })


   //##############################################################################
   //######## ADD LAYER WMS #######################################################
   //############################################################## NB: CATASTO AdE
     // Definisce le opzioni per l'oggetto L.WMS.source
     var options = {
       'format': "image/png",
       'transparent': true,
       'crs': crs_6706,
       'version': "1.1.1",
       'maxZoom': 21,
       'tiled': "tiled" ,
        'tileSize': 1000,
        'QUERY_LAYERS': "fabbricati",
        'info_format': "text/html",
       "attribution":  '© ' + '<a href="https://creativecommons.org/licenses/by-nc-nd/4.0/deed.it">Agenzia delle Entrate CC-BY-NC-ND 4.0</a>'
     };

   var urlCAT = "https://wms.cartografia.agenziaentrate.gov.it/inspire/wms/ows01.php";

   L.WMS.Source = L.WMS.Source.extend({
    'ajax': function(url, callback) {
        $.ajax(url, {
            'context': this,
            'success': function(result) {
                  // console.log(result)
                  // $("#results").append(result);
                  // $(" table, tr, th").removeClass('wmstable')
                  // if (!globalSelect) sidebar.open("results");
             }
        });
    },
    'showFeatureInfo': function(latlng, info) {
        // console.log(info);
    }
});




   var sourceCAT = L.WMS.source(urlCAT, options );
      var cat = sourceCAT.getLayer('province,CP.CadastralZoning,CP.CadastralParcel,fabbricati,vestizioni');

    // var cat = sourceCAT.getLayer('fabbricati');

      cat.setOpacity(0.5);
   //##############################################################################