{ "layers": [ { "layerId": 0, "layerName": "O3-2", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "≤80", "url": "c74fc2c1988a77098a9ab3c1a6ce8445", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARklEQVQ4jWMp+X/fgYGBAYSpAQ6wgAz7z8BQTw3TGBkYGEAGUhWwjBpIMWCh3AhUMGog5YCFCmaggFEDR0oYHgCVtFQCBwAVvAcjHnHx2QAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ 80 ] }, { "label": "80 - 120", "url": "aa3808fd4b99973c4b03bfe0dd55dbba", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4je3UsRGAQBBCUWQo7DqzHNvYbuyCcTS7eMncX8ALCBDua8FcSESXPuzAGQFNCOE0YDv1ib0B+ylgbA34jw3pep82El0P63IMX3g1gI0AAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ 120 ] }, { "label": "120 - 180", "url": "f121cdb912d76710add029f677c24a58", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4je3UMREAMAhD0cBFWJ3VWt3UBddjZCZb+QLekCG8FysCC4LccZiYGbYCjAAIcRywHftEbcB+FBilAb/Y0B0nn1ZRWg9WdA2cKPkdEAAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ 180 ] }, { "label": "180 - 240", "url": "0586db1c38978f50589bcbee7563e26f", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASElEQVQ4je3UsQ3AMAwDwYfBwTyE98lqmkwOnM612EU/wBUsqL2YDCaOktCHbR4LOECYU4PlVCfuGqwng3HV4D82TOI8raUkXjRlCSQ78035AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ 240 ] }, { "label": ">240", "url": "28c2bdecce8984a4302e4192f5a5d2b7", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4je3UsQ0AIAwDwQd5MDZjNbZhC4RSUscd+QGucGFtGAcGhjosBdZgOsADCHMqMJ3yxFuB+WQwngr8YsMOK57WUVgXY/8ItscSImQAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ 1000 ] } ], "legendGroups": [ { "id": "0", "heading": "µg/m³" } ] } ] }