{
 "layers": [
  {
   "layerId": 0,
   "layerName": "ความเป็นกรด-ด่าง",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "ด่างจัด (pH > 8.4)",
     "url": "e58e07187414dee20ab6bfa0394b4cb3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgb4MJf8pMWgzQw8jioHUAqMGjho4auCogXQ2EFaeUc1AagEAdU8EkW9c+HMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "9.01",
      "8.75"
     ]
    },
    {
     "label": "ด่างเล็กน้อย (pH 7.4 - 8.4)",
     "url": "8d4c0cae298a1c4958064eaa10fbccc7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUOI1jYaAyYKGdgSW+/ykyqWczI6qBVAKjBo4aOGrgqIH0NhBanlHPQCoBAHN1BJElY0nsAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "8.15",
      "7.6"
     ]
    },
    {
     "label": "เป็นกลาง (pH 6.6 - 7.3)",
     "url": "328ef735922ceb54a865fc1de88b6dff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf//M/ynxCBGRgZGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIACTEDVHAdUUMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "7.25",
      "6.95",
      "7",
      "6.75"
     ]
    },
    {
     "label": "กรดเล็กน้อย (pH 5.6 - 6.5)",
     "url": "de96f7364d794a55c137ff32e0b13db9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf/fbPhPiUGMIgGMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUA0jQEtyVfO9QAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "6.3",
      "6.5",
      "6.25",
      "6.001",
      "5.8",
      "5.75",
      "6"
     ]
    },
    {
     "label": "กรดจัด (pH 4.5 - 5.5)",
     "url": "65b450d2b273497533fbd1315c59e6e8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf9XMvynxCDGcAZGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIAJsEDqmihU4IAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "5.5",
      "5.3",
      "4.75",
      "5.25",
      "5"
     ]
    },
    {
     "label": "กรดรุนแรง (pH < 4.5)",
     "url": "d391669d02d9be909930040f8991c9aa",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf8ZGP5TYhAjAwMjioHUAqMGjho4auCogXQ2EFaeUc1AagEAYH8CU17tvfIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "3.95",
      "3.49"
     ]
    },
    {
     "label": "ไม่มีข้อมูล",
     "url": "f1ee87469f94e2668abe1d871bdbad5e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgQ8fPvxPiUHy8vKMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAz8MEr8a/+VkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "<Null>"
     ]
    }
   ]
  }
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}