Symbol Counting

{
  "entity": "feature",
  "project_id": "proj_oak",
  "sheet_number": "E-201",
  "type": "duplex_receptacle"
}

{
  "count": 17,
  "items": [
    {
      "id": "ftr_rec_01",
      "type": "duplex_receptacle",
      "label": null,
      "confidence": 0.94,
      "uri": "storage://features/ftr_rec_01/crop.png",
      "metadata": {},
      "block": { "id": "blk_e201_plan", "type": "Plan", "identifier": "1", "sheet_number": "E-201" },
      "parent": { "id": "ftr_rm201", "type": "room", "label": "201" },
      "relations": []
    },
    {
      "id": "ftr_rec_02",
      "type": "duplex_receptacle",
      "label": null,
      "confidence": 0.92,
      "uri": "storage://features/ftr_rec_02/crop.png",
      "metadata": {},
      "block": { "id": "blk_e201_plan", "type": "Plan", "identifier": "1", "sheet_number": "E-201" },
      "parent": { "id": "ftr_rm201", "type": "room", "label": "201" },
      "relations": []
    },
    {
      "id": "ftr_rec_03",
      "type": "duplex_receptacle",
      "label": null,
      "confidence": 0.91,
      "uri": "storage://features/ftr_rec_03/crop.png",
      "metadata": {},
      "block": { "id": "blk_e201_plan", "type": "Plan", "identifier": "1", "sheet_number": "E-201" },
      "parent": { "id": "ftr_rm202", "type": "room", "label": "202" },
      "relations": []
    }
  ]
}