{
  "description":"add noise to the source data",
  "spec": {
    "id": "__HOPE__/demo/mockup/hub_b/data_process/addnoise",
    "in": {
      "ports": [{
        "name": "before",
        "type": "number"
        }]
    },
    "out": {
      "ports": [{
          "name": "after",
          "type": "number"
        }]
    },
    "config": [
      {
        "name": "mean",
        "type": "number",
        "required": true,
        "default": 0
      }, {
        "name": "range",
        "type": "number",
        "required": true,
        "default": 1
      }
    ]
  }
}