{
  "file_type": "csv",
  "file_properties": {
    "sep": " "
  },

  "columns": {
    "node_id": {"required": true},
    "node_type_id": {"required": true},
    "x_soma": {"required": true},
    "y_soma": {"required": true},
    "z_soma": {"required": true},
    "rotation_angle_yaxis": {"required": true},
    "pop_name": {"required": true},
    "ei": {"required": true},
    "location": {"required": false},
    "tuning_angle": {"required": false}
  }
}