spec.md

Curve

Description

This entity contains an harmonised description of a generic curve made for the Water Network Management domain. This entity is primarily associated with the water management vertical and related IoT applications.

Data Model

A JSON Schema corresponding to this data model can be found here.

NGSI-LD common Properties

• id : Unique identifier.

• type: Entity type. It must be equal to Curve.

• modifiedAt: Last update timestamp of this entity.

  • Attribute type: Property. DateTime
  • Read-Only. Automatically generated.

• createdAt: Entity's creation timestamp.

  • Attribute type: Property. DateTime
  • Read-Only. Automatically generated.

Curve Entity Properties

• curveType : Entity's curve type.

  • Attribute type: Property.
  • Accepted Values:FLOW-HEAD, FLOW-EFFICIANCY, FLOW-HEADLOSS, LEVEL-VOLUME
  • Mandatory

• xData : X data points for the curve

  • Attribute type: Property. List of Number
  • Attribute metadata Properties:
    • {{metadata Property name}} : {{Metadata Property Description}}
  • Mandatory

• yData : Y data points for the curve

  • Attribute type: Property. List of Number
  • Attribute metadata Properties:
    • {{metadata Property name}} : {{Metadata Property Description}}
  • Mandatory

Junction Entity Relationships

No Relationhips defined for this entity

NGSI-LD Example

A full example is presented here.

Use it with a real service

T.B.D.

Open Issues