Terms, Abbreviations and Symbols (TM) Entity It represents the basic digital object that is visualized on the City Dashboard. It has two types of properties: Technical ones that are represented by the Entity Type Semantic, which are entered when creating or

Definition and structure of digital Entities

This chapter deals with the creation and management of the definition of Entity Types using the JSON format. However, it is very important to emphasize a few basic rules of the rules. JSON is a text format of object definition

Structure of sent data into CitySys

Data is sent to the system via messages in JSON format using the MQTT protocol. The basic structure of the data sent is as follows: object identifier It is a unique object identifier that is unique in the system. It

Principles of sending data in CitySys

Data is sent to the system from the level of EDGE devices. It is a place where data can be pre-prepared, combined in various ways and a report of the required format can be constructed. Messages are sent from EDGE

Computed Attributes of digital entities

Computed attributes represent another possibility to quickly and effortlessly prepare data already during the process of processing them into the CitySys system. It is a very efficient tool that allows you to asynchronously calculate a value from static or measured

Digital Entity Attribute Types

There are situations when it is necessary to bring the visual attribute even closer to the object of its use. For example, if you want a switch, you don’t want an Attribute where you change the value to 0 or

Structure of digital Entities

The Entity Type structure is defined in JSON format. JSON stands for Java Script Object Notation, and simply put, JSON is a javascript object written as a text string. Thanks to this feature, the structure can be modified at any

Definition of digital Entities

Individual digital points in the CitySys system represent real-world objects. In order to capture all key properties (attributes), individual points are represented by Entity Type, which represents the given type of object. Each type of object has its own structure