.. _glossary:

========
Glossary
========

.. glossary::

   Aggregate
     Refers to the process of combining “raw” data into a summarised form and storing it in a separate tag. This is often necessary for certain calculation scenarios that require the aggregated data to be persisted for future reporting or calculations. See :ref:`conf.dm.aggregates`.
   
   Data Connector
    A component within the Wood InsightsPlatform (WIP) that connects to external data sources using specific protocols and interacts with WIP External Data Services. It reads data into WIP or pushes data out to the external source. See :ref:`data.connector`.
   
   Data Substitution
     A process used to update historical data within a system. During data substitution, historical data points are replaced or updated with new values to maintain data accuracy and integrity. This is particularly important when there are changes in the data collection process, such as recalibrating an analyser or updating the calculation process. The goal is to ensure that all subsequent calculations and aggregations reflect the most accurate and up-to-date information. See :ref:`conf.dm.data.substitution`.

   Event
     A record created when specific predefined conditions for tag values or quality are met. Events are processed based on predefined schedules. Events remain active until the condition that raised the event is no longer active, and, if configured as a requirement, the user has acknowledged it. Once an event is no longer active, it becomes a historical event. See :ref:`events`.
   
   Flowsheet
     A visual diagramming tool used in Wood InsightsPlatform (WIP) to design and manage calculations. It allows you to specify inputs, outputs, and various calculation blocks, making the building process easier and enhancing the auditability of routines. The visual layout of a flowsheet facilitates easy troubleshooting and provides a clear structure for complex calculations. See :ref:`flowsheet`.

   Function Block 
     A key component within a flowsheet where users input their code or logic. Each function block has "pins" that represent the number of inputs and outputs required, similar to variables in programming. Users can define these pins and write their logic using interpreters like mxparser or Python. Function blocks facilitate the execution of complex calculations within the flowsheet. See :ref:`function.block`.
   
   Function Block Template
     A reusable block of logic within Wood InsightsPlatform (WIP). It allows users to create a function block once and use it multiple times across different flowsheets. This prevents the need to copy and paste logic repeatedly, ensuring consistency and reducing maintenance efforts.

   IO Map
     A tool used to map external data values into tags within Wood InsightsPlatform (WIP). IO maps provide the specific details on how external data, accessed through Data Connectors, is integrated into the WIP system. This mapping process ensures that external data is accurately represented and utilised within the WIP environment. See :ref:`io.map`.
   
   Scheduling Service
     A component within the WIP that automates the execution of instructions or instruction sequences at specified times or intervals. It supports both native WIP services and registered external applications, enabling consistent and timely task execution without manual intervention. See :ref:`conf.sequence.app`.
   
   Schematics
     Detailed diagrams or representations used to illustrate the components and connections within a system. In WIP, schematics are specialised visual elements designed to depict complex processes such as those found in oil and gas, chemical, and refining industries. These diagrams show how various elements like piping, valves, pumps, and vessels are interconnected, often using colour coding to represent different tag values and configurations. See :ref:`schematics`.

   Schematic Data Map
    A configuration used to conditionally colourise nodes or components within schematic diagrams. By assigning a schematic data map to specific schematic elements, the status of these elements can be visually represented in the schematics. This helps users quickly identify the operational state of different components, such as whether a valve is open or closed, based on predefined conditions. See :ref:`conf.schem.schem_data_maps`.
   
   Tag
     The fundamental data storage mechanism in Wood InsightsPlatform (WIP). See :ref:`tags`.

   Tag Group
     A feature that allows users to organise and find subsets of tags based on specific group values. Each tag group can be displayed as a column on the **Tags** pane, making it easy to search and filter tags. See :ref:`conf.dm.tags.group`.

   Unit Set
    A collection of units that can be used to quickly change the display of measurements in an application. Unit Sets allow users to switch between different units for various measurements, ensuring that all visuals and displays update accordingly. A unit set can contain multiple unit types with preselected units of measure to be used on the screens. This feature is particularly useful for comparing data in different units without needing to manually convert each measurement.

   Unit Type
    A category or grouping of engineering units that represent a specific kind of measurement. For example, a Unit Type for temperature might include units such as Celsius (C), Fahrenheit (F), and Kelvin (K). Each Unit Type has a base unit, which serves as the reference point for converting between different units within that type.
   
   User Hierarchy
    A structured arrangement of tags into different levels of groupings. This hierarchical structure helps in organising and managing information efficiently and in accordance with your requirements. See :ref:`user.hierarchy`.