This is an old revision of HomePageEn/Doc/VCAconcept from 2010-05-12 10:55:45..

The generic concept of the visual control area(VCA)

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Status: Implementation
Author: /RomanSavochenko
Note: The project, initially, was formed on the basis of the graduation project of Eugene Zaychuk (RU).

Contents

1 Introduction

2 Purpose

3 Requirements

3.1 Architectural requirements

3.2 General requirements

3.3 Reliability requirements

4 Projection

4.1 Statement of the Problem

4.1.1 Tasks of the SCADA system

4.1.2 Tasks of monitoring system

4.2 Formalization

4.3 Frames and elements of visualization (widgets)

4.4 Project

4.5 Session of the project execution

4.6 Styles

4.7 Events, their processing and the events' maps

4.8 Signaling (Alarms)

4.9 Rights management

4.10 Linkage with the dynamics

4.11 Architecture

4.12 Primitives of the widget

Elementary graphic figures (ElFigure)

Element of the form (FormEl)

Text element (Text)

Element of visualization of media materials (Media)

Element of constructing diagrams/trends (Diagram)

Element of building the protocols based on the archives of messages (Protocol)

Element of formation of documentation (Document)

Container (Box)

4.13 Database using to store libraries of widgets and projects

4.14 API of the user programming and service interfaces of the OpenSCADA

API of the user programming

Service interfaces of OpenSCADA

Access to the values of attributes of the visualization elements (widgets)

Group access to the values of the attributes of the visualization elements (widgets)

Access to the pages of the session

Signaling (alarm) management

Manipulation with the sessions of the projects

Group request for the tree of widget libraries

4.15 Copying elements

4.16 Projecting functional features

5 Playing the situations to implement them on the basis of the concept of this project

6 Implementation

6.1 Widgets and Libraries

Implementation of the basis of the architecture "Data model" - "Presentation(visualization)"

Implementation of the basic functions of the VCA data model in the UI.VCAEngine module

Implementation of basic functions of the development framework of the user interface in the presentation(visualization) module UI.Vision

6.2 Visualization interface projects

6.3 Sessions of the project's running

Forming of hierarchical final visualization widgets' tree based on the project for which the session is opened.

Forming values' frames for the final visualization widgets' calculation procedures.

Links on the data sources of OpenSCADA processing.

Forming window of the project execution (Runtime).

Visualization of the project's frames in the "Runtime" mode with periodic updating of the content.

Realization of transfer and processing of the events.

Implementation of the mechanism of the switching/opening/replacement/navigation through the pages of the project taking into account the processing scenarios(scripts).

6.4 Designing and implementing the visualization primitives

6.4.1 Elementary figure primitive (ElFigure)

UI.Vision

UI.WebVision

6.4.2 Primitive of the form element (FormEl)

UI.Vision

UI.WebVision

6.4.3 Text primitive (Text)

UI.Vision

UI.WebVision

6.4.4 Primitive of the displaying the media materials (Media)

UI.Vision

UI.WebVision

6.4.5 Primitive of the construction of diagrams/graphs (Diagram)

UI.Vision

UI.WebVision

6.4.6 Primitive of the protocol formation (Protocol)

UI.Vision

UI.WebVision

6.4.7 Primitive of the protocol formation (Document)

UI.Vision

UI.WebVision

6.4.8 Primitive of the box container (Box)

UI.Vision

UI.WebVision

6.5 Visualization themes-styles

UI.Vision

UI.WebVision

6.6 Events maps — In plans

6.7 The implementation of weak links between data model and presentation(visualization)

6.8 Web-based visualization interface of the project's session

Links

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Links

Referring pages: HomePageEn/Doc
HomePageEn/Doc/WebVision
HomePageEn/MaximLysenko

OpenSCADAWiki: Home Page En/Doc/VC Aconcept ...

The generic concept of the visual control area(VCA)

Links