Web HMI / SCADA and Visualization Toolkit

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Community Edition

The Web Edition of the GLG Toolkit enables process control and mission-critical applications to be deployed on the web as well as on mobile devices. An application can deploy dynamic HMI screens on the web, allowing the operator to control and monitor the process in a web browser, with no local installation required.

With the Toolkit, dynamic HMI screens are created in an interactive Graphics Builder and deployed on the web using either the client-side Java in conventional web browsers, or the server-side servlets and AJAX for mobile devices where Java is not available.

The Toolkit's run-time class library can be easily integrated with existing SCADA applications, making it an ideal tool for developing custom HMI and SCADA systems.

For conventional desktop applications, the C/C++ Edition of the Toolkit is also provided.

Point and Click HMI Editor

The Web Edition of the GLG Toolkit includes the GLG Graphics Builder - a graphical editor with point and click interface for creating dynamic HMI and SCADA screens and diagrams. With the Graphics Builder, developers can create elaborate process control and system monitoring drawings, define dynamic behavior and  attach real-time data sources. A number of pre-built components and palettes are available for use as building blocks in the Builder. An optional GIS Map component is also available.

The HMI screens use vector graphics and are resolution-independent, which makes it possible to deploy them on a wide range of displays - from large monitors to mobile devices. Drawings created with the Builder can be reused between all deployment platforms - C/C++/C#, Java, .NET, Web and Mobile.

Web Deployment with Client-Side Java

The GLG Java Class Library which is used to deploy an application in a web browser. The GLG class library is used by an application to load, display and update the HMI screens with real-time data. The library provides a concise but extensive programming API that allows developers to configure the HMI displays at run time, as well as to handle user interaction.

The Toolkit's open and flexible framework makes it easy to embed HMI screens into existing SCADA applications without a need to rewrite the existing code, and it saves months of development time when developing new custom control and monitoring solutions.

A choice of several API packages is available, from basic to  intermediate and advanced.

Mobile Deployment with AJAX and Server-Side Servlets

The GLG Graphics Server is used to deploy the HMI displays on an application server. The Graphics Server takes care of generating dynamic images of the HMI displays and updating them with the real-time data. The Graphics Server provides an extensive programming API that allows developers to control and extend the Graphics Server's functionality at run time.

If desired, the Graphics Server can load the HMI displays for a monitored process and keep them in memory, updating the HMI displays with the latest data. This allows the Graphics Server to generate dynamic images of the current state of the process by taking "snap shots" with very little overhead, making it possible for a large number of simultaneous users to monitor the process.

HMI Configurator for OEM Use

The GLG HMI Configurator, a simplified version of the HMI editor for the end-users, is also available. It may be used for OEM distribution by system integrators and can be extensively customized with custom actions, icons, dialogs, data browser and other custom features.

The HMI Configurator may also be used for developing cloud-based SCADA and monitoring systems, where a customer creates a drawing, specifies real-time data sources and uploads the drawing to a server for a web or mobile deployment.

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