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An HMI graphics library is a collection of pre-designed and pre-built graphics, templates, and symbols that can be used to create custom HMI screens. These libraries typically include a wide range of assets, such as:
At its core, an HMI graphics library is a collection of pre-designed graphic elements, icons, and code modules. It provides the essential building blocks required to assemble an operator interface, from simple buttons and sliders to complex analog gauges and industrial equipment diagrams.
Older HMI libraries filled screens with spinning 3D fans, bright green running pumps, and flashing red animations. This visual noise causes "alarm blindness." If a screen is constantly filled with vibrant colors, an operator cannot quickly spot a critical failure. Principles of High-Performance HMI Design
For Traditional HMI Software (FactoryTalk View, WinCC, Wonderware InTouch)
Eliminates the need for external graphic design agencies or expensive proprietary icon packs.
Searching for "industrial" or "machine" symbols can yield a wealth of SVG files that can be imported into HMI development software.
Ability to render smooth graphics on low-power hardware (embedded systems).
GitHub and open-source automation forums are excellent sources for community-driven graphical assets.
This paper surveys free (open-source and permissively licensed) Human–Machine Interface (HMI) graphics libraries used in embedded, desktop, and web-based systems. It compares features, performance, ease of integration, tooling, and community support, and presents benchmarks, case studies, and recommended best practices for selecting and using a free HMI graphics library across common application domains.
Look for linear gauges, moving bar charts, and trend indicators rather than simple digital readouts.
An HMI graphics library is a collection of pre-designed and pre-built graphics, templates, and symbols that can be used to create custom HMI screens. These libraries typically include a wide range of assets, such as:
At its core, an HMI graphics library is a collection of pre-designed graphic elements, icons, and code modules. It provides the essential building blocks required to assemble an operator interface, from simple buttons and sliders to complex analog gauges and industrial equipment diagrams.
Older HMI libraries filled screens with spinning 3D fans, bright green running pumps, and flashing red animations. This visual noise causes "alarm blindness." If a screen is constantly filled with vibrant colors, an operator cannot quickly spot a critical failure. Principles of High-Performance HMI Design
For Traditional HMI Software (FactoryTalk View, WinCC, Wonderware InTouch)
Eliminates the need for external graphic design agencies or expensive proprietary icon packs.
Searching for "industrial" or "machine" symbols can yield a wealth of SVG files that can be imported into HMI development software.
Ability to render smooth graphics on low-power hardware (embedded systems).
GitHub and open-source automation forums are excellent sources for community-driven graphical assets.
This paper surveys free (open-source and permissively licensed) Human–Machine Interface (HMI) graphics libraries used in embedded, desktop, and web-based systems. It compares features, performance, ease of integration, tooling, and community support, and presents benchmarks, case studies, and recommended best practices for selecting and using a free HMI graphics library across common application domains.
Look for linear gauges, moving bar charts, and trend indicators rather than simple digital readouts.