CODESYS MultiTouch Example - Article no.000057 ;
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CODESYS MultiTouch Example - Article no.000057
This visualization example shows how to evaluate and handle touch events of MultiTouch displays in CODESYS. If visualization is used on a MultiTouch display, then an additional control concept is available to the user. Apart from the usual mouse and keyboard events, gestures and touch events are evaluated and processed.
Supported gestures
Pan gesture: pressing, shifting and releasing with a finger moves the contents of a window or a tab
Flick gesture: fast shifting of a finger in an area, i.e. “flicking”, leads to switching between different visualization screens
Multi touch events: operating with several fingers at a time
Several elements in a visualization screen can be actuated at the same time with several fingers. Thus it is possible to develop a two-hand control or a virtual mixer in which several sliders can be actuated at the same time.
The IGestureEventHandler interface of the VisuElems.VisuElemBase library enables IEC 61131-3 code to be implemented in order to react to gestures. A gesture event can be intercepted and consequential actions can be implemented.
IGestureEventHandler
VisuElems.VisuElemBase
The following clients can execute visualization on a MultiTouch device
CODESYS TargetVisu on a device with Windows operating system
CODESYS TargetVisu on a device with Linux operating system