The app has dragable modules, at these modules are dots. These dots need the function that they can connect with each other with lines. So when a user clicks at a first dot and then at a second, a line will be drawn.
This is where we are stuck. Please see the attachments for more information.
The web application is based on a software package that is also included in the attachment. If you see the original software you will know what we mean.
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