| I’m trying to get started on re-writing a system I had written in SunView back in the 1990s. The heart of it is a display of multiple signals moving across the screen, like an oscilloscope. In XForms, should I use a free object as in the “freedraw” demo, or should I start with the “XYplot” demo. I need to use a single “box” as the signal amplitudes and the signal positions need to be modifiable interactively, as the user sees how their system (typically a dynamical system) is functioning. The signals can overlap. I’ve been looking at several demos and it isn’t yet clear to me the appropriate way to proceed.
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