![]() ![]() Where I get stuck is then taking my 2D plot and turning it into an "interactive" plot where the user can select one or more points and then drag them around, altering the stored points in the corresponding data. Even with very large numbers of data points it's very snappy to draw lines, even including recalculating and drawing the line in "real-time" during recording. ![]() I have no problem at all plotting my points as a static 2D line graph, and drawing circles on the line to indicate the actual recorded data points. My points are stored as a dictionary where the keys are times and the values are the corresponding value at that time. I'm developing a MacOS application in Swift where users record keyframe values against a 2D timeline.
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