Questions on position tracking, especially using Mathematica coordinate tracking functions and control objects such as Locator, LocatorPane, and ClickPane.

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In a tool for a programmatic drawing let us capture a locator position into a clipboard

This code allows one to fast draw a technical sketch. I simplified it to extreme. It contains a disk (instead of your real sketch) and a line pointing to a place in the sketch, which you want to ...
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How do I keep a random value associated with a locator point as points are added?

I have a Manipulate to which I am adding and removing Locator points (one of which is different from the others, though that is ...