To copy coordinates to the clipboard, simple press the hotkey combination cmd+Return. That copies the position to the clipboard with the format e.g. x:993 y:498.
To set the origin to the cursor location, just press cmd+right arrow. If you set the origin, you switch to size modus and pressing the hotkey combination cmd+Return will copy the origin and the size to the clipboard e.g. x:656 y:466 h:30 w:35. You can change the text for the clipboard or change the hotkeys: just click on Preferences to customise XYPosition in every detail.
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