Need to send someone a map with some annotations on it? Start with the Apple Maps app on your Mac and position it to include everything you want. Then use Edit, Copy to grab a bitmap image just as you see it. In Preview, choose File, New from Clipboard to put this into a new Preview document. You can then use Preview’s annotation tool to add lines, circles, text, and so on. Use the Share button to attach it to an email. Strangely enough, if you try to paste into Mail instead of Preview, you just get a link to show those coordinates in the Maps app.
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