Question

Google Maps has the Drawing library to draw Polylines and Polygons and other things.

Example of this functionality here: http://gmaps-samples-v3.googlecode.com/svn-history/r282/trunk/drawing/drawing-tools.html

I want, when drawing and editing the polygon, to be able to delete one point/vertex on the path. The API docs haven’t seemed to hint at anything.

Answer 1

This is currently an outstanding feature request (acknowledged by Google), issue 3760.

Here’s my solution: http://jsbin.com/ajimur/10. It uses a function that adds a delete button to the passed in polygon (below the undo button).

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Alternatively, someone suggested this approach: right-click to delete closest vertex, which works fine but is somewhat lacking in UI finesse. I built on the code from the link to check if the click was inside (or within 1 pixel of) the node – in a JSBin here: http://jsbin.com/ajimur/.

EDIT: as Amr Bekhit pointed out – this approach is currently broken, as the events need to be attached to the polygon.