A LineString must not have dangles
Dangles are like cul-de-sac (roads). You can find them only in LineStrings where a line ends and does not connect to another line segment. "To dangle in the air" refers to a LineString that is not connected to any other LineString. These are very important to identify if you are looking to ensure that a road network is connected or to identify where streets come together as they should.
A more technical description of a dangle could be described as an edge that has one or both ends that are not incidental to another edge endpoint.
How to do it...
- You will now check for dangles on your set of LineStrings as follows: ...
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