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List:       postgis-users
Subject:    Re: [postgis-users] Segmenting  a curved sausage shaped polygon
From:       "Dave Potts" <dave.potts () pinan ! co ! uk>
Date:       2012-09-29 16:32:45
Message-ID: 2db2217e5740e5adfd40c0241cc8a358.squirrel () dp2642 ! force9 ! co ! uk
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Applying a buffer with a large -ve value creates an very small inter polygon.

Does anybody know how to create a centre line from a polygon in Postgis 2.0?

Dave Potts wrote:
>
>
> If got a curved sausage shaped polygon, it looks a bit like a letter 'C'.
>
> Is there any easy way of chopping it up in to about 5-7 segments of about
> the same length?
>
> Would applying a buffer with a -ve give line that could be segmented/
>
> Dave.
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>
>
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