[postgis-users] Dumping out points in a linestring

[Ed Linde]

Thanks, is there a way to then dump out inflection points in postgis?

On Mon, Jul 9, 2012 at 3:13 PM, Mr. Puneet Kishor <punk.kish at gmail.com>wrote:

>
> On Jul 9, 2012, at 6:37 PM, Ed Linde wrote:
>
> > Thanks Nicolas. I was wondering what these points in the linestring
> > symbolize? Are the default set of points on a 2D linestring
> > indicating the positions at which the line is not straight and changes
> > directions?
>
>
> Points making up a linestring are just that, points. They have no
> relationship to whether or not the line changes direction. Consider...
>
>
>     +---------+-------------+---------------+
>
> '+' are points defining the linestring that is symbolized by '+' and '-',
> but there is no change in direction, no inflection point.
>
>
> --
> Puneet Kishor
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