<div dir="ltr">I think a more general M-filter is appropriate. There may be other ways of usefully populating an M for filtering than just VW.<div>P.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Sep 23, 2017 at 4:05 AM, Sandro Santilli <span dir="ltr"><<a href="mailto:strk@kbt.io" target="_blank">strk@kbt.io</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Sat, Sep 23, 2017 at 12:39:16AM +0200, Nicklas Avén wrote:<br>
<br>
> Today we have no function doing this "removing of vertecies". But it<br>
> would be quite simple to write a function that just filters by the m-<br>
> value, and the simplification will be very fast.<br>
><br>
> It will be a 2.5 function, but what do you think?<br>
><br>
> Is this worth another function in the crowd?<br>
<br>
</span>Of course !<br>
Actually, I thought you already added that function<br>
as part of the Visvalingam-Whyatt algorithm work.<br>
Should it be a ST_SimplifyVWPrepared() or are you<br>
thinking of a more general "filter by M" one ?<br>
<br>
--strk;<br>
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