[postgis-users] Custom st_simplify function

[Martin Davis]

Douglas-Peucker simplification doesn't split segments, it only creates
longer ones.  So not sure what behaviour you are seeing with it?

Can you post an example?

On Sat, Feb 15, 2020, 10:44 AM Alexander Gataric <gataric at usa.net> wrote:

> I mean if a line is one mile long and is simplified into five 1000 foot
> segments, I want the longest segment to be 500 feet instead of 1000 feet.
>
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> On Feb 15, 2020, at 11:47 AM, Martin Davis <mtnclimb at gmail.com> wrote:
>>
>> You mean you want to keep simplifying until there are no segments of
>> length greater than the maximum?  (Presumably excluding input segments
>> already longer?)
>>
>> On Fri, Feb 14, 2020, 1:57 PM Alexander Gataric <gataric at usa.net> wrote:
>>
>>> Is there a way to modify st_simplify to have a maximum segment length? I
>>> want to be able to limit it to 500 feet.
>>>
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