If instead of putting your value on the Z, you put it on the M, you could have
recourse to the https://postgis.net/docs/ST_LocateBetween.html function. Maybe
that?
P
> On Jun 3, 2025, at 8:50 AM, Richard Huesken wrote:
>
> Hi,
>
> I have a 3D line, which represents the track of a ship.
> The
https://postgis.net/docs/ST_LocateBetweenElevations.html should just do the
trick.
On Tue, Jun 3, 2025 at 7:58 PM Paul Ramsey
wrote:
> If instead of putting your value on the Z, you put it on the M, you could
> have recourse to the https://postgis.net/docs/ST_LocateBetween.html function.
> Maybe
Hi,
I have a 3D line, which represents the track of a ship.
The Z value is set to a an OADate value (see e.g.
https://learn.microsoft.com/en-us/dotnet/api/system.datetime.tooadate?view=net-8.0
).
In this way, I have the date time of each point in the line.
I need get the first part of the line un
