[postgis-devel] Re: LRS functions

Christoph Spoerri cspoerri at cavtel.net
Tue Nov 29 10:48:57 PST 2005

I wanted to check with you on how my LRS functions could be added to the 
current postgis code base. Do you have certain procedures , documents or QAQC 
checks that need to be followed?

I would like to provide the LRS functions to all the users and not just to 
users with an imminent need.


On Wednesday 23 November 2005 09:04, strk at refractions.net wrote:
> We've added two LRS functions with semantics
> specified by ISO SQL/MM:
> 	- locate_along_measure(geom, measure)
> 	- locate_between_measures(geom, m_start, m_end)
> Differently from Chris version the M values
> are not assumed to be consecutive, so an input
> LINESTRING can result in a collection of
> LINESTRINGS and POINTS in output.
> Polygons, multipolygons and collection types are
> NOT supported, all others are.
> In the process of finalizing semantics all comments
> and tests are welcome (in HEAD branch).
> --strk;
>  /"\    ASCII Ribbon Campaign
>  \ /    Respect for open standards
>   X     No HTML/RTF in email
>  / \    No M$ Word docs in email

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