It's in backlog for 6 years already I believe: https://trac.osgeo.org/geos/ticket/466
пн, 6 мая 2019, 19:33 карыстальнік Martin Davis <mtncl...@gmail.com> напісаў: > It should be possible to post-process GEOS results to re-populate the M > values if present. Linear interpolation could be used to estimate values > at intra-segment points. We can put this on the list for future > development. > > On Mon, May 6, 2019 at 4:48 AM Darafei "Komяpa" Praliaskouski < > m...@komzpa.net> wrote: > >> Hi, >> >> GEOS operations do not preserve M, but sometimes preserve Z. You can try >> ST_SwapOrdinates(ST_Intersection(ST_SwapOrdinates(geom, 'zm'),...), 'zm'). >> >> On Thu, May 2, 2019 at 5:19 AM Bo Guo <bo....@gisticinc.com> wrote: >> >>> Hi there, >>> >>> I was trying to cut a portion of the LRS route with an area using >>> ST_Intersection. However the resulting route no longer carries measure >>> value. The behavior is the same for version 9.6 or the latest version >>> 11. Anyone has any suggestions? >>> >>> Thanks! >>> >>> Bo >>> _______________________________________________ >>> postgis-users mailing list >>> postgis-users@lists.osgeo.org >>> https://lists.osgeo.org/mailman/listinfo/postgis-users >> >> >> >> -- >> Darafei Praliaskouski >> Support me: http://patreon.com/komzpa >> _______________________________________________ >> postgis-users mailing list >> postgis-users@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/postgis-users > > _______________________________________________ > postgis-users mailing list > postgis-users@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/postgis-users
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