[postgis-devel] ST_3DIntersects segfaults

[Nicklas Avén]

Yes, I can confirm crashing 
postgis_full_versionPOSTGIS="2.4.4 r16526" GEOS="3.7.0dev-CAPI-1.11.0
084542e5" SFCGAL="1.3.0" PROJ="Rel. 4.9.3, 15 August 2016" GDAL="GDAL
2.1.2, released 2016/10/24" LIBXML="2.9.4" LIBJSON="0.12.99"
LIBPROTOBUF="1.2.1" (core procs from "2.4.0dev r15351" need upgrade)
RASTER (raster procs from "2.4.0dev r15351" need upgrade) (sfcgal procs
from "2.4.0dev r15351" need upgrade)
That is handled in sfcgal I guess.
/Nicklas

On Thu, 2018-08-23 at 14:04 +0200, Tom van Tilburg wrote:
> The query below segfaults with me on 
> "POSTGIS="2.5.0rc1dev r16693" [EXTENSION] PGSQL="100"
> GEOS="3.7.0beta2-CAPI-1.11.0 e7d54545" SFCGAL="1.3.5" PROJ="Rel.
> 5.1.0, June 1st, 2018" GDAL="GDAL 2.4.0dev-3ea4d4ed14-dirty, released
> 2018/07/09" LIBXML="2.9.4" LIBJSON="0.12.1" LIBPROTOBUF="1.2.1" RAST
> (...)"
> 
> 
> 
> I don't have another postgis version at hand to test, can others
> confirm that?
> 
> The polyhedral surface seems valid, removing decimal precision makes
> the query run without segfaulting.
> 
> WITH data as (
> SELECT
> ST_GeometryFromText(
> 'POLYGON Z ((
> 122395.299 489126.697 8.61546664325712,
> 122389.298 489128.73 8.55588025324629,
> 122391.489 489135.198 8.5526708028059,
> 122397.49 489133.165 8.61225719281685,
> 122395.299 489126.697 8.61546664325712))'
> ) as geoma,
> ST_GeometryFromText(
> 'POLYHEDRALSURFACE Z (((
> 122390.998245685 489133.068537491 0,
> 122391.003145022 489133.066423547 0,
> 122391.003145022 489133.066423547 10,
> 122390.998245685 489133.068537491 10,
> 122390.998245685 489133.068537491 0
> )),((
> 122391.003145022 489133.066423547 0,
> 122383.269575402 489114.842869866 0,
> 122383.269575402 489114.842869866 10,
> 122391.003145022 489133.066423547 10,
> 122391.003145022 489133.066423547 0
> )))'
> ) as geomb
> )
> SELECT ST_3DIntersection(geoma, geomb)
> FROM data
> 
> Best,
>  Tom
> 
> 
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