Posts tagged with 'sfcgal'

Why can't I do CREATE EXTENSION postgis_sfcgal

PostGIS 2.2.0 came out this month, and the SFCGAL extension that offers advanced 3D and volumetric support, in addition to some extended 2D functions like ST_ApproximateMedialAxis became a standard PostgreSQL extension and seems to be a fairly popular extension.

I’ve seen several reports on GIS Stack Exchange of people trying to install PostGIS SFCGAL and getting things such as

ERROR: could not open extension control file /Applications/Postgres.app/Contents/Versions/9.5/share/postgresql/extension/postgis_sfcgal.control

as in this question: SFCGAL in PostGIS problem.

There are two main causes for this:

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