Normally I run my OGR SQL syntax within OSGeo4W shell. I want to try out the GMLAS driver, but can´t find a distribution where it´s installed. I´m on windows. How do I install the GMLAS driver, working with OGR command line tool?

  • OSGeo4W and packeges from gis.internals both come with GMLAS driver.
    – user30184
    May 30, 2021 at 16:43

1 Answer 1


The GMLAS driver can not be installed. You need to install a GDAL distribution that has it built in.

The conda-forge gdal distribution includes the GMLAS driver. There may be other distributions that include it, but I only use conda.

If you don't have conda installed, I suggest miniconda.

conda create -c conda-forge -n gdal_with_gmlas gdal python and any other packages etc
conda activate gdal_with_gmlas
ogrinfo --formats|findstr GML

  GML -vector- (rw+v): Geography Markup Language (GML)
  GMLAS -vector- (rwv): Geography Markup Language (GML) driven by application schemas

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