In gdal_contour it seems that the "-a" elevation field creation only works for linestrings, not polygons (-p). Is this intended behaviour?

I would find it more convenient if -a would also work for polygons as I sometimes switch between the two modes.

I am using 2.4.0

Armin

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__________________________________________________________________
Dr. Armin Schmidt
GeodataWIZ: Geo Data + Visualisation
 www.GeodataWIZ.com
 www.GeodataWIZ.com/armin-schmidt
Honorary Secretary ISAP
 International Society for Archaeological Prospection
 www.archprospection.org
Honorary Visiting Research Fellow, University of Bradford
 School of Archaeological and Forensic Sciences
Honorary Fellow, Durham University
 Department of Archaeology
http://orcid.org/0000-0002-4241-5381

Email: [email protected]

Available in print:
 Guidelines for the use of Geophysics in Archaeology (2015). Namur: EAC.
 Earth Resistance for Archaeologists (2013). Lanham: AltaMira Press
 Geophysical Data in Archaeology (2013). Oxford: Oxbow Books.
http://www.amazon.co.uk/-/e/B0034QC4OW
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