Create a Delaunay Diagram from a Vector Layer
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.. code-block:: bash

  #!/bin/bash
  geoc vector centroid -i naturalearth.gpkg -l countries | geoc vector delaunay -o countries_delaunay.pbf

  geoc vector defaultstyle --color navy -o 0.15 -g polygon > countries_delaunay.sld

  geoc map draw -f vector_delaunay.png -b "-180,-90,180,90" \
      -l "layertype=layer file=naturalearth.gpkg layername=ocean style=ocean.sld" \
      -l "layertype=layer file=naturalearth.gpkg layername=countries style=countries.sld" \
      -l "layertype=layer file=countries_delaunay.pbf layername=countries_delaunay style=countries_delaunay.sld"

.. image:: vector_delaunay.png