I'm looking to convert Park polygons from OSM into points.
The QGIS fTools Extract Nodes tool will convert a polygon to points at the vertices.
What is the equivalent function or work-flow in PostGIS?
Yo can use ST_DumpPoints(geom) to get the points listed.
Look at the example how to use it.
The result contains both the geometry and a path telling where in the polygon the point belongs. So to just get the geometry (points) do like this: