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The Spatial Combine step dissolves the geometries within each group into a single geometry (the union), one output row per group. It is the equivalent of the Alteryx Summarize tool’s SpatialObjCombine action and runs in the workflow engine.

group of geometriescombineone geometry
Spatial Combine dissolves the geometries within each group into a single unioned geometry — one output row per group.
  • Source Table / Output Table — the input geometries and where the dissolved result is written.
  • Geometry column — the WKT geometry column to dissolve.
  • Group by — the columns whose distinct combinations define each group; each group’s geometries are unioned into one. Select none to combine everything into a single geometry.
  • Output column — the name of the output geometry column.

The Columns tab maps the input columns to pass through onto the output.