split_partitioned_union_polygon

geometric-functions split_partitioned_union_polygon

syntax

  • split_partitioned_union_polygon(polygon_data_item, relation)

description

split_partitioned_union_polygon(polygon_data_item, relation) results in a new uint32 domain-unit with single polygons for each (multi)polygon in the polygon_data_item argument, and also dissolves over the relation.

applies to

attribute polygon_data_item with an ipoint or spoint value-type

conditions

  1. The composition type of the polygon_data_item argument needs to be polygon.
  2. The domain unit of the polygon_data_item argument must be of value type uint32.

since version

7.042

example 

unit<uint32> split_dissolve := split_partitioned_union_polygon(multipolygon/geometry, id(multipolygon))

see also