<refentry id="topogeometry">
<refnamediv>
- <refname>topogeometry</refname>
- <refpurpose>A composite type that refers to a topology geometry in a specific topology, layer, having specific type (1:[multi]point, 2:[multi]line, 3:[multi]poly, 4:collection) with specific identifier id in the topology. The id uniquely defines the topogeometry in the topology.</refpurpose>
+ <refname>TopoGeometry</refname>
+ <refpurpose>A composite type representing a topologically defined geometry</refpurpose>
</refnamediv>
<refsection>
<title>Description</title>
- <para>A composite type that refers to a topology geometry in a specific topology, layer, having specific type with specific id. The elements of a topogeometry are the properties: topology_id,layer_id,id integer,type integer. </para>
+ <para>A composite type that refers to a topology geometry in a specific topology layer, having a specific type and a specific id. The elements of a TopoGeometry are the properties: topology_id, layer_id, id integer, type integer.</para>
<orderedlist>
<listitem>
<para><varname>topology_id</varname> is an integer: Refers to a topology defined in the topology.topology table which defines the topology schema and srid.</para>
</listitem>
<listitem>
- <para><varname>layer_id</varname> is an integer: The layer_id in the layers table that hte topogeometry belongs to. The combination of topology_id, layer_id provides a unique reference in the topology.layers table.</para>
+ <para><varname>layer_id</varname> is an integer: The layer_id in the layers table that the TopoGeometry belongs to. The combination of topology_id, layer_id provides a unique reference in the topology.layers table.</para>
</listitem>
<listitem>
- <para><varname>type</varname> integer between 1 - 4 that defines the geometry type: 1:[multi]point, 2:[multi]line, 3:[multi]poly, 4:collection</para>
+ <para><varname>id</varname> is an integer: The id is the autogenerated sequence number that uniquely defines the topogeometry in the respective topology layer.</para>
</listitem>
<listitem>
- <para><varname>id</varname> is an integer: The id is the autogenerated sequence number that uniquely defines the topogeometry in the respective topology.</para>
+ <para><varname>type</varname> integer between 1 - 4 that defines the geometry type: 1:[multi]point, 2:[multi]line, 3:[multi]poly, 4:collection</para>
</listitem>
</orderedlist>
</refsection>