Specifying predefined attributes to relate schematic features contained in diagrams

Schematic features contained in a schematic diagram can be related to each other by specifying rules or executing custom code during the diagram loading. For example, if their geometry is appropriate (Polyline or Polygon), schematic nodes can display as containers around schematic features by specifying a Spatial Query rule or Relationship rule.

Schematics can also automatically display schematic feature nodes as containers around schematic feature groups when two predefined attributes are specified on the schematic feature classes that implement these schematic features—that is, on the schematic feature classes that implement the schematic features you want to be related to these container node schematic features. These specific predefined attributes are PEN and PTN:

VorsichtVorsicht:

If schematic features contained in a schematic diagram are related to each other through rules, the configuration of the PEN and PTN predefined attributes overwrites the relations specified by rules—that is, only the relations specified through the PEN and PTN predefined attributes will be retained.

HinweisHinweis:
  • The size of the margin between the container node schematic features and their related schematic features can also be managed via predefined attributes. Those attributes are explained in the Specifying predefined attributes to manage container margins topic.
  • When the PEN attribute value identifies a schematic node whose geometry is Point geometry, that schematic node cannot be represented as a container around their related schematic features, but it will be automatically positioned at the center of this theoretical container.

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7/10/2012