Feature Description

Decomposes one or more complex objects or compounds. The result can be either single objects or complex objects.

• The ungroup function applies to line layers, polygon layers, text layers, and CAD layers.
• Only complex objects or compounds can be decomposed, simple objects cannot be ungrouped.
• Decomposing a complex object (non-text containing multiple sub-objects) generates multiple simple objects; Decomposing a compound produces multiple single objects. If the resulting single objects still contain compounds, they can continue to be decomposed until all become simple objects.

  The following diagram shows a donut polygon. After ungrouping, the new objects become two separate entities:

  Figure: Ungroup Complex Object

• For text decomposition, you can choose between Simple Split or Complete Split:
  • Simple Split: Decomposes compound text into multiple sub-object text strings. As shown in the left figure below, a compound text composed of two sub-objects becomes two separate texts after simple splitting.

    Figure: Text Simple Split

  • Complete Split: Splits text into individual characters. As shown below, the left figure after complete splitting results in eight single-character texts (right figure).

    Figure: Text Complete Split

• In the attributes of generated new objects: The SmUserID field and non-system fields inherit corresponding information from the source object; Other system fields are assigned by the system.

Feature Entry

• Features Tab->Feature Editing Group->Ungroup.
• In map->Context Menu->Ungroup button.

Steps

1. With layers editable, select one or more complex objects or compounds.
2. In the Gallery control of the Features Tab's Feature Editing Group, click the Ungroup button to execute decomposition.

   Or perform the following operation:

   Right-click and select the Ungroup command from the context menu.

3. If decomposed objects still contain compounds, continue using the ungroup function until all are decomposed into single objects.