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Collections

Modified: 6 Jun 2026 Trimble Connect Help

A collection is a task used to define a permanent group of features to be used as a source of input data or calculation base in other tasks.

When several tasks (for example, ground surface tasks of the existing situation and different subsurface tasks) are used as indata to other tasks, it is smart to combine these in a collection task. The collection can be used as indata or calculation base in multiple tasks.

If there are changes in the indata tasks of the collection (for example, there has been a renewed ground surface due to new survey), the collection task is automatically updated and you need only recalculate the proceeding tasks that have the collection task as indata.

Create a Collection

Follow these steps to create a new collection task.

For more information, see Create a Collection in Object Manager.
  1. In the explorer, select a suitable summary task then select Home > Collection.
    The task panel opens.
  2. In the name field, enter a suitable task name.
  3. Select Select Features to view all tasks from the Object Manager model. Select the checkbox next to each task you want to add to the collection.
  4. Select Close.
  5. Select Finish.
The collection is created. It displays under the summary task you selected.
If you need to add or remove collection tasks, right-click the collection and choose Edit task. Removing data from a collection does not delete the data in the model.
Submit

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