Running and rerunning transformations

You can run a transformation on an entire model or project, or on a subset of elements in a model or project to generate the output that you expect. You can run a transformation on the source that you specify in the transformation configuration, or you can override the specified source by selecting elements in the model or project and then choosing a transformation configuration to apply.

About this task

Before you can run a transformation, you must create a transformation configuration. When you apply a transformation configuration, an instance of the transformation is created and the transformation runs with the properties that the configuration defines.

If you select source elements in the model instead of using the transformation configuration, the source elements that you select override the source model or elements specified in the transformation configuration. The transformation configuration is not affected and the source that you specify on the Source and Target page of the transformation configuration editor or in the New Transformation Configuration wizard does not change.

To run a transformation, complete one of the following steps:
  • To run the transformation on the source specified in the configuration, depending on the view that you are working in, complete one of the following steps:
    • In the navigation view, right-click a transformation configuration (.tc) file; then click Transform and click a transformation.
    • In the Pattern Explorer view, right-click a transformation; then click Run Transformation. In the Select configuration dialog box, specify the transformation configuration to run, and click OK.
    Tip: You can also run a transformation from the transformation configuration editor. On the Main page, click Run.
  • To specify a different source on which to run the transformation, in the Modeling perspective, select and right-click elements in the source model or project; then click Transform, click a transformation configuration, and click a transformation. The transformation configuration file must be in the same project as the elements that you select.
Tip: To run this transformation again, click Modeling > Transform > Run Last. The transformation uses the same source elements from when you last ran the transformation.

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