Comparing Geometry in Creo View > To Add Markups to a Comparison Image
  
To Add Markups to a Comparison Image
1. Right-click in the Results pane and choose Open in New View. The comparison display opens and the Home tab is available.
2. Click Markup. The Markup tab opens.
3. Apply markups and click File > Save Annotation Set > Save Annotation Set As. The New Annotation Set dialog box opens.
4. Type in the required information and click OK. The annotated image is saved as an annotation set.