Comparing Geometry in Creo View > To Modify the Display of Volumes in a Comparison
  
To Modify the Display of Volumes in a Comparison
In this procedure, use the tools on the Geometry Compare tab of the ribbon.
1. To show or hide the noncompared parts in the view, click one of these options:
Isolate Compared Parts
Unhide All
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You can also right-click in the graphics area and choose an option.
2. To dim the appearance of the shown noncompared parts, click Emphasize Mode.
3. To toggle the visibility of each of the resultant volumes in the Compare view, click the button for that volume in the Compare Display group.
First Item—First compared part.
Second Item—Second compared part.
Common—The shared volumes of the two parts.
Added—The additional volume only in modified part.
Removed—The removed volume only in the baseline part.
4. To modify the appearance of each of the resultant volumes in the Compare view, follow these steps:
a. Click the arrow on the volume display button. The display menu opens.
b. Click Appearance > Opaque or Appearance > Transparent. The volume’s appearance changes.
5. To change the display color of each volume, click the arrow on the volume display button to open its display menu, and then choose Color. The Choose Color dialog box opens.
6. Set a color, and then click OK. Repeat steps 5 and 6 as needed.