Compare an Original Drawing to a Revised Drawing
The drawings are overlaid electronically. The resulting image shows the common features in black and white. Deleted features are shown in red. Added features are shown in blue. Use the comparison to:

• Find changes in revised drawings
• Compare floors in multi-story buildings
• Compare models to actual units in residential construction
• Compare construction drawings to those used for bid preparation
• Document differences for scope dispute resolution

Copy measurements from one drawing to another
Quickly select one or more measurements, then copy them from the old drawing to the new drawing. Quantity Worksheets assignments can be copied at the same time.

Change the Display Style for Maximum Readability
Several display styles are available:

• Display both the old and the new drawing
• Display the new drawing only
• Display the old drawing only
• Emphasize the new drawing (the old drawing is shown faintly)
• Emphasize the old drawing (the new drawing is shown faintly)

All Capabilities Available During Comparison
Create or edit measurements or annotations, print, or perform any other operation while the comparison is displayed

Quickly Return to a Previously Defined Comparison
Once you've defined a comparison, you can quickly recall it later.