Review what's changed between drawing revisions
Check an updated drawing against the previous one, with the changes highlighted, so you can confirm what's different before you act on it.
This guide is designed for project manager.
Steps
Step 1: Open the drawing comparison
Go to the comparison area for the drawing you're checking. This loads the comparison image along with boxes around anything that's changed.

Step 2: Switch between comparison views
Use the controls to switch between slider, side-by-side, or overlay views, so you can check the changes in whichever way is clearest for you.

Step 3: Look through each highlighted change
Scroll or use the navigation controls to move through each detected change and bring it into view.

Step 4: Zoom and move to check the detail
Zoom in and move around the drawing to look closely at what's changed inside each highlighted box.

Step 5: Turn the highlight boxes on or off
Switch the change boxes on to focus on what's different, or off to see the drawings on their own without any overlay.

Step 6: Refresh if the images won't load
If the drawing or comparison image doesn't load or has expired, use the refresh option to reload it.

Step 7: Reset the view
Use the reset controls to put the comparison back to its original zoom, position, and mode, ready to start again.

Last updated: 2026-07-04