Plan Compare
  • 11 May 2023
  • 1 Minute to read
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Plan Compare

  • Dark
  • PDF

Article Summary

This article explains Plan Compare, Aligning Plans and covers frequently asked questions.

Plan Compare allows a User to easily see differences between another Plan in the Project or a Revised Plan. While Comparing Plans, you can count, measure, annotate and select items as usual.

Compare Plans

  1. Press ESC
  2. Click Compare


  1. Click to select Action Compare with a previous revision OR Compare with another plan
  2. Click to select Plan
  3. Click Compare Plans


Interpreting the Plan Comparison

Colour is used to determine identical elements and differences in Plans.

BlackIdentical lines/elements on both Plans
RedThe Plan being Compared
BlueThe Current Plan
If Measurements or Annotations are placed during the Compare function, they will appear on this Plan when the Compare is cancelled.


Aligning Plans

Adjust Plans when they are not Aligned or have different dimensions.

  1. Click Align
  2. Adjust the Plan till they are Aligned
Navigation hints:
  • Align - click, hold and drag the Plan
  • To pan - hold the Space bar
  • Re-size - zoom out and click, hold and drag the blue boxes
  • Keep proportions - Hold SHIFT while re-sizing
  1. Once aligned, click Align

💡 Use the Select Tool. to move Measurements and Annotations if required

Aligning Plans V2

Erased areas

Using the Eraser Tool​ will keep the Erased sections hidden during Compare mode. Erased areas will also cover the same parts of the Plan you are comparing with. Remove the Erased sections to see the full Comparison.


To restore the Plan to its original form:

  1. Select the Eraser tool
  2. Click Restore Original Plan
  3. Click Done
📝 Repeat the "Erased" sections when using this option.

To restore Erased areas - click Undo before leaving the Plan.

Restore only specific Erased areas:

  1. Select Eraser Tool
  2. Hold CTRL / Command ⌘ and click the black area/s to restore
  3. Click Done

Frequently Asked Questions

Can I Compare Plans with all Measurements and Annotations hidden?

Yes. To view Plans without Measurements, Annotations need to be moved off the Plan.

To do this:

  1. Click Show & Hide, then click Hide all
  2. Use Group Select to select all Annotations
  3. Relocate off the Plan


  1. Press ESC and complete the Compare function
  2. Click Show All
  3. Select the Annotations using Group Select and click, hold and drag them back to the correct position on the Plan.

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