Comparisons

You can compare two drawings to review any differences between them. After you open the first drawing, which is the base drawing, you can select the comparison drawing. Then you can align and compare the drawings.

In the alignment and comparison modes, the following default colors are used:

  • Blue Color picker blue icon: Lines of the base drawing.
  • Red Color picker red icon: Lines of the comparison drawing.
  • Gray Color picker grey icon or Black Color picker icon: Overlapping lines of the base and comparison drawings.
  • The base and comparison drawings must have the same height and width.
  • The name of the base drawing is always displayed at the top of the drawing viewer.
  1. Open the drawing that you want to use as the base drawing.
  2. On the navigation toolbar, select Compare drawing icon (Compare).
  3. Select a different revision of the base drawing.

    4. —Or—

    Select Compare To Other Drawings, select a drawing, and then a select a revision.

  4. Align and compare the drawings.

In the alignment mode, you can move the comparison drawing so its lines overlap with the lines of the base drawing.

  1. To move the comparison drawing, select the arrows.
    2. Alignment mode arrows

    —Or—

    Select Alignment mode drag (Drag & Drop), and then select and drag the comparison drawing.

    • To zoom in, hover over the drawing, and then move the mouse wheel forwards.
    • To zoom out, hover over the drawing, and then move the mouse wheel backwards.
    • To pan across the drawing, select and drag the drawing.
    • To reset the alignment, select Reset button.
  2. Select Finish Alignment.

    3. The drawings are displayed in the comparison mode.

In the comparison mode, you can review any differences between the selected drawings. To make the comparison easier, you can change display options such as the line colors and the contrast between the drawings.

If you add annotations or update information in the right-side panels, the changes are only applied to the base drawing.
  • At the top-right of the menu, select Settings icon (Options).
  1. Expand the Drawing Comparison Options menu.
  2. Change the line colors.
    1. To the left of the base drawing, select Color picker blue icon, and then select a color.
    2. To the left of the comparison drawing, select Color picker red icon, and then select a color.
    3. To the left of Overlapping Linework Color, select Color picker grey icon, and then select a color.
  3. To increase the contrast between the drawings, turn on the High Contrast toggle.

    4. The contrast setting affects the color of the overlapping linework and any shading to make the differences easier to see.

  4. To show or hide a drawing, select Hide icon (Hidden) or Shown icon (Shown) to the right of the base or comparison drawing.
  5. To show or hide the annotations of the base drawing, select Hide icon (Hidden) or Shown icon (Shown) to the right of Annotations.

    6. This only affects annotations that are added in ProjectSight.

  • Hover over the drawing, and then rotate the mouse wheel forwards or backwards.
  1. Expand the Drawing Comparison Options menu.
  2. Select Update Alignment, and then align the drawings.
  • At the top-right of the Drawing Comparison Options menu, select X icon (Close).

    • —Or—

    On the navigation toolbar, select Compare drawing icon (Compare).

    —Or—

    At the top of the drawing, select Back arrow (Save).

After you set up two drawings for comparison, you can print the current view, which is based on the selected options from the Drawing Comparison Options menu.

  1. Set up two drawings for comparison.
  2. In the Drawing Comparison Options menu, select Print Results.
  3. In the print dialog of the browser, edit the settings and then select Print.