Alignment from existing alignment

Last updated: 2025-10-17

Total video time: 6:32

Exercise file: ali-data-C3D22.zip

Video: ali-frm-exst-ali-01.mp4 2:16

Open drawing file

  1. Quick Access > Open
  2. Open File dialog box
    1. Look in: browse to folder dataset is saved.
    2. Select AliProf-All.dwg
    3. Open

Create alignment using alignment stations

  1. Ribbon > Home tab > Create Design panel > Alignment dropdown > Create Alignment from Existing Alignment
  2. Select an alignment:Hover over alignment > left-click > Selection Cycling dialog box > select Alignment

    Tip: To toggle selection cycling, press Ctrl + W.

  3. Specify split point on alignment or [(E)ntities (F)inish]:40245Enter
  4. Specify next point or (S)tation (F)inish:34325Enter
  5. Specify next point or (S)tation (F)inish:FEnter
  6. Create Alignment from Existing Alignment dialog box
    1. Name: type AliProf-All-Alt1
    2. Leave all other settings as is.
    3. OK

Check if new alignment exists

  1. Hover over alignment > left-click > Selection Cycling dialog box
  2. See if new alignment is in the list.
  3. ESC to close

Video: ali-frm-exst-ali-02.mp4 2:16

Open drawing file

  1. Quick Access > Open
  2. Open File dialog box
    1. Look in: browse to folder dataset is saved.
    2. Select AliProf-All.dwg
    3. Open

Add new data design information to alignment

This method is best used to create a diversion, an alternate, from the original alignment.

  1. Zoom to the center of the alignment, between the two curves.
  2. Hover over alignment > left-click > Selection Cycling dialog box > select new Alignment (top of the list, when selected should highlight the tangent between the two curves.)
  3. Ribbon > Modify panel > Geometry Editor ORRight-click menu > Edit Alignment Geometry...
  4. Alignment Layout Tools toolbar > Line tool dropdown > Fixed Line (Two points)
  5. Specify start point: Left-click along, but not on, the alignment.
  6. Specify next point: Left-click another point heading north-east from start point.
  7. Alignment Layout Tools toolbar > Curve tool dropdown > Free Curve Fillet (Between two entities, through point)
  8. Specify first entity:Hover over alignment > left-click > Selection Cycling dialog box > select Alignment (tangent between two curves)
  9. Select next entity: Left-click newly created tangent
  10. Specify a through point: Move cursor between tangents until an appropriate arc is displayed. Left-click to accept.
  11. Right-click to end command.
  12. X to close Alignment Layout Tools toolbar

Video: ali-frm-exst-ali-03.mp4 2:00

Open drawing file

  1. Quick Access > Open
  2. Open File dialog box
    1. Look in: browse to folder dataset is saved.
    2. Select AliProf-All.dwg
    3. Open

Create alignment using alignment entities

  1. Ribbon > Home tab > Create Design panel > Alignment dropdown > Create Alignment from Existing Alignment
  2. Select an alignment:Hover over alignment > left-click > Selection Cycling dialog box > select Alignment
  3. Specify split point on alignment or [(E)ntities (F)inish]:EEnter
  4. Specify alignment entities or (S)tation (F)inish:Hover over alignment > left-click > Selection Cycling dialog box > select Alignment
  5. Specify alignment entities or (S)tation (F)inish:Hover over curve south of tangent > left-click > Selection Cycling dialog box > Left-click on alignment
  6. Specify alignment entities or (S)tation (F)inish:FEnter
  7. Create Alignment from Existing Alignment dialog box
    1. Name: type AliProf-All-Alt2
    2. Leave all other settings as is.
    3. OK

Check if new alignment exists

  1. Hover over alignment > left-click > Selection Cycling dialog box
  2. See if new alignment is in the list.
  3. ESC to close