Share

Adding a Floating Vertical Tangent by Best Fit

Product Documentation
Intermediate
View Original

You can define the best fit entity using a series of AutoCAD Civil 3D points, AutoCAD points, existing entities, or clicks on screen.

The illustration shows a floating vertical tangent created by best fit from an existing endpoint (1). The Xs indicate the data points used to create the entity.

Note

Each best fit profile entity is drawn to the vertical scale set in the profile view style. To create an accurate best fit entity, set the profile view style Vertical Exaggeration value to 1.000 to match the horizontal scale of the profile view. For more information, see Creating and Editing Profile View Styles.

To add a floating vertical tangent by best fit from AutoCAD Civil 3D points

  1. Set the profile view style Vertical Exaggeration value to 1.0000. See Creating and Editing Profile View Styles for more information.
  2. Click the profile. Click Profile tabModify Profile panelGeometry Editor.At the Command prompt, enter EditProfileLayout.
  3. In the Profile Layout Tools toolbar, click Float Tangent - Best Fit.
  4. Select an existing fixed or floating profile entity to which to attach the best fit tangent.
  5. In the Tangent by Best Fit dialog box, select From COGO Points.
  6. In plan view, select two or more points. Enter G to select a point group or N to enter points by number.

    As the points are selected in plan view, an X marks each regression point and a temporary, dashed tangent is displayed in the profile view.

  7. Press Enter to complete the command.
  8. In the Panorama window, use the Regression Data vista to modify the regression points.

    As you highlight a row in the Regression Data vista, the corresponding regression point in the drawing window is highlighted in red.

  9. Create the tangent:
    • Click to create the tangent and keep the Regression Data vista open.
    • Click to create the tangent and close the Regression Data vista.

To add a floating vertical tangent by best fit by clicking on screen

  1. Set the profile view style Vertical Exaggeration value to 1.0000. See Creating and Editing Profile View Styles for more information.
  2. Click the profile. Click Profile tabModify Profile panelGeometry Editor.At the Command prompt, enter EditProfileLayout.
  3. In the Profile Layout Tools toolbar, click Float Tangent - Best Fit.
  4. Select an existing fixed or floating profile entity to which to attach the best fit tangent.
  5. In the Tangent by Best Fit dialog box, select By Clicking On The Screen.
  6. Select at least one point in the drawing.
    Note

    You can use OSNAP or transparent commands to select points.

    As you select points in the drawing window, an X marks each regression point and a temporary, dashed tangent is displayed in real time.

  7. Press Enter to complete the command.
  8. In the Panorama window, use the Regression Data vista to modify the regression points.

    As you highlight a row in the Regression Data vista, the corresponding regression point in the drawing window is highlighted in red.

  9. Create the tangent:
    • Click to create the tangent and keep the Regression Data vista open.
    • Click to create the tangent and close the Regression Data vista.

To add a floating vertical tangent by best fit from existing entities

  1. Set the profile view style Vertical Exaggeration value to 1.0000. See Creating and Editing Profile View Styles for more information.
  2. Click the profile. Click Profile tabModify Profile panelGeometry Editor.At the Command prompt, enter EditProfileLayout.
  3. In the Profile Layout Tools toolbar, click Float Tangent - Best Fit.
  4. Select an existing fixed or floating profile entity to which to attach the best fit tangent.
  5. In the Tangent by Best Fit dialog box, select From Entities. Specify the tessellation and mid-ordinate tolerance settings.
  6. Select one of the entities listed on the command line.
    Note

    You can select several types of entities listed on the command line.

  7. If you selected a profile entity, specify the starting and ending station on the Specify Station Range dialog box.
  8. Repeat steps 6 and 7 to select other entities from which to create the best fit tangent.

    As you select entities in the drawing window, an X marks each regression point and a temporary, dashed tangent is displayed in real time.

  9. Press Enter to complete the command.
  10. In the Panorama window, use the Regression Data vista to modify the regression points.

    As you highlight a row in the Regression Data vista, the corresponding regression point in the drawing window is highlighted in red.

  11. Create the tangent:
    • Click to create the tangent and keep the Regression Data vista open.
    • Click to create the tangent and close the Regression Data vista.

Ribbon

Click the profile. Click Profile tabModify Profile panelGeometry Editor

Menu

Click Profiles menu Edit Profile Geometry.

Command Line

EditProfileLayout

Profile Layout Tools Toolbar Icon

Float Tangent - Best Fit

Dialog Box

Profile Layout Tools

Tangent by Best Fit

Regression Data


Was this information helpful?