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How to Modify Polylines

To Modify Polylines:
  1. Select polyline to edit so that, it can view grip points of polyline.
  2. Select Grip point you want to edit, and strech that point.
To Add/Remove vertex in polyline.
  1. Select a polyline in which you haveto add vertex so that,it can view grip points of polyline.
  2. Keep your cursor on the vertex point untill a drop list is shown.
  3. Select add/ Remove vertex option.
To convert a line segment to Arc segment.
  1. Select polyline to edit so that, it can view grip points of polyline.
  2. Keep cursor on the grip point untill it shows drop down list.
  3. Select convert to arc from drop down list.
  4. Specify a midpoint for the arc.
To convert arc segment to line segment.
  1. Select polyline to edit so that, it can view grip points of polyline.
  2. Keep cursor on the grip point untill it shows drop down list.
  3. Select convert to line from drop down list.
To Change poly line width
  1. Click Home tabModify panelEdit Polyline.  Find
  2. Select the polyline to modify.
  3. Enter w (Width) to specify a new uniform width for the entire polyline.
  4. Enter the width for all segments.

                                                    OR

Command: PEDIT

Select polyline or [Multiple]: //select your poly line

Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: W //This prompts autocad to change the width of polyline by user defined value.

Specify new width for all segments: 10 (Enter) // press Esc to leave polyline.

To change width of individual segment
  1. Click Home tabModify panelEdit Polyline.  Find
  2. Select the polyline to modify.
  3. Enter e (Edit Vertex).

    The first vertex is marked with an X. Move to the appropriate vertex with Next or Previous.

  4. Enter w (Width).
  5. Enter the starting and ending widths.
                                                    OR

Command: PEDIT
Select polyline or [Multiple]: //select your polyline

Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: e //This will prompt AutoCAD to edit vertx of poly line.

Enter a vertex editing option
[Next/Previous/Break/Insert/Move/Regen/Straighten/Tangent/Width/eXit] <N>: w //This will prompt AutoCAD to change width of polyline as per user defined value.

Specify starting width for next segment <0.0000>: 10

Specify ending width for next segment <10.0000>: 10

Enter a vertex editing option
[Next/Previous/Break/Insert/Move/Regen/Straighten/Tangent/Width/eXit] <N>:  //Press ESC to exit the command.

To convert it to spline fit polyline:

  1. Select the polyline to display its grips.
  2. Right-click and select Polyline  Spline Fit.
                                                          OR
Command: PEDIT

Select polyline or [Multiple]: //select your polyline
Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: s //This will prompt AutoCAD to change polyline to spline fit polyline.

Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: //Press Esc to exit the command

To convert to Curve fit polyline:

  1. Select the polyline to display its grips.
  2. Right-click and select Polyline  Curve Fit.
                                                            OR
Command: PEDIT
Select polyline or [Multiple]: //select your polyline
Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: f //This will prompt AutoCAD to change polyline to Curve fit polyline.

Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: /Press Esc to exit the command

To remove the curve from spline fit or curve fit poly line:

  1. Select the polyline to display its grips.
  2. Right-click and select Polyline  Decurve.

Command: PEDIT
Select polyline or [Multiple]:  //select your polyline

Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: d //This will prompt AutoCAD to decurve the line

Enter an option [Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]: //Press Esc to exit the command

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