Question: Can I convert a 3D polyline to 2D AutoCAD?

Use the Convert 3D To 2D Polylines command to convert 3D to 2D polylines. The new polyline will take on the elevation of the start point of the 3D polyline. Click Modify tab Design panel Convert 3D To 2D Polylines Find. Select the polyline(s) to convert.

You asked, how do I convert 3D to 2D in Autocad?

Considering this, how do I flatten a 3D polyline in Autocad?

1. Turn off or freeze any hatch layers with hatch patterns so they are not included in the selection.
2. Type FLATTEN at the command line.
3. Select all objects and press the Enter key.
4. Type N for No when prompted to remove hidden lines.

Also the question is, how do you convert a polyline to a 2D feature line?

Best answer for this question, how do I convert 3D polyline to surface in Autocad? You can use the SURFPATCH command to convert a closed 3D polyline to a surface patch (3D surface). The command option _Curves and selection of the boundary control curve will create a patch surface associative to this curve.

1. Set up the view of the 3D model.
2. Click Home tab Section panel Flatshot.
3. In the Flatshot dialog box, under Destination, click one of the options.
4. Change the color and linetype settings for Foreground and Obscured lines.
5. Click Create.

How do I change from 3D to 2D in AutoCAD 2007?

To get a plan view, you can click View menu > 3D Views > Plan View > Current UCS. Or you can type PLAN at the Command prompt. To Switch between the 3D and 2D graphics display, click View menu > Visual Styles > 2D Wireframe or 3D Wireframe.

How do you convert a 3D polyline to a 2D polyline?

1. Click Modify tab Design panel Convert 3D To 2D Polylines Find.
2. Select the polyline(s) to convert. Press Enter.

What is Flatshot in AutoCAD?

The Flatshot command can be used to create 2D drawings by taking a shot of an existing 3D model. You just adjust the view angle as desired, and then use the command to create the 2D shot.

How do you avoid non coplanar lines in AutoCAD?

1. Select all of the lines to be modified.
2. Right-click and select Properties.
3. Set Start Z and End Z to 0 (zero) or another consistent value. The default may show “Varies.”

How do you convert map features to polylines?

In the map frame, right-click one of the selected polygon features and click Copy. Right-click the selected features again and click Paste. In the Paste dialog box, select the polyline shapefile as the Target and click OK.

How do I turn a survey into a polyline?

Isolate the selected objects in the drawing. On the modify ribbon > Edit Elevations panel, select ELEVATIONS FROM SURFACE, choose surface ZERO, uncheck all options then click OK. On the command line click Multiple (or press M then enter). Highlight the survey figures you previously isolated then press enter.

How do I add a feature line to my surface?

1. Right-click a feature line Add To Surface As Breakline. Note.
2. In the Select Surface dialog box, select a surface, and press OK. Or, select the Add button to create a new surface.
3. In the Add Breaklines dialog box, specify the breakline options. Press OK.

How do you make a 3d polyline surface?

1. Confirm that TIN surface is selected as Type.
2. Select the desired Surface layer and Style.
3. Click <> to close the Create Surface dialog box.
4. On the Prospector tab of the Toolspace, expand the Surfaces node.

How do you make a flat surface in Civil 3d?

What is weeding in Civil 3d?

Weeding is the removal of points along a selected polyline representing a contour. The weeding factors determine the amount of points removed. You can use weeding to reduce the amount of point information taken from the contours that may not be necessary to generate an accurate surface.