Convert 3d Polyline To 2d Cad

2d polylines are coplanar objects. Click modify tabdesign panelconvert 3d to 2d polylinesfind. If you want to just cut off the z coordinates of a 3d polyline make it appear 2d use the flatten command express tools to zero all z coordinates.
convert 3d polyline to 2d cad

Use the convert 3d to 2d polylinescommand to convert 3d to 2d polylines.

Convert 3d polyline to 2d cad. After you load the program autocad prompts you to type pl32 to start. Select the polylines to convert. You can use a lisp utility to perform the conversion to a lwpolyline eg. You can assign elevations to 3d polylines with the feature line elevation commands.

Use the convert 3d to 2d polylines command to convert 3d to 2d polylines. Go through each step of it and youll get the option to convert 3d polyline to 2d polyline. The flatshot command converts the whole view into a 2d drawing. Click modify tab design panel convert 3d to 2d polylines find.

Convert 3d polyline to 2d polyline there are various polyline types in autocad the most common of which is usually the lwpolyline lightweight polyline. Mapclean is your command. The flatshot command converts the whole view into a 2d drawing you can explode the 3dpolyline and then peditjoin pljoin the resulting 2d lines segments back to a 2d polyline. The new polyline will take on the elevation of the start point of the 3d polyline.

Expand the project panel with the arrow next to its name and from the expanded menu choose the function convert 2d to 3d polylines convertplines or convert 3d to 2d polylines convert3dpolys. The pl32 command from the cadalyst september 2003 code pline 3d 2dlsp. Use this utility if you need to modify the elevations of individual vertices of a 2d polyline. The new polyline will take on the elevation of the start point of the 3d polyline.

Select the polyline s to convert. After you enter pl32 autocad prompts you to select 3d polylines shown highlighted in figure 1. It can be confusing because the lwpolyline and the old polyline entity used way back in the early days of autocad are both shown as a polyline in the properties window. Press to complete your selection at which time the routine converts the polylines to 2d figure 2.

There are several ways to convert a three dimensional polyline 3dpolyline entity to a standard 2d polyline lwpolyline. Note that the 2d polylines retain their layer dependence. When converting entities of the type 3d polyline to 2d the vertex z coordinate information is lost.