Category Archives: Polylines

AutoLISP: Continue Polyline

Posted on November 3, 2011 by AutoCAD Tips

ONE YEAR AND 196 POSTS!!!! One year ago today, I started this blog in hopes to have reference for AutoCAD tips in case I forgot them. After one year, I have made 196 posts and every week more and more … Continue reading →

Posted in AutoLISP, AutoLISP: Polylines, Modifying, Polylines | 11 Comments

AutoLISP: Mid-Point of Entire Polyline

Posted on October 21, 2011 by AutoCAD Tips

Here is a simple and great routine. This routine places a “point” at the mid-point of the polyline. Usually, you can simply snap to the mid-point of a polyline segment. But if you want to simply find the mid-point of … Continue reading →

Posted in AutoLISP, Polylines | 7 Comments

Lengthen Polyline Endpoint & Vertex

Posted on October 19, 2011 by AutoCAD Tips

I have previously posted about using the LENGTHEN command, which is helpful, but the LENGTHEN command doesn’t work on polylines. Here’s how to lengthen a polyline segment whether it is an endpoint or a vertex. The examples shown in this … Continue reading →

Posted in BASICS, Modifying, New in 2011, New in 2012, Polylines | 2 Comments

AutoLISP: Perpendicular to Entity

Posted on October 13, 2011 by AutoCAD Tips

Here’s a handy routine that lets you draw many perpendicular lines to any type of object. This can be done manually by using the perpendicular Osnap, but this routine lets you do this quickly. Very handy for curved objects. As … Continue reading →

Posted in AutoLISP, Polylines, TIPS | Leave a comment

AutoLISP: Break Polyline Segments

Posted on October 7, 2011 by AutoCAD Tips

Here’s a great routine that lets you break a polyline segment. Simply select the segment that you want to be a separate polyline entity from the ones that it was initially created with. This routine works on closed polylines line … Continue reading →

Posted in AutoLISP, Modifying, Polylines | 2 Comments

AutoLISP: Break At Distance

Posted on September 24, 2011 by AutoCAD Tips

Even though this routine prompts you to select a curve, this routine can be used on other objects as well. You simply select an object near the endpoint where you want to start from then specify a distance along the … Continue reading →

Posted in AutoLISP, Modifying, Polylines | 6 Comments

AutoLISP: Break Polyline at Vertex

Posted on September 24, 2011 by AutoCAD Tips

You can always explode a Polyline if you need to break your polyline into individual segments. This method will make the polyline into individual lines. But what if you would like these individual segments to remain individual polylines? That’s where … Continue reading →

Posted in AutoLISP, Modifying, Polylines | 1 Comment

AutoLISP: Break at Intersections With A Gap

Posted on September 24, 2011 by AutoCAD Tips

Here is a very useful routine that breaks objects at their intersections and then creates a gap at the intersection on the first object that you select. Here’s how: BI <enter> to start Specify the gap distance.  <enter> (Note: the … Continue reading →

Posted in AutoLISP, Modifying, Polylines | 1 Comment

Select Individual Polyline Segment

Posted on August 29, 2011 by AutoCAD Tips

Here’s a useful quickie: You can select individual segments of a PolyLine and then edit the segments by simply holding the CTRL button and then individually picking the segments. In the example below, I selected the individual segments and then … Continue reading →

Posted in Modifying, Polylines | 5 Comments

Spline to Polyline Without LISP

Posted on August 4, 2011 by AutoCAD Tips

So, after all those posts about LISP routines that change Polylines into Splines and Splines into Polylines, I saw a video on Cadalyst’s Website that shows how this is available in AtuoCAD since 2010. This is very handy because you … Continue reading →

Posted in BASICS, Modifying, Polylines, TIPS | Leave a comment