AutoCad :: Convert Polylines To Closed Polygon

Feb 4, 2011

How do i convert a series of polylines to one closed polygon (so i can calculate an area, hatch it, etc)?

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AutoCad :: How To Draw 3D Polylines Or Convert Single Lines To Polylines

Oct 9, 2013

How to draw 3D polylines, or convert single lines to polylines?

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AutoCad :: Merging Polylines Into A Polygon?

Oct 22, 2012

What I want to do basically is merge a couple of polylines (which have different widths and may overlap each other) together into a single 'shape'. I am calling it shape, but I think the correct term would be polygon.

The end result should ("from the outside") look the same as before merging, the only difference being that the polylines are now merged into one shape. Important note: it cannot be a polyline with segments of different width, I know AutoCAD supports this, but the drawing will be exported to a format which does not seem to support this (and the result then is a line with a single width - wrong).

Here's a mockup of what I want to achieve:

On the left are three polylines (PL1, 2, 3), where PL2 has a different width and overlaps the other two polylines. On the right is the desired result: a single polygon (NOT a polyline with variable width) in the same shape as the polylines.

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AutoCAD Inventor :: Getting Closed Loops From Polylines In DWG Files

Feb 26, 2012

I am trying to import a complex curve from autocad lt (in my case an airfoil), to create parts.  I have drawn the curve in autocad lt as a polyline.  Autocad lt treats the curve as a single object, and seems to understand it as a closed loop. 

When I import the curve into Inventor lt, Inventor treats the curve as a series of unconnected line segments.  What can I do in either Autocad lt or Inventor lt to get Inventor to treat the curve as a single object, so that I can then extrude it?

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AutoCad :: Hatch Multiple Closed Polylines In The Same Layer?

Apr 9, 2013

Basicaly I have a plan of a part of a city and I want to fill the houses with a solid hatch, I was wondering if I could do them all at once instead of picking an internal point one by one (there are a lot of them!).

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AutoCAD Visual LISP / AutoLISP :: Saving Areas Of All Closed Polygon

Mar 4, 2013

I'd like to get areas from all closed loop polygons of my drawing and save them. 

From my point of view, the function would be to:

- hatch every polygon of my drawing
- for each hatch do
- extract area and put it in an array with the variables (name of polygon  and area).

And then is it possible to save it in a DWG or DXF file in order to reuse these areas by another program ?  

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AutoCAD .NET :: Selecting Closed Polylines With Linetype Generation Enabled?

Sep 5, 2013

I have a piece of code that needs closed polylines.

I use the following selectionfilter to filter the selection so I can only select closed polylines:

Dim sf As New SelectionFilter(New TypedValue() {New TypedValue(0, "LWPOLYLINE"), New TypedValue(70, 1)})
 
Today I noticed that in some drawings this filter won't select all the closed polylines for me.

After some experimenting I found the 'linetype generation' property of the polylines to be the problem. If this is enabled the above filter will not let me select a closed polyline. If I disable it, there is no problem.

How can I make my code for selecting closed polylines more robust? Is there a 'TypedValue' for closed polylines with the linetype generation enabled?

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AutoCAD Visual LISP / AutoLISP :: Creating Two Closed Polylines From One Shape

Jan 4, 2012

I have a series of boxes or polygones that I would like the program to find the 1/2 distance and create two seperate polylines from the one object. 

Example: 

I have a square with pt1,pt2, pt3 and pt4 respectively.  After I have ran the program it would create a diagonal from pt1 to pt3 and join the rest of the lines now to create the one polyline. Also it would do the same to create another exact polygonal shape for the other half. Thus creating two shapes of equal value from one.

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AutoCad 2D :: Draw Multiple Closed Polylines From One List Of Coordinates In Excel

Sep 22, 2011

I'm trying to create about 150 cross-sections, each consisting of 9 closed polylines of which I have created the coordinates. My issue is making the list of coordinates create separate polylines instead of one enormous polyline. Any way to setup the columns, perhaps with blank rows, some way of applying ASCII code, etc. to automatically break up these polylines? (even if they aren't closed that's fine, I just need to make the polylines separate.)

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AutoCAD Civil 3D :: Create Stage-storage Table With Six Closed 2D Polylines?

Nov 1, 2012

I'm trying to create a stage-storage table with six closed 2D polylines. They highlight when I select them, but nothing is loading in the Table?

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AutoCAD 2013 :: Perpendicular Osnap Not Working Correctly With Closed Polylines Grips

Dec 30, 2012

Just found the issue with my AC2013.

A bit of difference is that the polylines do not have to be even closed. Any polyline gives me exactly the described behaviour, which is definitely not intended. Appears still not resolved. 

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AutoCAD Civil 3D :: Option Or Lisp Routine To Create 3d Boundary From Closed 3D Polylines?

Jun 18, 2013

is there an option or a lisp routine to create a 3d boundary from closed 3d polylines?

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AutoCAD Visual LISP / AutoLISP :: Segregate Closed Polylines In Drawing By Area Range?

Mar 21, 2013

I need to segregate closed polylines in my drawing by area range. Ideally, I would input the number of ranges I need.

Then somehow find the smallest and largest pline area to determine the range values (rounding up to a sensble number)

Then with the ranges determined the polylines would be segregated and moved to new layers.

I've been trying to hobble together pieces but with no joy.

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AutoCAD Map 3D :: Convert Polyline To Polygon

Nov 28, 2012

I've MAP 3D 2013 64 bit (French version) with SP1. 

When I launch command to "Convert polyline to polygon" (_MapPolylineToPolygon), I've message on command line "Select objetcs", I can convert to polygon =>OK

If I launched this command a second time, I've no possibility to select object, I come back to command line.I quit MAP, then launch MAP, and I can use this command only 1 time.

This problem appears after SP1 was applied.

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AutoCad :: Convert Polylines In One

Jan 4, 2012

How can i convert more polylines to one?

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AutoCAD 2013 :: Convert 2D Polygon To Solid

Jan 9, 2013

Then I need to extrude it, but when I extrude, it's shallow. So this 2D polygon need to have face. I've tried 3DFACE but then I need to add faces manually. Is there any way to just specify this polygon and have it faced?

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AutoCAD Map 3D :: How To Convert Mpolygons To Polylines

Nov 27, 2013

I'm in search of a way to convert mpolygon objects to polylines in a way so they stay on its original layer. We use Layer Explode (lexplode) from Vianova but it doesn't work with Autocad Map 3D and they are not planning to develop it.

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AutoCAD .NET :: How To Convert Text Into Polylines

Oct 10, 2011

For my project, i'd like to convert Mtext into polylines (or lines or other...) with vb.net (why? because my company is working with laser, and laser can't write text like this, we have to convert it into lines/arcs/splines etc...)

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AutoCAD .NET :: Convert Arcs To Polylines?

Jun 25, 2011

I've got ObjectIds of a bunch of arcs that I need to convert to polylines for further processing.

I was thinking of using the COM interface and sending the PEDIT command and converting the arcs.

The only problem is I don't know of a way to put the objectids into a selection set, then call the pedit command and use the previous selection.

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AutoCad 2D :: How To Convert Polylines To Polygons

Sep 20, 2012

On my file I have some polylines that are the streets. So, they look like rectangles and curves, etc. I am working also on a 3D Model, and what I have to do next is to extrude them. The problem is that those polylines are not polygons, and so, they are not solids when I extrude them. I tried to use the command BO but it says that the lines are not closed, and I checked with OSNAP and they are! Is there any way to convert those polylines into polygons?

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AutoCad :: Convert Lines To Polylines?

Jul 15, 2011

how to convert a bunch of lines into one continuous polyline?

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AutoCAD 2010 :: Convert Elements Of Image (JPEG) To Polygon

Apr 22, 2012

Goal of the task : I need the area of different type of soil. I have an image of these different soil, but I need to create a polygon manualy for each and every one of these. This is to calculate the runoff coefficient of a watershed. 

As they are different by their colors (blue = lake, green = forest, etc), I would like to know if it is possible to convert these image to have an polygon usable in autocad, where I can calculate the area of each type of cover. 

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AutoCAD 2010 :: Convert Polylines To Points

May 18, 2012

I have a contour set created using polylines and I want to convert this to points. Can I do this in AutoCad 3D Map?

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AutoCAD 2013 :: Convert Polylines Into ARCs

May 6, 2013

I want to turn this shape on the left, into one like the one on the right... i.e., not so many points.

I basically want to convert the polylines into arcs or something. i can do this by redrawing, thats no problem, but this is a very simple drawing compared to what i normally have to deal with, this is just an example.

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AutoCAD 2013 :: Ellipses Convert To Polylines?

Oct 13, 2013

Is there a method of converting ellipses to polylines?

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AutoCAD Civil 3D :: How To Convert Sections Into Polylines

Jun 5, 2012

how do I convert a section that I created using an alignment and surface into a polyline.  I want to be able to manipulate and easily use the section for another program.

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AutoCad 2D :: Convert All Polylines On Layer To Blocks?

Mar 17, 2011

I need to convert all polylines on layer to blocks. Each polyline gets replaced with a block that is near the approximate center of polyline. it can also be at the first or last node of pline. or just near the center. (polylines are rectangular).

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AutoCad :: How To Convert A Region To Closed Polyline

May 13, 2011

I cant do booleans with polylines, for that I need to convert them to regions which I dislike because I lose edit vertex capabilities right? Also, from a region, how can I convert a region to a closed polyline in one go.

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AutoCAD Civil 3D :: Convert Pipe Networks To Polylines

Jul 1, 2013

I have a drawing that started as a pipeline network and am trying to easily convert the pipes to polylines or something of the sort to export to shapefiles.

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AutoCAD Civil 3D :: Any Way To Convert Group Of Lines To Polylines

Nov 1, 2012

On several occasions I have had to convert a group of lines to polylines but had to select and convert each line one after the other. Instead of one after another is there a way or a command to select all the lines and convert them as group into polylines?

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AutoCAD Civil 3D :: Convert Multiple Polylines To Arcs

May 22, 2012

I have many segmented polylines that I need to turn into arcs. See the attached image for the method I use to create an arc from a single polyline. I need to do this to thousands of polylines. Does some other method that can do many polylines at once?

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