AutoCAD 2013 :: How To Convert Arcs Into Several Straight Lines
Oct 30, 2013
I have a giant polyline containing a mix of arcs and straight segments, and I would like to convert all of the arcs into a series of small, straight lines so that I can use the polyline with a plug-in I wrote to use the polyline as a selection polygon.
Someone mentioned something about WMFOUT and WMFIN but that gave me some pretty weird, wobbly lines as a result and plus it didn't scale things the same when I used WMFIN.
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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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Feb 12, 2013
How can I convert arcs to splines.
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May 6, 2013
I need to crop image in autocad, path for croping is made of lines and arcs and one picture needs to be croped with circle. Is it possible to crop this way?
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Dec 6, 2011
Total buffoon when it comes to getting GIMP to do what I want to do. I'm just practicing with making maps, black lines on a white background, and I've run into some issues I'm wondering if I can get rectified.
1) For whatever reason, the line weight of everything has shifted throughout the file, ending with some lines lighter and grayer than others. Is there a way I can get GIMP to trace all the lines in a uniform black, with uniform thickness?
2) I have tried locking the white background, but often when I select and move my black lines, if I don't click in just the right spot it moves the white background instead, which is really, reeeaaaly aggravating. How Do I get that background to be completely untouchable?
3) In trying to colour the image, I've run into problems with their being a white outline between the colour and the black lines. I think I need to sharpen the image or somesuch? How can one correct this issue?
4) Is there anyway to convert the black dotted lines of the paths tools into straight black lines, in regards to an older file? If not, is there an easy way to trace them?
5) I find the scale too tends to make my image too jagged. I want to take a section of my map, move it too another file and enlarge it to do detail work - what's the best way to do this in order to have a clear image?
6) Any way to translate an image from a MErcator Projection ot a Winkell-Trippel projection, one that works on a Mac?
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May 7, 2013
Version: Autocad 2013
I have a problem drawing straight lines. Normally, like everyone, I will start from any given point and the line i wish to draw will snap to 0, 90 or 180 degrees. However there is now no snapping and no straight lines.
I have tried resetting SNAPANG to 0 (it is already set to 0) and this works for maybe the next 3 lines but then I am back to square one and cannot draw a straight line without constantly having to reset SNAPANG.
I've tried resetting USC to world. I've also tried changing PLAN to view and world.
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Apr 1, 2011
Is there a way to make a object with straight lines to change the straight line to be undulated like a curly.
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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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Aug 17, 2003
how do I make straight lines? Horizontal Lines? Vertical Lines? Curvs? I read many tutorials and i am afraid that I am doing it the wrong way, my way is to drag a guide to where i want the line to be at and trace the guide with the brush tool...
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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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Dec 24, 2013
Using VB.NET
How to draw connected line arc line arc line and so on, given some points formatted in a file like this
easting northing radius
0 0
10 10 200.00
12 10 150.00
30 20 60.00
50 30 50.00
50 43 60.00
1640.42 1104.30 50.00
1770.20 1100.62 100.00
1850.00 1085.18 100.00
2002.61 1141.46
the output will be like this :
line arc line arc line arc line arc line arc line arc line arc line arc line
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Jun 28, 2013
3 lines. 2 arcs. All coplanar, all meet end-to-end.
I set "Units/precision" to 0.00000000 and inspected them. They are all x=0 for each endpoint, therefore coplanar. I also did a point "ID" command and checked each endpoint approaching from both sides and confirmed that each pair of results was identical, so all the ends meet exactly.
I was under the impression that Join or at least PEDIT should be able to combine coplanar lines/arcs that all meet end to end into a polyline. Also, using the Express Tool's "FLATTEN" command doesn't work.
The reason I'm doing this is because I've drawn lines/arcs that trace along the midpoint of a sheet metal's material thickness, and this sheet metal has two bends in it and isn't flat anymore, so converting the lines/arcs to a single polyline will tell me how long the flat plate needs to be that will be ordered to create it.
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May 31, 2012
The arcs in the object i have drawn gets converted to lines when i mirror the object.
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Jan 26, 2012
In both model and paper space, rectangles with corners filleted look fine. However, the filleted curved corners are not joined with straight lines once it's exported/plotted to PDF. I have to zoom in very closely to see this, so it won't be a big problem for actual printing. But I can't figure out why the lines are broken on PDF when they are well joined in both model and paper space.
I tried changing PDF quality, plot style, and anything I can think of, but to no avail.
Autocad 2012 on MAC, 10.7.2 with Acrobat X.
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Jul 9, 2012
The user is unable to add any sort of Lines, Arcs, etc to an existing file. However not all files behave this away. It seems like there must be some sort of a lock or a security item in place to prevent changes being made.
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Jul 13, 2007
how to join line or polylines with ellipse arcs or circle arcs and now.. I give up! Here is my problem: What I would like to draw can be compared with a pear: a succession of circle arcs ellipse arcs and maybe polylines. Once the profile done, I was planning to use REVOLVE or (EXTRUDE + FLLET) to finish my drawing... the problem is that I can't join 2 ellipse arcs from different ellipses (which means neither with a circle arc. How would you proceed to draw a pear?
PS: I'm using autoCAD 2006 z.54.10 version
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Sep 6, 2012
I am looking for a way to use objects created from lines and arcs as text because of a machine that will not read text. The objects look like letters and numbers. I am wondering if there is a way to create a text style, library or whatever with the created "text". There can be hundreds of characters on a single drawing so importing and aligning and placing each object 1 at a time is very slow and painstaking.
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Oct 18, 2011
I've been trying to figure out how to do this. I have a file with 41 drawings, and 7650 objects. and i want all the lines, arcs and circles to be turned into polylines. Now the Mpedit command doesnt really do it for me.
Command: MPEdit
Select objects: Specify opposite corner: 4632 found, 10 groups
Select objects:
divide by zero
This is what happens when i write MPEdit, mark everything in my drawing and press enter. Now i also tried marking a line, using select similar, and fixing it that way. but i get the "divide by zero" error aswell.
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Dec 13, 2012
I've looked at adding spaces to a plan that is simply lines and arcs... no intellegent objects.
It could get somewhat messy doing Generate Spaces... if the doors and swings are frozen the bounding objects don't get found... but if the doors and swings are on... the spaces go in fairly well... but then the door swing is used as a boundardy.
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Mar 29, 2013
Using VB.NET, how to create a new polyline out of existing lines and arcs? I am converting existing VBA code into VB.NET, developing in AutoCAD 2010 using VS Professional and I just stumbled into this road block.
Without using programming code, this task can be accomplished via AutoCAD command by typing the PE command, selecting the JOIN option and then selecting any lines or arcs which should be combined to form a polyline.
Using programming code, however, I am quite stumped on this task. I have been able to successfully create the lines and arcs which should form the polyline, and they are all connected as well so they would form a connected polyline; I simply do not know how to proceed from here.
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May 22, 2013
Is there any way one can convert an imported photo in Jpeg or Bmp or Tiff or any other format into lines in a drawing?
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Nov 24, 2011
For some reason, GIMP is putting straight lines off of any line I draw (paintbrush, ink or pencil) and while it's pretty cool, I'd like to be able to draw properly.
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Jan 9, 2014
so in the old illustrator i was able to export to a dxf with lines and arcs and autocad options and now there is no longer a prompt for such thing and after exporting it turns a circle into little straight lines instead of arcs....
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Dec 5, 2012
I am exporting to Adobe and AplhaCam, when ever I send DXF or DWG files, the Circles or arcs are segmented.
How do I make not so segmented?
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Dec 10, 2012
Using AutoCAD Civil 3D 2013, now installing Service Pack 1 (kept crashing, this time it's working though), and I'm trying to find the area of a pathway that I've drawn in 2D with standard lines. Using the area tool, I want to find the area of the path, but it arcs around a 180 degree corner. I tried getting a rough estimate of the area by clicking at several points along each of the arcs, but after clicking a point where the arc joins the straight line of the straight section of the path, it literally won't let me click the next point. I can, however, specify the next point as long as it's nowher near the arc. Same goes for the polyline tool.
Just got an error code for the Service Pack installation, too. "A problem prevented the service pack from being installed, contact your administrator. Error 1603"
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Aug 29, 2012
I am using Ortho Mode F8 on. This has been giving me perfect lines on screen. Now for some reason i have kinks in almost all my straight lines. I am sure i have hit some setting. Also I have lived it with so long I cannot use undo.
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Oct 3, 2013
I'm in a drawing file and I have some straight lines that when I'm a little zoomed out they look all jagged, but as I us my mouse scroll wheel to zoom in, the closer in I zoom the jagged line segment start to come together into one continuous line again.
Not all lines look jagged just some.
is there a setvar for this or a video card setting or something?
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Jul 4, 2013
I have received some electrical drawings that i'm making some alterations to. When i try to draw a line between fittings it just disappears. I'm not very experienced with auto cad and only really use it to alter drawings for final designs.
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Apr 16, 2013
I have searched the discussion groep and have not came up with any usefull information.
I have an inside web plate sketch that i want to offset but my offset does only do one line at a time.
So my problem basicly is that I want it to do the whole sketch in one click. Is it possible to join all the lines? or is there another function that I do not know of that will do this for me.
Attached is photos of the problem I have
1 picture - How do I join these lines
2 picture - How the whole sketch looks
3 picture - The offset does only do one line at a time (i want it to do the whole sketch)
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Apr 14, 2011
I have a student who is using AutoCAD 2010 and has Ortho set to on and for some reason it does not draw straight horizontal or vertical lines. They are off by about 5 degrees.
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Feb 20, 2011
I'm suffering to draw a circle connect with a arc and 2 straight lines for almost an hour ago.
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