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  1. Hi guys, There are a number of forum topics around the internet asking similar questions, each with good answers (e.g. Lee Mac here) but so far I haven't found an answer to my problem. What I would like to do is extract information from several long polylines (each on specific layers) and create a csv text file of the output, saved to the same directory and with the same name as the .dwg file. I need each row of the .csv file to contain the coordinates of one point on a polyline (X,Y,Z) but then additionally include a fourth 'label' column which would be in the format: [Drawing
  2. Hello Everyone! I am using vanilla AutoCad (R14-2012) and was wondering what the best solution would be for this problem (other than manually drawing each outline which I currently do!) I am looking to draw polylines along each point creating a polyline outline (perimeter) around the selected points. This in itself is quite difficult to do well(haven't found a great method yet) but there are multiple groups of points that I would like polylines around without selecting each individual group of points (in an ideal world). I realize that getting something 100% right is impossible an
  3. I'm not a programmer. I'm looking for a function to extract from autocad all the coordinates of polyline vertex with autocad handle. I work with autocad map 2012 and 2013. Help in that regard would be appreciated.
  4. Good day, dear Forumers, just recently our company partially switched from AutoCAD to Inventor, my department however still works with AutoCAD. This however means that I am required to edit "2D" sketches made with inventor. After struggling a bit with converting the new format into something I can actually select, I've come across a new problem: once I dissolve the block which contains the main model I am unable to convert the resulting lines into Polylines. only 50% of the lines actually connect to their adjacent lines/arcs. This means I have to redraw half the model, which, as you m
  5. So I am trying to make a site map for a building my buddy just bought. I found a lot map on the city's online database, cropped it to the area of his lot's block, and saved the image file. I then opened up a new autocad file and xreferenced the image. I know the front of his building on the site is 45' so I made a polyline that is the length of the facade over top of my xref image. Then I selected the image, used the scale command, selected one side of my polyline as a basepoint, used reference, entered 45' as the known length, and then selected the other end of the polyline. My image scaled b
  6. Hi. I am having trouble with some coding I found elsewhere. I would appreciate it if anyone could give me an insight as to how adjust the coding so that it works. [url="http://www.surveydrawing.net/wp-content/uploads/2012/06/mlin1.png"][img=http://www.surveydrawing.net/wp-content/uploads/2012/06/mlin1.png][/url] [color=#ff0000] ([/color][color=#0000ff]vl-load-com[/color][color=#ff0000])[/color][color=#ff0000]([/color][color=#0000ff]defun[/color] c:MLin[color=#ff0000]()[/color] [color=#ff0000] ([/color][color=#0000ff]setvar[/color][color=#ff00ff] “luprec”[/color] [col
  7. Hello you all I am so frustrated about one thing that has been changed in the newest version (2013) Before, in PL command, 2D, I could point my marker at one snap point on a line for example, then I drag my marker to one direction towards where I want the Polyline to start. I write in an number (ex. 1000 mm) for the distance from the snap point, and ENTER it. The polyline starts now 1000 mm from the snap point I chose. NOWADAYS it attaches in an RANDOM, and for me, inappropriate place on the current drawing when I ENTER the distance Is it some settings I have to cha
  8. Hi, I need to calculate distance between two points along a polyline. These points may exist on different segments of the same polyline. Maybe there is a function, I couldn't find it. I'd be very grateful for your help.
  9. thpals

    Polylines appear extremely thick

    I'm using Autodesk Map 2005 and I have a problem that I can't solve: When drawing with polylines, they appear EXTREMELY thick (24.300). Sometimes it doesn't happen and sometimes, in the middle of a work, this situation comes up. If there is somebody out there who can tell me how to adjust the system, so all lines appear just thin, I would be very grateful !
  10. Hi all: I like using Lisps, but don't know how to write code for them. I like this particular lisp created by Mosad Elewa and posted on Cadalyst.com. When trying the lisp on a polyline, it did not work. Seems to only work on a "line". Here's the code: ---------------------------------------------------------------------------------------------------- ;;;CADALYST 02/07 Tip 2180: DIV.LSP Modify Divide © 2007 Mosad Elewa ;DIV.LSP BY MOSAD H. ELEWA (1996) (defun C:DIV () (setq ent (entget (car (entsel "\nSelect object to divide")))) (setq
  11. Hi, Can anyone help me to write a lisp function to sort the points (assume the intersection points) on a polyline? With my code, I have a polyline object and a set of intersection points on it. I need to calculate the cumulative distance between those points and vertex points consecutively. Thanks,
  12. hi i am making a wiring to autcad blocks using polyline and then i make fillet to smooth the angle, what i need is after making all wiring i want to trim the wire that is pathing internally thanks in advance for any help the snapshot picture at
  13. I am in a hurry with the project so I don't have time to write this lisp myself specially couse I don't have any experience in it, so if anyone can help that would be great. Anyway I have a lot of parcels drawn in autocad and what i need to do is trim all the polyline endings and intersections and insert a point in the middle. Manually I do it this way: - first i make circles (radius has to be 0.5) on the endings and intersections of polylines - then I trim all the lines inside the circles - then I insert a point in the center of circles and at the end delete circles. There is also
  14. 1st Post, woot woot. I searched through many of the existing forums but couldn't find one that addressed this issue... I work a lot with polylines, to create design contours. I usually have a contour at the bottom or top of a hill, then I use the 'offset' command to offset the line to conform to a 3:1 slope as far as I need, to tie into the existing topo. My problem is, after offsetting all these plines, they are all at the same elevation as the original line. Is there a faster way to change the elevation than clicking on a line, entering the elevation in the properties window,
  15. HELLO AGAIN CADTutor! I have a problem of weather of not you can change the accuracy of the calculation of areas in AutoCAD 2011. In my line of work, we need to find the areas to exact precision, though it seems that my AutoCad is messing with the calculations and rounding up. E.G AREA - .017666 and turns it into .002 I calculate the Area thorught the usage of Polylines, and or the area command when i need to. Can anyone please help me find some insight on to this, mabye to change it to give me EXATE AREA!? Any and all help is greatly appreciated, those who are dee
  16. I need help to calculate area of multiple closed polyline shapes. In my drawing I could have hundreds of shapes as shown in the picture. I want to find total of the shaded area by adding the area of the outer shapes. Then subtracting the area of the Inner shapes. Maybe there is a better way to do it? Any help would be appreciated. Thanks.
  17. I'm having issues in a particular drawing with moving a single polyline. I'm trying to move one polyline, but it instead moves all connecting polylines and some nearby polylines. My specific example: I have a layer for the existing house, a layer for a hedge, and a layer for a fence. The polyline for the hedge is currently touching the polyline for the house and the fence polyline is next to it (but not touching). When I click on the hedge and try to pull it away from the house (whether from the end grips or midpoint) it will also try to move the polyline of the house that it's touching an
  18. I'm making a polyline arc and would like the arc to go the other way. What button do I press to make that happen? I stumbled upon it one day, but have forgotten the button. Anyone know?
  19. Hi, I'm a french user of AutoCad, so I hope my english will be great. I work in public work. For a new project, our client gives us : *___a large amount of plan representing *____________"pull box" (burried in the ground) *____________section of cables connected to the pull box. *___for each plan, we have an excel table which give us for each section *____________the start pull box *____________the finish pull box But we don't have the length of section in this table. We have a lot of plans and for each plan, there are lot of section. Pull box are block with attr
  20. Could someone help point me in the right direction here? I want to filter a selection of polylines (contour lines) by their Z value (ie filter to get only 10' or 5' or 2' contours). I assume I need to test the Z value to see if it is a muliple of 10, 5 or 2, etc... Any hints on hhow to get this sarted? Thanks
  21. Hi i required a lisp to draw a poly line along with 2 closed poly lines. If i pick 2 vertexes on 2 polygons, 1 new poly line should be created between these two points along with polygon walls. can any body help. Please refer screen shot for your reference thanks, Prasad
  22. Hi all - I created a lightweight polyline by filleting two straight polylines to create 1 polyline that contains an arc. I would like to convert the arc into a series of straight polylines that mimic the original shape of the arc, while not disturbing the straight parts of the polyline. I found a .lsp routine that does this perfectly, but it only works for the older heavyweight polylines. Can anyone help modify this routine so it works for lightweight polylines or provide another suggestion? Id rather not convert to heavyweight, use the routine, and convert back to lightweight. Thanks so much!
  23. Morning all, I am very very new to autocad and trying to solve an issue I have at work regarding line types not showing up correctly. I have several .dwg files which I attach using XREF so that I can ensure I have the latest versions combined. The problem is that the line types do not show up correctly. After looking up on google I have found that this is a problem due to it being a 3d model rather than it being flat. I managed to half solve the issue by inserting each drawing into one, then exploding the whole image. Then changing the scale in the bottom right to around 1:200 to ma
  24. I need to know how to get the start and end points of a polyline. I'm a rookie at this and just learned how to pull out the start and endpoints of a line and when I went to do it to a polyline I was completely lost. Another question: I use a comand that takes a line and turns it into a perforated line with each segment being a separate poly line. It creates them all in order down the line. Immediately following this command, would there be a way to call the first poly line created to extract its data, without manually selecting it?
  25. Hi All I have been searching for a way of exporting multiple polyline or spline coordinates to txt file and all I can find is ones that write out as a single continuous list of coordinates with nothing denoting which one is which. I really need it to be able to export each polyline as a group, and I would also love for it to be able to include the number of points and name of the layer eg: polyline 'number of points' 'layername' 0.0 0.0 0.0 1.0 1.0 0.0 2.0 2.0 0.0 polyline 'number of points' 'layername' 0.0 0.0 0.0 1.0 4.0 0.0 2.0 8.0 0.0 and so on..... Any help with this
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