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Found 9 results

  1. Hello all - I'm jim - New to forum, and auto cad. Over the last few weeks ive been using this site and others to learn AutoCad. I have gleaned lots of useful information however i'm struggling with UCS rotations/ Drawing 3D in a lsp. I'm half way through developing my first lsp that calculates the difference in X,Y,Y. It then draws lines showing deviation directions (for example deviation from design). X and Y devition lines seem to be working ( not fully tested negative coordinates yet) but I cannot resolve the Z line. I have highlighted area that is causing probl
  2. Working on a utility to rotate polar type array half the angle between items to create a stagger effect of multiple concentric arrays. As far as my research turned up, there is no lisp property for the center point of the array. An array seems to be an anonymous block who's insertion point is always WCS (0 0 0), so if I apply a rotation property it does it from that point and not center point of array. Solution 1: Select the array, highlight grips with (sssetfirst), (getpoint) the center grip the rotate from that point... [not crazy about this option] Solution 2: Select the ar
  3. I am trying to make a dynamic block to somewhat mimic the 3D Revolve command, since I can't Sweep or Revolve 3D entities in the dynamic block, I want to fake it by making a revolved curved piece that travels 5° increments of a circle at a time, the dynamic part would be to make it copy itself end to end using the same axis as the part. I tried polar and rotate, they won't copy AND rotate, they always stay in a straight line. Anyone know how to do this? Thanks! R.L. Hamm
  4. Hi everybody, I've been reading tutorials about entering surveyor data, but still there is something I don't get it. Let's say I want to draw this scan in autocad (I already know how to enter relative xy/polar coordinates). I guess I should start the polyline at point named 1 and then enter @134.09 Segment 1-2 is visible less than 90º north, but even if I draw a visual aproximation angle for 1-2 to start de drawing, how would I then add the second segment 2-3 with the new bearing respect 1-2? How would I get a true to scan polygone? I will be gratefull of there is any explanatio
  5. Is it possible to use a command or button when you are drawing something? For example; I've made a toolbar for changing the polar angle into different angles. One for 30 degrees, one for .... degrees, etc. If I am drawing a polyline, and I need to change this angle, I can not use any button from this toolbar, otherwise the command stops. I can use the polar button to change the angle, at the bottom of the screen, between the other status toggles. I can use these status toggles any time. But because I need to switch very often, it takes a lot of time to use this. I also want to
  6. Hi, I've always used polar tracking instead of ortho mode where possible, but just recently I've noticed that it seems to be a bit 'off' when drawing verticle lines. I first noticed this issue a few days ago when I offset a horizontal line but the extreme right verticle line would not trim. When I zoomed right in, the lines were not touching. I made a few tests by drawing 6 verticle lines, 2 each at 1000, 2000 and 3000 units in length, using polar tracking of course. I looked at the co-ordinates of all the lines vertices and the X values did not match, indicating a diagonal line, albei
  7. Hi AutoCAD members, I have a very frustrating issue with placing my repeated pattern of holes. I want my holes to be equally spaced from one & another, but the XLINE can only start tracking from the 1st Circle. ie: each circle have to be 0.25 mm apart from each other. Worked well for the 1st one, but the second one does not lock on the line anymore. Please tell me what function I need to enable to do this. Refer to attachment for more info. Thank you very much in advance. Can track from Circle 1 >>> But cannot track from Circle 2, why??? >>>
  8. In this portion of a continuing program I'm putting together, a 4' block is inserted at a user point at a defined angle, then it is again inserted but this time 4' away at the same angle so that the two blocks form an 8' line. This is continued until the user stops the program. However, when the second block is inserted, it is rotated correctly but inserted somewhere north of where it is supposed to be. Obviously my polar calc or something is off: (defun c:blockinsert () ; ; ; ;part 5 of overall program ; ; (setq p1 (getpoint "\nSELECT POINT: "));user inputs first point (setq p2 (getpoi
  9. So i am confronted with this All my polar tracking options are turned to Zero. (sorry, no pic) strangly enough its does give me one tracking option (read line) wile drawing at 5° and when i draw a square it seems like my plane is off a bit (prolly 5°, looks like a perspective) Tried fiddling around with the DSETTINGS command but nothing goes. so i s my plane off, UCS off, am i a retard Hopefully this is a simple answer , also i get sometimes 1 out of 10 times an innorect SNAP ( snap to a point and its off by a 0,x margin. i Maybe this is connected? I tried google
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