AutoCAD LT :: Command For Determining If Connective Arcs Are Tangent
Mar 2, 2012
Is there a command to determine if multiple connective arcs are tangent to one another? It is necessary with some of our CNC equipment that the closed shapes must consist of lines and arcs that are connective and tangent to one another to function properly.
How does one determine if the version of AutoCAD that is installed ( 2012 mechanical in this case ) is an x32 or x64 bit installation. Normally I would just look to see if it was installed under Program Files or Program Files ( x86 ) but it is located on D: drive under another folder so I don't have that option.
Not sure if this is something I'm able to do in Inventor...
I have a "damper", it's more or less a diesel exhaust flapper type vent, that hangs upside down and is held in the horizontal/closed position by a counterweight.
Typically we would experiment in the shop with the counterweight quantity and the length of the arm required to get the proper operation of the damper/flapper in respect to the air/exhaust flow.
Since we know the axis along the shaft for the flapper and the weight of the flapper and it's bracket on the arm...is there a way to figure this out in Inventor? Obviously it still may need to be dialed in/tweaked...but I'm not sure if it's even possible.
Inventor 2014 Windows 7 Pro SP1 Intel(R) Core(TM) i7-3770k CPU @ 3.50GHz 16GB RAM NVIDIA Quadro 4000 3D Connexion SpaceMouse Pro
I have written some code that draws a graph. The graph starts at the 0,0 default of AutoCad Model Space and goes +X and +/-Y. I want to redraw the labels along the X axis every time the Zoom is changed by the user, to change the text height and density of the labels. I need to know the the current Zoom in relation to the actual extents of the graph. Ideally I would like to redraw the text as a result of the "zoom event" I don't know if there is such a thing or not.
Essentially, I have an odd shape that I fill in with a hatching. SOMETIMES, it will give me the area in the properties window (or when I use the list command). but other times, it will not give me the area.
I just hatched 4 different (but same general shape) areas, and on 3 of them CAD was able to compute the area, but not the 4th hatched area.
I created all 4 hatches using the exact same steps, so I'm not sure what I could be doing wrong. The CAD Tech at the office cant seem to figure it out either .
I need determining the scale of a drawing I got from the internet in ratio form. the drawing itself has a little scale bar in the corner, however, since i do not know the measurements of the actual structure i have no reference point and therefore cannot figure out the scale in ratios.
I read on here that you can use general reference point such as the average dimensions of a door/window ceiling etc. but the drawing is a longitudinal section of a church, namely, Temppeliaukio kirkko, which has no 'standard' dimensions.
I need this drawing in 1:100 longitudinal section.jpg
I am looking to find out if the is a way of generating a stage storage table or volume table showing only the volume in the pond from the lowest intersecting existing ground contour to the top of the pond (to determine what would spill out of the pond in case of a berm failure) and if Civil 3D could make the determination of where that intersecting point is.
how do I go about determining the drawing units that are being used in a drawing? I want to be able to determine whether the units are set to feet, inches, millimetres, metres etc but can't fathom how to get this info using lisp.
I've got a persisitant problem with the publishing feature in autocad. I know how to set up bulk print of drawings using publish.
However the drawings are a mixed lot (some in paper some in layout). Is there a way to determine the state of the drawing without opening each one. In my case there is thousands of drawings and of course i do not have the manpower to inspect each one.
I just started my CAD classes. I have been doing basic 2d drawing and just learning the commands etc.
My question concerns polar coordinates. I know how they work, but are you expected to be able to get polar coordinates off lets say a hard copy drawing with no annotations.
My homework so far has always had the length of the lines depicted on the drawing but not the angles. So if I was required to replicate a drawing that had no annotation is there any way other than guessing or whipping out my protractor.
This is just a nagging thought as I strive to understand CAD.
If I have a "idw" file open containing an assembly (asm), and another "idw" file containing a part (ipt), how can I determine, using a VBA macro the type of file that I have used (either "assembly" or "Part")
If the "Idw" file contains an assembly, running the maco should say "assembly". If it contains only a part (ipt) then it should say "part"..Is this possible using a vba macro?
I have blocks that were created on one layer but inserted on another layer. So, when i turn the layer off that the blocks were inserted on they remain visible because you have to turn off the layer they were created on to have them disappear. Is there a way for me to determine what layer the blocks were created on?
I am basically trying to determine how many lines are in the mutliline attribute. I have abandoned the idea of directly trying to find the the number of lines and have moved on to trying to fine the height of the multiline attribute. I have included the lisp and sample drawing that will draw a box of the boundingbox around the mutiline attribute.
This block as originally a dynamic block that different visual states. I have tried using the bounding box option on the block itself, however, if there are blocks hidden with the visual state, it will draw the bounding box according to the largest element in dynamic block every time. So I need to determine the height of the multiline attributes instead and adjust the dynamic block accordingly.
we used AutoCad LT 98 & hasn't changed when opening the same files in LT 2014. All curved lines (arcs) that occur in a recently-opened file look like two straight lines with an angle at the mid-point, so that from a distance they still resemble an arc but not at all when zoomed in. When clicking on the control points, it goes to looking like a proper arc, but the change doesn't hold after the file is saved and reopened. Is there a program-wide setting to change, or do the properties of each arc need to be changed individually?
1st let me preface this with the fact that I know zilch, nada, nil about solid modeling. But I think the easiest way to accomplish what I'm trying to do is thru solid modeling and export the end result as (3D) polyline
What I have is 2 intersecting arcs with varying radii and ucs values. I'm guessing these could turned into regions and then subtract 1 from the other in order to find a list of intersecting points or maybe a splined pline. Or maybe they could be joined. Either way, if I DXFOUT the solids in R12 format, they become plines
Using AutoCAD Map 3D 2012 Im exporting a few subdivisions to MapInfo after doing my steps on a MAPEXPORT command to create a .TAB or .MIF / .MID which are the steps do below.
MAPEXPORT --> select format_ .TAB or .MIF ---> select my drawing manually ----> do my coordinate conversion -----> DONE..
When in MAPINFO and ready to open / import the exported .TAB it opens and places the drawings (subdivisions) in its correct coordinate I gave it, but the TEXT and ARC / CIRCLES do not come in to scale at all they are extremely large to a point where they can't be seen till I do a zoom all.
Whenever I try to trim two intersection arcs who have the same bending direction and similar radius, casue it is extremely hard to click on the parts that need to be trimmed off. See attached pic for reference.
I want to loft two rectangles using arc as a path , but i cant , 1st i cant draw the arc in 3d so i draw it in "Front" view , then i cant loft the rectangles using that arc as an path -"The selected entities are not valid" , maybe because i draw the arc in "Front"(bottom left), but i cant draw it in 3d?!! Here it is some screen shot:
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.