Revit :: Converting Spline To Polyline In CAD
Dec 7, 2011
The surveyor's CAD file includes a boundary line that is mostly curves. It's drawn as a spline. I'm trying to create a PROPERTY LINE in Revit. I've converted the spline to a polyline in CAD. In Revit, PROPERTY LINE sketch mode, I can hghlight the polyline but can't select what I've highlights. Only one of the polylines gets selected. So I have to try to select them all one at a time. converting a spline to polyline in CAD for use in REVIT?
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Sep 21, 2013
Due to modeling purposes, I need to convert a 3D polyline to a spline. What I have been doing is:
- change polyline fit/smooth to cubic from properties
- convert polyline to spline by typing spline -> object
- method -> fit from properties
You can see the original 3D polyline (green) and the resulting spline (magenta) in the attached drawing.When I zoom in and measure the distance between the two entities at different points along them, at some points the perpendicular distance exceeds 5 millimeters, and I want to ensure the deviation remains under 1 millimeter or even less.
I know I can change the knot parameterization of the spline, and this does work at some locations, but the difference increases at others.Why is there a 5.6 mm difference between the spline fit point and 3D polyline vertex, as measure in the attached drawing?
Now, I can go and manually stretch the fit point to coincide with the vertex. Also, I can add fit points between existing ones to drag the spline closer to the original 3D poly.
However, some of my polys are really long, and it is very time-consuming to do this manually while measuring points along the entities to make sure the distance stays small enough.
how to automate this process? For example a lisp that would maybe take the original vertex points, add say maybe 3 (not too many) new ones between them, and then generate a spline while making sure the deviation is less than the set value of 1mm? I am using AutoCAD 2013.
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Apr 24, 2011
I have one drawing but this is Spline but i want to convert it into polyline. without tracing it. i attach my dwg file with this massage.
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Jun 3, 2004
How can I convert Spline to Polyline.
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Feb 27, 2012
Im using autocad lt 2004. My plotter does not recognize splines, and I would like to convert them to a polyline. How to do this, been trying to do if for a few days now but to no good.
when I highlight the spline it will not give me a option to turn the spline into a pline.
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May 25, 2011
I am a student and I am trying to transform a spline into a polyline with the AutoCAD 2009 that with have at Uni for the CNC machine but "pedit" doesn't work.
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Jan 2, 2009
I have three contiguous splines. I'd like to make them one continuous entity, either spline or polyline. How do I do?
I've gone to Modify/Object/Spline and to Modify/Object/Polyline and neither seem to work.
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Apr 13, 2013
I need to draw a polyline (or spline) in the XY-plane, followed by a vertical segment before continuing in the XY-plane again. The challenge is working out the vertical part while still in the top view. There's no way to change its elevation on the fly that I know of.
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May 3, 2012
Our customer send us drawing with ellipse into.With Autocad 2008 I bought a plug-in call SplineConvert that did the job perfectly but not compatible with 2013.
Is there any plugin that could replace that tool ?
Is there any standard ACAD command that could easily do this Job ?
I need a way to make 2 or 3 times per week this converting on all ellipses of large and detail 2D drawings so no time to offset in and out all those .
I try also DXFOUT in R12 but all the spline are being converted into 3d polyline making a huge files that froze my PC.
I also try FLATTEN but did not see how it work , the ellipse stay an ellipse.
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Oct 2, 2006
I would like to convert a spline to a polyline for the sole purpose of finding the area. Is there a way to do this or is there another way to find the area of a spline? Typing list does not give me the area.
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Dec 14, 2013
The task should be similar to the _measure command but, I would like to divide the spline into lengths that I give in input. (Decided by user)
e.g. Length of spline: 10.000 meters
Place a block at length:
- 1238 m
- 2005 m
- 2018 m
- 2458 m
- 4098 m
and so on..
How I can do that? It would be perfect if it would be possible to give an excel file with the length values.
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May 3, 2012
Our customer send us drawing with ellipse segments into.
With Autocad 2008 I bought a plug-in call SplineConvert that did the job perfectly but not compatible with 2013.
Is there any plugin that could replace that tool ?
Is there any standard ACAD command that could easily do this Job ?
I need a way to make 2 or 3 times per week this converting on all ellipses of large and detail 2D drawings so no time to offset in and out all those .
I try also DXFOUT in R12 but all the spline are being converted into 3d polyline making a huge files that froze my PC.
I also try FLATTEN but did not see how it work , the ellipse stay an ellipse.
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Feb 13, 2013
Although I have found code that should allow me to convert 2dpolylines to regular polylines, I am having troubles implementing it. At first I got the eInvalid Input but have since fixed that. However, the error now is that there is no error. Autocad just seems to lock up but I can still switch to visual studio and look at my code. It as though Autocad thinks it is doing something but my code is not doing anything. I can scroll around.
My code is this:
Try Dim acDrawing As Document = Application.DocumentManager.MdiActiveDocument
Using acDrawingLock As DocumentLock = acDrawing.LockDocument
Using acTransaction As Transaction = acDrawing.Database.TransactionManager.StartTransaction
Dim acBlockTable As BlockTable =
[code]........
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Jan 14, 2012
i ve got lots of of plus shapes coming from another cad programme need to be converted into polyline. i add some pics to make my problem clear.
here s my plus
i want them to be closed polylines like this
[URL]....
is there any solution you know?otherwise i have to closed them one by one.
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Apr 11, 2012
The attached profile is a section from a solid. I would like to create a closed profile in order to extrude the shape into a solid. The polyline command and splinedit don't seem to do the trick.
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Dec 3, 2012
Successfully drawn a eggshape for tabletop using 3 ellipse and arcs and converted these into polylines but having trouble converting them all into 1 polyline for lofting.
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Nov 14, 2013
I recently exploded text but now i need it to be a Polyline, when using PEDIT.
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Aug 16, 2012
When I draw the detail line (DL), Is there a way to switch from straight line to spline line quickly? It's difficult to keep moving the mouse to the toolbar to change the line type.
I tried to assign a keyboard shortcut to the spline line but it didn't seem to work.
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Sep 28, 2011
I'm trying to create an external involute spline (ANSI B92.2M) Fillet Root Side Fit 26.9mm x 1 mm x 26 teeth x 38 mm long using the spline generator with Inventor 2012. I created a test shaft"M-182-AMA.ipt" that is Ø26.9 mm x 38 mm long with 1 mm radius on each end of shaft.
I use the following steps:
1. After creating component "M-182-AMA.ipt" I select Design tab>>Power Transmission>>Involute Spline.
2. A window appears that has the caption "Involute Splines Connection Generator".In the Dimensions section I choose "Splines Type: ANSI B92.2M - 37.5 deg, Fillet Root, Side Fit, 26 x 1.00 x 38 x 5H/5h" and change the Length to 38 mm.
3. In the Shaft Groove section I use Create new, and I push the Reference 1 button that turns blue, I then select the od feature from the model and I get an error(see attached pic "error1.jpg).
I changed the 26.9mm od to be 27mm and it still gave me the error.
Work Station : Dell Precision R5400
OS: Windows 7 Business 64 Version 6.1.7601 Service Pack 1 Build 7601
Processor Intel(R) Xeon(R) CPU E5405 @ 2.00GHz, 1995 Mhz, 4 Core(s), 4 Logical Processor(s)
BIOS Version/Date Dell Inc. A10, 4/30/2012
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Computer Memory: 8 GB ECC RAM
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Sep 25, 2013
Before the Revit purists come back with 'Revit is not AutoCAD' - A rectangle is a polyline, a hexagon is a polyline, and Autodesk has seen fit to include these shapes in the Draw Panel.
If I'm creating a component in place, say a cabinet door, and it's elevation is an L shape (or any custom shape - this is for a wall of cabinetry with odd-shaped panels), why, under 'Edit Extrusion', do I have to draw each custom shaped extrusion profile with these goofy single lines? The command doesn't even continue in a sensible way.
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Aug 14, 2013
I have been working with an optimization software the exports DXF files to be meant for use in AutoCad. But I am working with Autodesk Revit and the only jobs you can open in Revit are RVT, RFA, RTE and ADSK files. How do I open up the DXF images in Autodesk Revit?
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Jan 11, 2012
We currently have all of our facility drawings in AutoCAD, but we do have Revit Architecture 2012 in house. I realize that converting drawings to Revit can be a huge undertaking.
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Nov 6, 2013
I am looking for converting the revit file to step file/iges/iam file.
But when I try to save as .sat file the files are saved in cloud which not able to save and use in inventor.
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Nov 6, 2013
Is there a way, when you are drawing a polyline, to have the tooltip box show the cumulative length of the polyline, rather than the length of the current segment being drawn?
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Jun 7, 2012
I would like to take all the vertices out of a multiple-vertices polyline so that it reduces to just its start and end points, can this be done?
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Nov 11, 2013
I've been working on a custom polyline object, and I've got it functioning!!Having said that, I plan to run its creation around picking a point for bounary selection.
(Other than trying to step through every vertecies) is there a technique I can thow the polyline data from a traceboundary result into my custom object? I've been trying to add the polyline from traceboundary to my object BEFORE it's added to the transaction by the way...I assume that's right, since I want to put it's data in my custom object then add my custom object to the transaction instead.
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Jun 29, 2013
I want to convert a 3D polyline to 2D polyline.
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Sep 16, 2011
Is there any way at all to draw a new polyline - from the endpoint of another polyline, and have it automatically join as one polyline from the existing section??
I know this can be done via PEDIT, but its so laborious and soo many clicks, and I have alot of segmented Polylines that I need to consolidate when I draft.
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Mar 22, 2012
Any way I can align a new polyline to a reference polyline (orig polyline).
The 2 polys will be generally the same length, however, the number of vertices will differ.
Also I need to mantain the same distance between the vertices on the new poly and the new and reference poly won't follow the same direction.
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May 18, 2011
How do you find 'if' a polyline is inside another polyline?
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Mar 2, 2012
How do you convert a closed Polyline to 2D Polyline? CONVERT does not work in reverse.
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