AutoCad :: Spline Doesn't Directly Go Through Each Of Control Vertices
Mar 14, 2012
I am still very new to AutoCAD.I have 5 nodes each of which has an x y & z co-ordinates. I have converted each of these nodes into a control vertex and created a spline of degree 3.
Because the spline does not directly go through each of the control vertices and thus there is some gap between the spline and the control vertices; what I want to know is, what is the distance between a particular control vertex and the spline measured at right angles to the tangent line of the spline.
The values I am using are completely arbitrary and I have used them just to get my point across.I have also attached the actual .dwg file that contains the total number of control vertices and the spline.
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Aug 9, 2012
I have a client who is replacing a large fleet of machines located in premises throughout the country. In theory the replacement program should be straightforward..... however machine dimensions have increased slightly, new service access doors have been added and user control switches and indicators have moved. I have Inventor Assemblies of the machines to show the door and body changes, but not the complex user interface panel (buttons and switches). If I could only import a sketch of the interface panel, it would look great in an Inventor drawing and I could dimension the all important position of components on the interface panel.
I have PDF drawings of the fascia panels which I can import to Adobe Illustrator and save as a DWG. When I look at the DWG in AutoCAD Mechanical, all looks well. When I import the drawing to Inventor part sketch however lots of spline control vertices appear. I cant delete the control vertices in AutoCAD or the drawing falls to pieces when imported to Inventor.
How then do I hide the vertices from my sketch in Inventor. Am I doing things the hard way? Are there shortcuts to importing PDFs in Inventor?
Inventor 2013 sketch mode is excellent as I only have to change one dimension to scale my sketch. I can also stretch/manipulate the sketch to make up for any errors in the original PDF.
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Nov 10, 2010
I don't seem to be able to increase the number of control vertices in an IK Spline. The number of bones in the chain upon which the Spline is set doesn't seem to affect the number of control vertices I have to work with when creating the spline and I can't find a way to increase the number. I'm trying to animate a fish but finding it difficult to get a smooth wave to travel along it's length with only four control vetices.
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May 29, 2012
How can i achieve symmetry on a spline by adjusting the handles of the vertices? The copy/paste tangent button is only useful for vertices with handles pointing in the same directions, how can i copy/paste tangent (same length) but pointing in the opposing directions, it would be like mirroring tangents?
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Dec 4, 2012
In gmask, i switch the softness to 'tracer' so i got individual control of each the control points (cp). But seems that the feather's cp doesn't have its own tangent control. Is is hidden ? how can i turn it on ? or is it not available ?
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Oct 24, 2013
What I want to do is change multiple splines from "Show Control Vertices" to "Show Fit Points"
The problem is I have over 500 to do, and I cannot select each one individually and do it. It would do my head in.
Is there any way to change multiple splines all at once?
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Oct 15, 2013
i already searched for a similiar problem, but I did not find any.. I'm new to 3ds Max and im using 2014.
I created a spline from a shape, which is the upper spline. The lower spline is created by the create line option. With refine i added a few vertexes.
Now i want to connect the vertexes but it doesnt work. The only 2 vertexes that are connectable when i click on connect (a little + appears when I hover those vertexes) is the lower right and the lower left. When I use cross section, all the vertexes connect anyhow, but not the way I want it.
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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
Graphics Display Card: ATI FirePro V4800 (FireGL V) 1.00 GB Adapter RAM
Computer Memory: 8 GB ECC RAM
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Sep 7, 2012
I am having an issue with saving the merge control variable to "Lines Merge" under the Sheet Set Publish Options. I have full rights to the sheet set file, and can change the variable to make a plot, but it gets reset everytime I close program and reopen.
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May 17, 2013
Will Corel6 (or later) ever be able to export to a web page directly since the HTLM export doesn't work (drops links). The Corel Web program, or what ever its name is, was a joke. Its amazing that Corel work puts its name on a program that you could not open a CorelDraw file.
My current work around is to export to a JPG and then import that into dreamweaver and add the links there, then post. A pain but it works.
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Nov 8, 2012
Using AutoCAD 2013 and TOL command to generate feature control frames. We set our lineweights based on layer assignments.
Problem is that when printing, AutoCAD seems to randomly assign a lineweight to the feature control frames. It can vary from what it's supposed to be (such as lineweight set for the dimension layer) or thicker than even what the object lines are set at. Seems to pick a random linewieght at time of printing for these elements (just the boxes, not the symbols/text itself).
Is there a setting we should be defining somewhere to force it to follow the lineweight of the layer that it has been assigned to? Known bug?
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Oct 25, 2011
I'm trying to have some advanced positioning - I don't know if this can be done using dynamic blocks. Start with some basic geometry - let's say a triangle - /. Now, I can add a rotate parameter & action that will let me spin that as I wish.
Next - add a couple attributes. I have a pair of attributes, separated by a text, aligned as "A1.A2" A1 is right-justified, and A2 is left-justified, so when edited they remain in the form "A1.A2" regardless of length. I can now add a point parameter, combined with a move action, that will let me reposition these three entities freely.
My question - can I have the rotate action trigger a move, such that the text repositions to a defined location without changing orientation (DON'T rotate the text!)?
So if I start with (leading . used for positioning in this forum text box):. A1.A2
I want to rotate it to: A1.A2
While I'd love to have it totally self-adjust, I mainly need it to handle 45-degree increments of rotation.Is there a way of expressing this using dynamic blocks using action and/or constraints? Or would this require a lisp construct?
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Dec 2, 2013
How can I Draw a line directly centimeter. I Know Inch setting. I want to I select line tool then enter 1, draw 1 centimeter line.
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May 18, 2011
I am looking for a way of integrating an image, actually a logo jpeg directly into the dwg instead of an image reference and each time having to have the logo.jpeg in the same directly and reloading the image.
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Feb 28, 2012
I am trying to figure out how to had multiple vertices to a feature line. I'm thinking its right in front of me, but I'm just not seeing it. I have been adding vertices by "insert elevation point" manually and it is a really nice feature in that it picks up the elevation that is already attributed to the feature line, but it would be nice to speed up the process.
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Aug 30, 2011
How do I interate through the vertices of a leader and update them.
I have tried
myObjRef.UpgradeOpen()
For i = 0 TomyObjRef.NumVertices - 1
Dim MyVertex AsNewGeometry.Point3d(myObjRef.VertexAt(i).X, _
myObjRef.VertexAt(i).Y, _
0.0)
myObjRef.SetVertexAt(i, MyVertex)
Next
I had expected properties like StartPoint LastVertex to be updated.
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Jan 9, 2013
I'm having an issue whenever I link an AutoCAD dwg. I model everything in Max but use AutoCAD line-work as a guide. As of Max 2013, when I do this, I notice that every line linked is divided into six segments. I tried re-loading the linked file setting curve steps to "0" but still no change.
The linking goes well, no problems at all neither at first nor at re-loading time, but it is quite annoying to have all these extra vertices when I'm modelling over the CAD lines.
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Dec 2, 2013
I've got some 2D contours that have certain vertices very close to each other in some parts of the string. Some are only 0.008 apart. The cross checking in Drawing cleanup is picking these all up as crossing strings.
anything that will possibly filter out these vertices at a set tolerance? I've tried using Snap clustered nodes but that won't work seen as though it is occurring on the same string.
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Jul 18, 2013
I want to clone a polyline3d and set all vertices Z to 0.0 and use that one in my program. I don't want to add it to the database, just use it in memory and then dispose it. I know how to access all vertices in a polyline3d that exists in the database using a transaction, but this will not work with my cloned polyline3d in memory.
Here's part of my
Dim acDoc As Document = DocumentManager.MdiActiveDocument Dim acCurDb As Database = acDoc.Database Using acTrans As Transaction = acCurDb.TransactionManager.StartTransaction() Dim idArray As ObjectId() = sSet.GetObjectIds() For Each id In idArray Dim entity As Entity =
[code]........
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Mar 10, 2012
I have AutoCAD 2012 on a Win 7 64bit laptop. Ive had it on here for over a year and never had this issue till today. My AutoCAD loads up fine and loads up the default Drawing1 file. However after waiting a few seconds and going to click File, it comes up with Not Responding on the top. I wait patiently for several minutes and it does not recover. Not quite sure what went wrong . My desktop has the same issue. There is a possibility of it being caused by CCleaner after using it to fix errors and it messed with something in the resgistry while doing so but not sure.
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Nov 30, 2013
I have a large JPEG image (10000*11000px), attached to an Autocad drawing, that I want to crop multiple times. I cannot load it into memory using .Net, I get an out of memory exception. the only thing I think I can do is read it directly from Autocad. To do that, there is a method of the "RasterImageDef" class called "OpenImage" witch returns an IntPtr to the image. I tried to create a Bitmap object from the IntPtr and the save it to disk. I get no errors but the saved image is black. here' the code :
public static void IntPtrTest(){ Document doc = Application.DocumentManager.MdiActiveDocument; Database db = doc.Database; Editor ed = doc.Editor; ObjectId imageDict = RasterImageDef.GetImageDictionary(db);
[Code]....
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Dec 30, 2011
I have a sweep that follows the shape of the path sketch, but the sweep itself is made to the right of the sketch. How can I get it to fall directly on the path? I have attached a picture of the sweep as well.
HP Z400 Workstation
Intel Xeon @ 3.33GHz
12.0 GB RAM
Windows 7 64-bit
Inventor Pro 2014
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May 20, 2011
I was wondering if there is a way to set the plotter to cut directly after the drawing. i have changed the setting to extent but it still prints the whole page size.
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Apr 30, 2013
I've created four lines and want to spline the end points. Heres my
Public Sub CommandButton4_Click()
Dim pt1 As Variant
Dim pt2 As Variant
Dim pt3 As Variant
Dim pt4 As Variant
Dim pt5 As Variant
[code]....
I get a runtime error - this should be straight forward..
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Apr 24, 2012
I can not get the SPLINE shown *attachment* here to show up in the PDF form of AC 2012 Lt.
No issues with the DWG version. I changed the layer and the color. The rest of the sketch is perfect, just NO spline ( Codend Tie Line).
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Apr 9, 2013
The Straighten method seems to always default to the first vertex of the polylne, which is great if you want to start there but what if you wanted to delete the 10th to 15th vertex? Is this even possible using PEDIT Tools (it is very possible using the WEEDFEATURES method)
IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
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Jun 12, 2013
Why does my new lines all show their vertices, even if they arent selected? I dont want the vertices to show when the lines isnt selected.
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Feb 5, 2013
I know I can use the following...
...Polyline3d pl3d = acEnt as Polyline3d;foreach (ObjectId id in pl3d){ PolylineVertex3d plv3d = tr.GetObject(id, OpenMode.ForRead) as PolylineVertex3d; Point3d p3d = plv3d.Position; ...}
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Jul 29, 2011
how do I turn off the new "stretch" vertices?
I am finding that I click to select a line, and start typing commands, only to find out they aren't registering b/c I have selected that un-needed extra vertex in the middle of every pline segment.
I have checked the Options, and cannot find how to turn those off. They were not in 2008.
Civil 3D 2011
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Aug 24, 2012
Is there a way to specify simplification of a line when doing the Boundary Command? I notice that if I zoom out further that some vertices are eliminated in curves. How I can guarantee that the boundary is exactly the same as the plines that I specify.
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Oct 14, 2012
I'm in search of a good lisp that will ss get all 3d polylines & break at the vertices.
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