AutoCad :: Extension Lines For Radius Dimension Need To Start At The Center
May 17, 2007
Having used another CAD program for several years, I was used to the idea that all radius dimensions, like of a given arc, would easily start at the center of the arc, thereby denoting the position of the arc's center.
I'm slightly bugged with some CAD users, even books on the subject by autocad users, that give an arc's dimension from the outside of the arc, yet fail to show the location of the arc's center when it may not be self explanatory. Not good dimensioning practice from what little I've been schooled...
So, in AutoCAD 2007, how do I get an arc's radius dimension line to start at the center and point out to the edge. I can do all kinds of things to the position of the text, etc, but can't figure how to get it to start at the center. (The dimension line needs to start at the center.)
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Aug 16, 2013
When you make a diameter or radius dimension it always has this static extension line shown in red when you move the dimension far enough away. I can not seem to extend this extension line at all it is always the same length no matter what variable I change. How to lengthen this extension line?
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Sep 15, 2012
Sometimes when I am dimensioning an object, my autosnap will pick up the end of an adjacent dimension extension line instead of the end of the object. Is there a way to prevent that?
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Jul 31, 2013
When placing a dimension with the text outside of the extension lines, it defaults to placing the text either above right or below left of the arrows. If you try to grip/drag the text to another location (i.e. below right or above left) it won't allow it. I don't know if it is following some standard, but in the example shown, I had to explode the dimension to position the text in the preferred location.
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Nov 18, 2012
Some times when I re open a drawing I have been working on, I start to dimension and I notice that the dimension extension lines stay the same length when I move the dimension in and out from the object being dimensioned.
Not sure why this happens, I do all my dimensions in model space, in fact I do just about everything in model and then just set it up in paper space to print.
I never change anything when I start a new drawing in my template, so not sure why it happens.
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Nov 29, 2011
I'm using Inventor 2011 and I can't figure out how to set my dimension settings so it breaks the dimension extension lines automatically when crossing over other dimension extension lines. I saw that others say it just happens, but it is not "just happening" for me. how to set my dimensions so when dimension lines cross each other one of them automatically breaks?
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Feb 23, 2013
how to make a radius dimension a diameter dimension? I have Inventor Profession 2013.
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Feb 7, 2013
[Managed ObjectARX 2007 with C#]
I am trying to create an arc with start point, end point, and radius. So that if the arc gets drawn, I going to use the center point.
Well, I guess I can use "SendStringToExecute()" or "SendCommand()" and "ObjectAppended" event handler to get the arc object.
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Sep 26, 2011
I have been able to dimension any circle on the drawing， but if there're several circles with the same radius ,I just don't know how to dimension the circles with the same radius with only one dimension.
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Dec 12, 2012
Im drawing the image below for school but I cannot figure out how to create the radius dimensions as they shown.
The only ones I know how to do are they .25 and the .75 diameter. I have tried changing the dimension style in every way I can think of. Just to clarify the 1.31 and .63 radius demotion how the leader starts in the center and the arrow is on the inside of the circle yet the text has the extended leader and is outside the circle and the other radius demotions the text is in the middle of the leader is what I am trying to learn to do.
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Sep 17, 2013
The standard in the industry I work in is the radius dimension goes on the inside of the arc. However, AutoCAD defaults the dimension to the outside of the arc. Is there a way to make it default to the inside? If not then this is the issue when I use the mirror command.
Attachment 44015
That arc appears and I cannot get rid of it.
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Jan 4, 2013
I am trying to edit my drawing template dimension style to always do a diameter (if it is a circle). Right now it defaults to radius and I manually right click and change it. I found all sorts of styles for how it displays the radius and diameter, but didn't find where to set the default.
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Jul 5, 2012
When I dimension an arc to find the radius, the dimesnions appears as a line going from teh center of the arc to the edge of the arc with the dimension in the middle. I don't want this. I want a leader pointing to the R text and that's it.
I've attached a photo of both scenarios- one dimension is the style I don't want, and one is basically the style I want (I'd like it to be more of an elbowed leader line), but it only appears when I use AutoCAD's ISO25 dimension style.
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Jul 9, 2012
How do I change this dimension into a diameter dimension?
I have tried editing the dimension style to display as a diameter and it doesn't change it. I tried creating a new dimension style and it doesn't change it.
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Jul 25, 2013
I am new to AutoCad, and I'm sure this is a simple question. How do I put radius dimension in fraction format?
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Apr 26, 2012
Is there a way to do a jog in a dimension line extention?
(Colossians 3:23-25)
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Dec 3, 2013
I would like to change the default settings for a Radius dimension, Extension value from "On" to "Off".
I have no trouble changing the dimensions one at a time, but that doesn’t change the default value in the template.
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May 30, 2013
see attached jpg. I want to know if there is a way to get rid of the "extension line" that the diameter dimension creates?
as you can see it runs over the slots on my detail and looks confusing.
win 7 64 bit sp1
cpu intel xeon E5-2687W0@3.106
eight core
two solid state hard drives
32 gig of ram
Autodesk product design
suite premuim 2014 64bit
Nvida quadro 4000
Space Pilot ver. 1.6.2 2010
slphantom (NNTP handle: scottl)
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Jan 26, 2012
Octagon inside a circle... The circle cannot be dimensioned off the octagon?
I need it to have, say .25" clearance and I mean I can just make the circle the right size... but Inventor/I really should be able to do something this simple...
A circle inside a circle, same center point, you can click both and get the distance between the two?
(R-click and set circle to Radius does nothing, it still wants to dimension it from the center point)
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Oct 11, 2013
With all of you fine teachers, I have the know-how to get the start and end values of a line.
Do you think there is a way to get a point returned that represents the true intersection of the two lines, without having to involke a user defined "getpoint" function using "intersect" osnap?
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Jul 5, 2012
It's 2012. I haven't found a setting in the dim style or the RMB options to turn off the extension line. I saw the posts showing drawing a sketch in the view but come on, all that to just turn off the line?
IV 2012 all sp & fixes
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Dec 23, 2013
I need to fillet below lines in .net...Iam having the entities list..How to fillet those lines with radius using .net?
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Dec 4, 2011
API enhancement/fix in SP1: Cannot create a radius dimension on circular drawing curves projected from spline edges.Does it in some way trying to refer to the issue with nonplanar arcs turning into splines in drawings saved-as AutoCAD .DWG?
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Oct 11, 2011
I'm inserting dimensions and the tics keep coming out huge and not on the dimension line, in fact there's one on either side 20 ft out. If I change the drawing scale in the tab at a the bottom the tics get smaller and closer in, but they are still off the dimension string by a long shot.
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Oct 26, 2011
what I have to do, in AutoCAD, to make two center lines to intersect on lines and not on free spaces.
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Dec 16, 2011
I know there is ipn file to create an exploded view. But if I have used a positional rep to create one. How can I automatically show the tweak lines or center lines on explode path
Inventor Professional 2013
Vault Collaboration 2013
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Feb 10, 2012
What is the easiest way to add a radius to two lines that for an obtuse angle? Example: I want to add a 1" Radius to two lines that are at 156 degrees.
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Aug 28, 2012
How do I get the extension lines to be annotative?
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May 6, 2013
I want to use diameter extension lines to span the diameter of the circle by forcing the dimension line to be on. When I do that, the arrows are on the outside of the diameter and I want them on the inside so I use the flip arrow command. What happens is the extension line opposite of the dimension text is sticking outside the circle and I want to get rid of it because it just looks bad. I dont see a way of turning off this little extension line. Every thing I turn off doesnt seem to do anything.
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May 27, 2013
Revit Architecture 2014? I've been trying to use the structural beam system, but when I select the joist I cannot select the start/end extension in the properties dialog box. I would like to know why is that?
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Sep 2, 2010
I am new to Inventor after using Unigraphics for a while and finding the modelling side very similar so no problems there. the problems are starting when i am producing drawings.
I am trying to manually break a dimension extension line around an inserted symbol ( surface finish symbol) and can't figure this out. I have noticed that Inventor automatically break dimensions round other dimensions but is there a way to add a manual break?
Also is there a way to break a center-line round dimension text? i have added a picture with the problem.
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