AutoCad 2D :: Add A Specific Amount / Length To A Dimension By Using A Formula
Aug 4, 2009
Is there a way to add a specific amount/length to a dimension by using a formula? For example, say I wanted to measure a length of conduit between two fittings. The clear distance between the fittings is 48" and the conduit is recessed into the fittings by 3/4" on each side. If I dimension between the fittings, normally it would read 48", but I want it to read 49-1/2" so my shop people know what length to cut.
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Feb 10, 2012
Is it possible to override a dimension with some sort of formula or function that relates to the length of the dimension?
A simple linear scaling might be possible by inventing a new unit with the appropriate conversion ratio, but that wouldn't work. What I need for the dimension to display a length 400 less than the actual length.
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Apr 26, 2012
I am trying to create a iLogic Rule that will measure the Length, Width and Thickness of a part and ut it into the custom fields we have. I am having a hard time remembering how to get it to do it from the assembly level. I want to run this on the assembly and have it populate all the parts inside of it. The code below will do it for a part but what is it I add to get it to drill down into the assembly?
iProperties.Value("Custom", "THICKNESS")=Measure.ExtentsHeight
iProperties.Value("Custom", "WIDTH")=Measure.ExtentsWidth
iProperties.Value("Custom", "LENGTH")=Measure.ExtentsLength
Then I want to add this formula to the Stock Number iProperty = <Length> X <Width> I can get it to add the values but I can not get it to add the formula to the stock number.
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Nov 15, 2011
During design development dimensions get modified a lot. E.g. shorten something by 25mm I just edit the feature dimension by tagging on "-25" in the edit dimension box. If lots of modifications are made the dimension gets messy since all the edits are saved (e.g. 150 mm - 25 mm +1 mm -5 mm). In sketch mode, I just retype the shown dimension, but for other features like offset work planes, extrusion depth, etc, the actual value isn't even shown anywhere. Is there any easy way to replace the formula with the current dimension value without having to measure the feature?
Basically, I like being able to use the dimension entry box as my calculator, but more often then not, don't want the calculation history saved.
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Feb 21, 2013
Can i change the length of the dimension line 'extension' when my dimension text placement is beside the dimension line (see attached image)?dim line length.jpg
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Dec 6, 2010
Is there a way for forcing a flat pattern, when unfolded, to a specific length?
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Jun 23, 2012
I am drawing a diagram to describe a mathematical word problem. Since it is easier to visualize with a drawing, I want to draw it using the given dimensions. But angles used in the diagram are unknown and are not needed for the answer to be calculated, so the only way to draw this freehand is to guess at the angle resulting in the correct distances to be off.
Here is the word problem: There are two ladders, one 40 feet and the other 30 feet, each touching the base of one of two buildings and leaning against the other building. If the ladders cross 10 feet above the ground, how far apart are the buildings?
So for my drawing, being rather simple considering what AutoCAD can do, results in this:
Can AutoCAD calculate the angle needed to place a line of a given length between two parallel lines that are a distance apart less than the length of the line to place between them, having the endpoints of this line touching the parallel lines, fitting exactly?
For the word problem, the distance between the two parallel lines is what needs to be solved and the math is quite invloved, having to find the roots or solution of a quartic equation. (I have the solution figured out to be 26.03287754 feet)
What I am afraid of is that this would require to program an AutoLISP routine to create a new command that one can call from the command line. I see it using the the measure command with relative and absolute co-ordinates. This may be far from a "beginner" question. I can do this quite easily on a peice of paper: having two parallel lines drawn, take a ruler and placing the "0" mark on one line, then adjusting the angle until the desired length just reaches the opposite parallel line. I used to use this trick quite often when drafting with pencil and paper to divide a distance into a required number of even amounts, so this can't be that difficult to do with AutoCAD!
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Jul 18, 2011
I would like to dimension the arc length of a radius in sketch mode. I am using Inventor simulation 2010.
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Oct 3, 2013
I need a lisp which is i can draw a line or pline with circle in every 30 meters ( circle diameter and total line or pline length will be optional )
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Jun 2, 2012
I am trying to dimension a line that is not parallel to either they x or y axis. When i try to dimension the line it will only let me dimension the vertical or horizontal component and not the diagonal length. I have included a picture of what I am referring to.
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Jun 2, 2012
I am trying to dimension a line that is not parallel to either they x or y axis. When i try to demsion the line it will only let me dimension the vertical or horizonal component and not the diagonal length. I have included a picture of what I am reffering to.
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Nov 15, 2013
In Autocad 2006, is there a way to control the length of the dimension line when it extends outside of the dimension distance itself? In other words, when a dimension is small, and the arrowheads flip to the outside of the dimension parameter, the text and the extension line outside of the dimension seems to go to far outside of the dimension area..
Can I control how far outside of the dimension area that this line and text are placed? They seem to go to far out on my drawings. I prefer them to be closer to the actual dimension area instead of extending so far out.. Didn't know if there was a control for this and where to find it.
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Feb 28, 2013
I have to flip out dimension lines/arrows all the time. How do I control the length of the dimension line when it is outside two lines?
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Mar 14, 2012
Is there a way to show the last number of the dimension length as 5 or 0?I want to show the unit in mm with precision (decimal places) equal zero such that the and to force the last number as 5 or zero
For example, I need to display the 7554 mm as 7555 and the 7558mm as 7560.
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Jan 28, 2012
At center line I want to place a small perpendicular line in specific length and put their coordinate to excel sheet(export coordinates).
I have already two programs for this, one for placing objects on curve with specific length and 2nd for pick & export coordinates to excel or other type of file. but this is very lengthy process & need too big time. but I think it cab be done in a single command written in lisp.
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Nov 30, 2011
I put a dimension in paper space to check the length of a line and after, i wanted to clear that dimension but it didn't dissapear. If I zoom out or zoom in the screen,the dimension still remains in the same place and it's not scalling. What can I do to clear that dimension?
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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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Dec 6, 2012
I'm trying to use the new arc length dimension feature in Inventor 2013 and I am having some trouble. After I apply a driven arc length dimension to a fully constrained sketch and then put user dimension in a user parameter I get an error when I rebuild the part. The error states the the dimension can not be solved.
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Mar 13, 2012
I'm trying to delete, programatically, a specific dimensions on a specific sheet of my drawing based on a model parameter. I imagine it would be pretty straightforward to refer to generaldimensions.item(?).delete but how do I know what the index number of the dimension I want is? The only samples I can find either generacially access item(1) or use a for each loop to get all dimensions.
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Nov 22, 2012
An image dimension to a specific size and extruded to a specific height with an empty cylinder through the middle for the wristband to pass through. All edges need to be rounded off somewhat so they are not sharp on the skin.
The face of the bead needs to be an exact cutout of an image that I have. I've used Photoshop to take the image and remove the background, so I have a .PNG with the background removed. I need to import this into AutoCAD and make this image into the face of the bead.
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Sep 23, 2011
My goal is to be able to select a line and a dimension and then have the line's length appear as the text override for the dimension. I have the code to substitute the variable "dist" for the dimension text:
(setq dimselected (entsel "
Select Dimension:"))
(setq newlength dist)
(command "dimedit" "n" newlength dimselected "")
but am having problems extracting the line's length to the variable and setting setting it equal to the variable. To make things more interesting, the value needs to be in inches with fractional inches accurate to 1/16".
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Dec 11, 2012
it's been awhile since I have been back to autocad. I draw a line an exact length then when I try to dimension it with a fraction it rounds up. I can't find the setting. It is say 5 1/2" but will dimension to 6"..
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Jan 26, 2014
is it possible to apply a specific dimension style to a layer only, without affecting the dimensions already on my drawings??
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May 10, 2012
How can i make use of polysolid to produce floor plan with specific dimension?
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Jun 15, 2012
Is there a way to adjust the length of the tick marks used in dimension strings? I'd like something other than the supplied Diagonal 1/8" or Diagonal 3/64" options.
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Dec 7, 2011
I've had a simple lisp I've been using for years that suddenly disappeared. It required that you identify a block name, tag name, and the value that you want the tag to be. All of this is performed via command line, so it is scriptable. Since I lost it, I've been experimenting with -attedit. This command comes frustratingly close to what I'm looking for, except it only appends an existing tag, or replaces a specific string within the tag; I can't get it to replace the entire tag, regardless of its value.
1> Any lisp routine that does what I describe?
or
2> How to make -attedit replace a tag value without regard to what the value currently is (like a * wildcard)?
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Jul 13, 2005
1. I want to draw boxes of specific dimensions, i.e., 5"x7" within a canvass that is bigger (i.e., letterhead size) than that.
2. I also want to know what size a specific image is. I checked help (PS7) and it says if I press alt and right click on the image information (which I assume is the size dimensions shown on the status bar) it will give me the image size; but it only gives me the canvass size. Am I doing something wrong?
3. Not sure if this is the place to ask, but can anyone tell me where to go to learn how to create emoticons?
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Apr 6, 2011
I have an image that is 5363x3575 and I need to resize it to 960x381.
Is there any way that I can resizing without croping or distorting it?
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Jan 8, 2013
Is it possible to change the length of a line based on the length of an attribute?
I'd like to make the line a MINIMUM length of X" (I haven't decided how long yet--but know I'll need a minimum). But then after the user fills in the attribute, I'd like the length of the line to change to the length of the attribute plus a small amount (again, I haven't decided yet how much extra).
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Mar 16, 2012
I was wondering if there is a way with DB's to have a line "follow" or "grow" with the content/value length of an attribute. Maybe some method of linking the attribute width to length of the line? Essentially, it would work just like turning on the underline setting when typing in mtext editor (or any program with an underline option for that matter), expect that the line could be placed anywhere, and would not have to reside directly below the text.
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May 24, 2002
Command to make a line change length to match length of a line, arc, polyline or circle? Could use this when making flat patterns layouts.
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