How to Draw a Breakline Symbol in Autocad

2009-11-24,02:19 PM

Is there a way to define a linestyle with a breakline symbol as part of it's definition and to be used for Detail Lines? Anyone already have one, they would be willing to share?

2009-11-24,02:50 PM

There is a breakline symbol available out of the box in Revit already. It comes in as a Detail Component. Unless you have changed your library, you should be able to find it at: ...Imperial Library\Detail Components\Div 01-General\Break Line.rfa

The family is built to allow you to change its length and scale in every direction. It also includes a masking region to cover up any detail items that are on the "cut off" side of the break line. That region can also be resized.

2009-11-24,03:17 PM

Found it thanks. But is Adesk smoking crack? This has got to be the most ridiculous and inflexible item out there. Can't they just create a simple line style for this, or at least add a parameter to control the number of break symbols in the line. I have to manually place a series of these and individually manipulate to get the look I want. Talk about throwing the CAD baby out with the bath water, this certainly highlights. Sorry tim, this is not directed at you, but honestly Adesk this is stupid stupid, couldn't you have taken 5% of the time spent on the new conceptual tools and improved some productivity items like this?

2009-11-24,04:03 PM

If you want it to keep repeating, you can nest that detail component in to a Line Based Detail component in about 45 seconds. Two parameters to make it array within the LBDC, and youre done.

Line Styles dont work the same way in Revit as they do in CAD/Bentley/Your platform here. They can only be series of dashes and spaces, because of the way something in the program is written. So no... You cant create a line style for it, unless its a "line style" in parenthesis, by which i mean a LBDC that isnt a line style at all. Even "dots" in line styles are converted to small dashes.

And FWIW, everyone i know finds the DC Breakline very amenable. Ive seen it as a DC, and as an Annotation symbol to regulate the break symbol to a certain size for office standards. Ive seldom ever heard a complaint about it, lol.

2009-11-24,04:27 PM

Designviz: yes, ADesk is a smoking crack...but the premise exceeds the basic abilities of a linetype...

As you probably noticed, the breakline is nothing more than a filled region--intended for masking model or drafting information, but when imported it comes in very small. Here's what I did: made (3) types within the OTB breakline--small, medium, and large. This then avoids having to push/pull edit handles all day, or copying/pasting from drawing to drawing in order to get consistent breakline sizes.

2009-11-24,04:34 PM

Or, as i mentioned... Make it an Annotation Symbol instead of a detail component. Then it holds its size on the SHEET, and not its size in the model.

Caveats of that method are: You cant get instanced parameter pull tabs in an Annot Symbol, so you would have to go to properties and type in a width value. But then it could still repeat with an internal array.

2009-11-24,04:45 PM

Granted, but everyone who wants to do this has to spend that 45 seconds doing this. I just feel this level of customization of the application should not be necessary. I feel however the code is written, perhaps it should be rewritten slightly.

2009-11-24,04:56 PM

Well, yes and no. Inherently it works, but you have to be smarter than the OTB symbol.

Using an annotation symbol is a great idea until you have a custom situation; you could use parameters as suggested to control length.

I still advocate several sizes/types within the breakline family. If someone was really anal, they would make one for every architectural scale. For my drawings, though, and likely the majority of firms out there--a small, medium and large version suffices.

2009-11-24,06:05 PM

You dont have to make one for every scale if its a symbol, and then your drawings are more consistant since every breakline is the same size. People arent pulling the break symbol a hair this way and a hair that way... And it can still be adjustable to stretch custom situations, JUST like the original.. It just wont have pull tabs, so you go in the porperties to do it.

As for rewriting the code... Meh. I wouldnt mind Line Styles being able to be something other than dashes and spaces, but i still dont think this is one incident that id use it.

2009-11-24,06:43 PM

...if it is an Annotation Symbol, then of course there is "no resizing".
If you use the Detail Component breakline, then there IS resizing required for every drawing scale...

How to Draw a Breakline Symbol in Autocad

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