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Create Linetype with Leader Arrow, Used to Show Direction of Flow

Posted on 2008-06-09
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Last Modified: 2013-12-04
I am trying to create a Linetype in AutoCAD.
I am wanting to use the Linetype to show Medical Gas Lines and their Direction of Flow.
I want the line to behave similar to other Default AutoCAD linetypes. Having the arrows follow the angle of the line.

I have been trying to have arrows similar to those used in Qleader & Dimensions
Bonus would be having the Linetype Arrow adjust size with Ltscale.


Thanks
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Question by:JustinDoerr
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Expert Comment

by:norrin_radd
ID: 21761047
this may not be the arrows you want but this will work if you add it to your acad.lin file, you may want to tweak it alittle bit.

*arrowflow,----<<----"
A,.5,-.03,["<<",ARIAL,S=.1,R=0.0,X=-0.01,Y=-.05],-.09

i might be able to figure out how to get the dimstyle type arrowheads, I'll try. I think it can be done using .shx files but I've never done it, guess I should learn.
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Author Comment

by:JustinDoerr
ID: 21761254
Thanks for the help. I am going to give your coding a try.
I was able to find an Arrow symbol searching through the "Wingdings 3" font.
Characters "u", "g", and the "Quote" symbol ( " )
I'm assuming if I substitute one of these symbols into your code I should achieve an Arrow.
I'll give this a try & let you know how it goes.

Thanks for the help,

Justin
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Accepted Solution

by:
norrin_radd earned 500 total points
ID: 21761511
i tried something similar too, but the "unicode" thing kinda gimps it up. there is also a way to create linetypes with imbedded blocks, but when I was experimenting with it I couldnt get the linetype scale to work properly, havent been able to get back to it.
also if you use text in your lines like the code I supplied your text style height needs to be set to 0 in the text style dialog (style on the command line) for it to work easily. for this reason you may want to create a textstyle specifically for lines this helps if you get alot of dwgs from 3rd parties.
good luck
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Author Closing Comment

by:JustinDoerr
ID: 31475319
The problem was never really resolved, but I was given a place to start from.
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Expert Comment

by:norrin_radd
ID: 21981959
thanks for the points, sorry I couldnt help any more than I did, i got so many irons in the fire it aint even hot anymore!
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Author Comment

by:JustinDoerr
ID: 21984641
Lol, I understand. I am slowly getting the issue resolved. Mostly through trial and error. More error than trial, but whose counting.
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