I'm new to the whole forum discussion thing so pardon my slip ups. I had a question about scaling all of the dimension arrowheads on a saved drawing. I did not draw the original, but I have to make some changes to it. I'm pretty sure that there is a way to change all of the arrowheads at once but I cant find out how to do it. so I am stuck changing all of them individually. if anyone can point me in the right direction it would be very appreciated! thank you

Change the size of the arrowheads globally via the Dimension Style command (DimStyle).  Dimstyle > Modify > Symbols and Arrows tab.

im pretty sure that only works for when you are starting a new drawing. I think for the ones that are set in a saved drawing you go about it the same way but then you have to select the styles in use and then modify them with the way that you have mentioned but getting it applied to the drawing is where I get stuck.

Change the arrow size in your dimension style then use the UPDATE option for dimensions to make the changes in your drawing.

John Connor2013-08-27 20:12:28

I see the problem! you CAN change them all together by going threw the steps that we talked about and  using the update option BUT the dimensions can NOT be exploded! in this case, all of the ones that I mentioned are exploded so...........im screwed!  

thank you very much for pointing me into the right direction. I appreciate the help!

john conner, do you deal with autocad a lot? do you know much about drawing isometrics? I have a couple questions about that stuff also.

[QUOTE=jsanderson]
I see the problem! you CAN change them all together by going threw the steps that we talked about and  using the update option BUT the dimensions can NOT be exploded! in this case, all of the ones that I mentioned are exploded so...........im screwed!  [/QUOTE]Maybe you should have mentioned that right up front?In the future give us as much information as possible as it will go a long way towards helping us to help you.

[QUOTE=jsanderson]
john conner, do you deal with autocad a lot? do you know much about drawing isometrics? I have a couple questions about that stuff also.[/QUOTE]I have a fair amount of experience with AutoCAD including working on both 2D and 3D isometric piping drawings. I'll be away for a few days so other forum members will have to assist you with any questions you may have regarding isometrics.  Good luck.
John Connor2013-08-28 12:05:10

"...in this case, all of the ones that I mentioned are exploded so...........im screwed!"
 
Not necessarily -- are the resulting independent arrowheads Blocks?  A routine could easily be built that would find all Blocks of a given name, and give them all any scale factor you like.

john,I would have mentioned that up front if I had known that it was going to be an issue, from now on I will include all of the information that I can so that it will be much easier for other to assist me.Kent,how do I go about finding out if the arrowheads are blocks?

>>  how do I go about finding out if the arrowheads are blocks?






 
The LIST command, or pick on one, right-click and pick Properties and see whether it says Block Reference at the top, or put
(entget (car (entsel)))
in the Command: line, hit Enter, and see whether what comes up includes (0 . "INSERT").