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Forums >> Revit Building >> Technical Support >> import autocad sheet to revit

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Thu, Jan 15, 2015 at 2:57:07 PM | import autocad sheet to revit

#1

SteveB


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i often give consultants a revit export of sheets from revit.  They put all the revit exports in one folder, then open the base (paper space) file and all of the views xref in...perfect.    How do I do that in reverse?  I have a .dwg file and want to just open it in revit.  using insert/import cad/  in the sheet view yeilds ONLY all the paper space stuff from the acad.  if I create a drafing view and do the same thing, I get a mess of some (not all) of the autocad original stuff.  lots of work left to make it into a composed sheet.    is there a way?  


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Thu, Jan 15, 2015 at 3:18:20 PM | import autocad sheet to revit

#2

WWHub


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Be careful - you can not crop drafting views.   That is why we only import CAD that is cleaned up and wblocked into a smaller file.

 

The HELP may answer part of your question:

http://help.autodesk.com/view/RVT/2014/ENU/?guid=GUID-66C3F390-8878-4977-9614-8EF4825D420C


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Fri, Jan 16, 2015 at 5:24:40 AM | import autocad sheet to revit

#3

SteveB


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i figured as much.  But assuming the autocad stuff is all cropped, there is no way to just bring the whole drawing into Revit?


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Fri, Jan 16, 2015 at 7:28:45 AM | import autocad sheet to revit

#4

WWHub


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We do bring the whole drawing into Revit.   But I think you may mean something else.  Do you mean a sheet with multiple views?  If so you will have to use an image.  Otherwise you need to create each view with a CAD import and place those on a sheet.  You do understand that CAD can be brought into any view and be only in that view "Import into this view only" option checked.


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Fri, Jan 16, 2015 at 7:39:27 AM | import autocad sheet to revit

#5

SteveB


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the hope was that revit could import as smart as it exports (creating multiple paperspace veiws and xrefs into those views).  OK, no go.    I understand the import individual drafting view process, time consuming with lots of cleanup but workable .  Also has the annoying habit of creating new text style for every each view, even tho its the same source text style in acad.  any way around that?


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Fri, Jan 16, 2015 at 8:05:28 AM | import autocad sheet to revit

#6

WWHub


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Doesn't have to be drafting views!  Detail views (or any model view) can be created with all model elements off.   AND - Model views like detail ones have a crop window!

 

 

Just remember to use the this view only.....



Edited on: Fri, Jan 16, 2015 at 8:06:18 AM

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Fri, Jan 16, 2015 at 8:13:54 AM | import autocad sheet to revit

#7

SteveB


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thanks WW.  any way to make the text come in without it being a different new style at every insert?


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Fri, Jan 16, 2015 at 8:34:53 AM | import autocad sheet to revit

#8

WWHub


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I have many posts here about CAD inserts.  Links are fine.  Insert is OK.   But exploding CAD in your project is very BAD

 

After exploding CAD, Revit creates a new types for Lines, hatches, text etc named per each CAD file.   So you have multiples of the same type.   This becomes totally unmanageble. I deleted over 100 hatch patterns in a file where someone did not follow our rule.  You sometimes had to scroll down through all 100+ patterns to find what you needed!

 

Our rule here is that if you want to explode CAD, you must do it in a cleanup project where you modify everything to your standard elements then you copy / paste into your project.


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Fri, Jan 16, 2015 at 8:45:36 AM | import autocad sheet to revit

#9

SteveB


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if you don't explode, how do you control the hatch patterns that all come in as solids and the text styles, that all come in as "romans" as well as other odditites.   why not just do a "purge unused".  


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Fri, Jan 16, 2015 at 9:11:05 AM | import autocad sheet to revit

#10

WWHub


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Expode one view then look at all the new hatches - linetypes - etc. you now have and multiply that by however many imports you think you may have.   POOR PROCESS!  You can't purge these items because they are in use.

 

Use a cleanup project.

 

Purging is a poor substitution to using a better process.  Purging can take considerable time and you often delete standard families that you then have to reload.  Purging is best done at the end of the project or on files to be shared.


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Fri, Jan 16, 2015 at 11:17:45 AM | import autocad sheet to revit

#11

SteveB


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plus the drawings that come in are always a bit of a mess ... need cleanup via partial explode.  see examples



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Fri, Jan 16, 2015 at 12:17:54 PM | import autocad sheet to revit

#12

WWHub


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I think the problem is probably caused by the text in CAD being SHX instead of truetype fonts.  SHX is converted to a truetype font upon import.   But you can control this.   Read this in your HELP:

 

http://help.autodesk.com/view/RVT/2014/ENU/?guid=GUID-87119589-ADE4-41AD-A796-3EB3C1DDDA82

 

Clean them up in CAD changing the font there or build a library of true Revit details by importing into a cleanup project.

 


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Fri, Jan 16, 2015 at 1:32:51 PM | import autocad sheet to revit

#13

SteveB


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The font mapping did the trick, THANKS.  strangely, the text is now spaced correctly, but still looks visually like the acad sources "romans" font, not

the arial font i mapped it to.   but it works, so I can leave it alone.  


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Sat, Jan 17, 2015 at 10:42:33 AM | import autocad sheet to revit

#14

SteveB


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i've also noticed that the Import Cad Formats/import units has to be selected as "feet" for hatch patterns to come in correctly.  

And I don't know why, but text comes in with "x;" at the beginning of every entry like this... http://goo.gl/rQtj3y     I have mapped the .shx text file.  


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