External References in AutoCAD: XREF - 3
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Author | Erhan Toker |
| Profession | Architect M.Sc. | |
| Autodesk Authorized Consultant | ||
| Software Specialist | ||
AutoCAD 12 and higher versions
If you insert one or more number of XREF into your drawing, on the contrary to blocks, properties like blocks inside them, layers and text styles are not transferred to the main drawing. If otherwise is not stated than, AutoCAD does not allow the usage of blocks, text styles etc. However, layers are an exception. Because, we are strictly bound to layers depending up on our drawing management. Layers on the external drawing are transferred to the main drawing with the EXTERNAL DRAWING|LAYERNAME orientation (Fig. 1).
Fig. 1
Then, what about the blocks? Even though we can see them in the main drawing, we cannot find them in the block list in the INSERT command. We come up against a simple window when we enter command (Fig. 2).
Fig. 2
In the window on the left side, there is a list of external drawings. We can transfer any object we want from this list, under any title we want to the list on the right side. Note that, names of the transferred objects come with the same orientation. Reason for this is to prevent name conflicts. After this stage, the important part that you should keep in mind is that, objects that are attached to drawing by using XBIND, will not be refreshed by XREF/RELOAD. Because it does not have any relation with the external drawing any more. On the other side, there is also an option in AutoCAD for attaching the external drawing completely inside the main drawing (Fig. 3).
Fig. 3
You can do this operation from XREF management palette. However, any external drawing attached by this method totally loses its properties. By this way, there is no chance for updating any changes in the external drawing to the main drawing.
So, I finish this series of articles by mentioning that we are waiting for your example drawings to publish and questions about XREF.
Have a nice day…
Technorati Tags: AutoCAD, xref, block, layer, external reference
Related Articles: External References in AutoCAD: XREF - 1, External References in AutoCAD: XREF - 2
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August 12th, 2007 11:59
Sir.
Let me know how can I Attach the same Xref more than 2 or 3 times in working drawing without Binding.
August 13th, 2007 08:19
Just copy it.
September 6th, 2007 21:55
Can I attach the same xref twice but be able to freeze different layers on these xrefs. For example attaching a floor plan twice in a drawing, and on the first instance turn “door layer” off, without the second instance being affected from this.
Was this confusing enough?
September 26th, 2007 12:59
AutoCAD 2004 Help!!
Please can you help. I have xrefed a file into a drawing. On my page layout I double click on the viewport to get into model space. Then I express freeze the layers of the xref I don’t want. This is fine and on the quick layer properties the frozen page icon is on. I come back out into paper space. The problem occurs when I refresh the xref all the layers I’d frozen come back on!
Any advice?
Thanks
February 20th, 2008 10:38
Xbind the Xref after inserting xreferenced drawing; then use COPY to make a second copy of the already Xbinded Xref drawing, and assign a new layer to it, so it will not be affected when layers of the Xbinded drawing are turned off.
February 25th, 2008 23:03
Any lisp program out there can allow me to pick a object in a xref and be able to tell me what layer it is on in a xref file ???
April 24th, 2008 03:23
Re: xref attached twice - attach your drawing, then click the name within the xref manager dialog & rename the xref. At this point you can attach the same file again; it will show in the xref manager with it’s original file name. You now have 2 xref files (that look to the same ‘other’ file) by which you can manipulate all layer settings independently!
May 29th, 2008 19:21
Hey Worn!!! Is so simple!!! and works excellent!!! Thank you!!!
June 8th, 2008 07:08
HI I HAVE A PROBLEM USING XREF CAN YOU TEACH ME HOW TO USE XREF AND TO IDENTIFY XREF DRAWING. AND WHAT IS THE IMPORTANT OF XREF
July 2nd, 2008 14:46
Hi,
I have opened someone elses drawing which has XREFs attached, but the XREFs do not load with the drawing. We are both working from the same location, so the file paths are correct.
If I detach and reattach the XREFs my ciollegue can not see the files.
Any clues as to why this is happening and how it can be fixed.