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Elements in exported DWG from Revit are in incorrect locations

19 ANTWORTEN 19
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Nachricht 1 von 20
Anonymous
3983 Aufrufe, 19 Antworten

Elements in exported DWG from Revit are in incorrect locations

Hi experts,

 

I have a big problem in Revit when  I am exporting DWG elevations.

My building skin is made with a external facade done as a curtains system attached to a mass, all the facade is curved.

When I open the exported  DWG a big percentage of the curtain panels are located in the wrong position and the same is hapening with the mullions...

I dont know how to solve this....its a big building and takes me hours to replace the panels in the DWG.

When I print gives no problems, when I export a straight curtain wall gives also no problems.....help!!!

 

 

19 ANTWORTEN 19
Nachricht 2 von 20
Sahay_R
als Antwort auf: Anonymous

Can you share your file? It would help to explore the problem.


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Nachricht 3 von 20
barthbradley
als Antwort auf: Anonymous

Re-position your x,y origin (0,0) closer to the center of the drawing. Sounds like it is too far away.  

Nachricht 4 von 20
Anonymous
als Antwort auf: barthbradley

I have tried before, didn't work :enttäuschtes_Gesicht:

 

Nachricht 5 von 20
Anonymous
als Antwort auf: Anonymous

In 12 years of revit this is the first time that I cannot solve a situation. I really hope someone can help me :enttäuschtes_Gesicht:

I send the file in attached , maybe someone can take a look....is R17 version.

Thank you.

Nachricht 6 von 20
ToanDN
als Antwort auf: Anonymous

You model is way too far from the Project Base Point, which in turn, is very far from the Survey Point.  I link it to a new file, move it near to the Project Base Point, and exported it just fine.

 

Capture.PNG

Nachricht 7 von 20
Anonymous
als Antwort auf: ToanDN

ToanDN Thank you for your time on this....

 

On 3D there is no problem, even far away from Origin it exports perfect, my big problem are the elevations export......they are the ones that give problems.

Can you try for example the North or south elevation?

I tried already, before I wrote here, to move the origin and the problem is still the same.....

I´m getting frustrated with this problem..... :enttäuschtes_Gesicht:

 

Regards

 

Nachricht 8 von 20
ToanDN
als Antwort auf: Anonymous

I created two new elevations and placed them on a sheet in the new file where I linked your file in.  The sheet exported without any problems.  

 

See screenshots for comparison from Revit to CAD.  CAD file attached.

 

p/s:  I could not work on your original file.  It froze my old and laggy 5 year-old laptop.

 

Capture1.PNGCapture.PNG

Nachricht 9 von 20
Anonymous
als Antwort auf: ToanDN

I tried the same as you now and it worked :leicht_lächelndes_Gesicht: but I cannot have a extra file just for the elevations :enttäuschtes_Gesicht: .

The project base point is also a issue. When I move the point to 0,0,0 I lose all the coordinates points from the project and that is something that i cannot lose..... :enttäuschtes_Gesicht:

I dont know what else to do.......

Is there any way of keeping the project base point close to model and preserve my coordinates with the model???

 

Regards.

Nachricht 10 von 20
chrisplyler
als Antwort auf: Anonymous

Put your Project Base Point at a corner of the building, and then use the Specify Coordinates at a Point tool to give it the right coordinates. Any spot coordinates referencing the Project Base Point will report their coordinates relative to it, so when you specify the coordinates it has, they all report correctly.

 

If you need the coordinate data, then before you do the above, drop a spot coordinate at the corner of the building you intend to use, take a note of the coordinates it reports, delete it, then start the above process. When you use the Specify tool, enter the coordinates you've written down for that building corner.

 

Nachricht 11 von 20
Anonymous
als Antwort auf: chrisplyler

I did that immediately and is still doing the same.......I´m so frustrated. Maybe there is an error on the file.

What I discovered is that on the export file,the panels not only are dislocated in X but also in Z and that makes it easy to put them back in place....is not a solution but reduces my time in fixing the DWG file in several hours :).

 

Thank you guys for the effort.

Regards

 

Nachricht 12 von 20
chrisplyler
als Antwort auf: Anonymous

No, it isn't a solution to your problem, because your problem is not related to where the Project Base Point is.

 

Your problem is that the model is super far away from Revit's internal origin.

 

To find Revit's internal origin, create a dwg file from Autocad that has nothing but a couple of lines making an X over the origin. Link that file into your Revit project using the Automatic - origin to origin option. Then Zoom > Extents so you can see everything and find that X. I'll bet your building model is many miles away from it.

Nachricht 13 von 20
Anonymous
als Antwort auf: chrisplyler

chrisplyler,

 

Thank you for the advice, I tried and the model is not so far way. I even relocated the model closer to the Origin to try and the export continues to come out damage.

 

Don´t know what else to do!!!!

 

Regards.

 

Nachricht 14 von 20
chrisplyler
als Antwort auf: Anonymous

Then I'm stumped!

 

Nachricht 15 von 20
barthbradley
als Antwort auf: chrisplyler

@Anonymous: Have you cleaned up your DWG (e.g. Purge, Audit, remove hatching, etc.)? And then imported a clean instance of it into your Project? Have you tried Linking it instead? 

 

...what's more confounding to me, is that it prints correctly. Goes against WYSIWYG. 

Nachricht 16 von 20
ToanDN
als Antwort auf: Anonymous

He exports Revit to CAD, not the other way around.
Maybe he should link it t a clean file, move it close to the origin, and recreate elevation views, and link to the original linked views. It should work as I already showed in my earlier responses.
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barthbradley
als Antwort auf: ToanDN

For crying out loud, did you see all the Warnings in the Project?! No wonder. 

Nachricht 18 von 20
Anonymous
als Antwort auf: barthbradley

I saw all the warnings in the model , and I fix the ones that are more important. Not easy to control this model, is a big project with 10 people working everyday on it and only one knows about Revit :(.....

But this export situation only works normally when I link the file into other file...but that demands redo all the elevations....we have not time and people to do that :enttäuschtes_Gesicht:

 

Regards.

 

 

 

Nachricht 19 von 20
ToanDN
als Antwort auf: Anonymous

You don't have to redo the elevations. After create the elevation in the new file, VG, link tab, change the link to custom instead of by host, and find the matching elevation view from the list. It will make the view look the same as the original elevation view with all the annotations intact.
Nachricht 20 von 20
Anonymous
als Antwort auf: ToanDN

Thanks, that seems  to be the only solution also in my thoughts :leicht_lächelndes_Gesicht:

 

 

 

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