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Origin of CAD Import

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darrenpedder
1038 Aufrufe, 6 Antworten

Origin of CAD Import

Hi,

 

I cannot seem to get to the bottom of an issue with using a CAD Import within a family.

 

I am trying to create a wall based plumbing fixture family, using imported 3D DWG. No matter what I do, I cannot get the family to insert at the correct level.

 

I have attached the DWG and the family. The DWG has placed the geometry at the correct position for 0,0,0. I want the centre of the shower handset to be the centre of the fixing plate.

 

When I import the CAD to revit, I have tried 'origin to origin' and 'manual origin' but makes no difference. The imported CAD inserts inside the wall (see JPG attached), but seems to go in at the correct level. I manually move the geometry into the correct place and all seems good. BUT when I then insert the family into a project, the geometry inserts at 170mm above the level.

 

Could anyone please shed some light ? I really want to be able to input the height to all my plumbing fixtures rather than calculating 'height - 170' all the time.

 

Thanks.

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ramabalanv
als Antwort auf: darrenpedder

@darrenpedder,

 

It seems, Software takes the bottom face of the model(Imported/Native model) as it level in Project for wall hosted family. 

Nachricht 3 von 7
darrenpedder
als Antwort auf: ramabalanv

Thanks. I can see this now I experiment - no matter where I place the geometry, it loads into the project as you describe. I even tried to nest the CAD geometry in a generic model family but no difference.

 

I think I have solved this by creating a face based generic family and changing the family category to plumbing fixtures.

 

As always in Revit - there is a workaround for something that doesn't work as expected/required.

Nachricht 4 von 7
barthbradley
als Antwort auf: darrenpedder


@darrenpedder wrote:

 

As always in Revit - there is a workaround for something that doesn't work as expected/required.


I'm glad you said that. Not everyone that posts here, see workarounds that way. Some badmouth workarounds, but I love 'em. 

Nachricht 5 von 7
ramabalanv
als Antwort auf: barthbradley

I posted what I have understood from the model. I did not thought my suggestion will be accepted as solution. Sorry about that. Anyway thanks for your compliments.

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barthbradley
als Antwort auf: ramabalanv

@ramabalanv: No need to apologize. You obviously offered something of value to the OP. It was a good contribution. 

 

Cheers! 

Nachricht 7 von 7
darrenpedder
als Antwort auf: barthbradley

Agreed - didn't solve my issue, but pointed me in the right direction to find a way around it.

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