Add a Subcategory in Detail Item Family

[gbardales]

Not sure if this could be possible.
I would like to create a new sub-category in a detail item family through Dynamo. I have about 400 detail items and I want to create a standard set of sub-categories.

[GregX]

Hello,
I have never tried it (but will try if and when I’ll have spare time) but if you have some python knowledge you could try and look at this:

create and assign subcategories in revit using python

Once you manage to get it working on one family you should implement it to work on multiple families, something like this:

Batch / Open projects or families with Dynamo

I wanted to batch edit families and have already prepared my graph that can make the changes that I want and save the file. The problem is that I can just make it with the “Current Document”. Is there a way to do it in Dynamo? In order to use DynamoAutomation I need Dynamo Studio, isn’t it? Actually, what I want to achieve is to change the font in all the Revit families? Any ideas? Should I just use DynamoAutomation? Thanks [image]

[GregX]

You could also apply a material and automatically place certain elements (if correctly selected) in this new subcategory.
I copied the code from the first link in my previous post:

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

# Import Element wrapper extension methods
clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.Elements)

# Import geometry conversion extension methods
clr.ImportExtensions(Revit.GeometryConversion)

# Import DocumentManager and TransactionManager
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

doc = DocumentManager.Instance.CurrentDBDocument
uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument

# Import RevitAPI
clr.AddReference("RevitAPI")
import Autodesk
from Autodesk.Revit.DB import *

newsubs=IN[0]

TransactionManager.Instance.EnsureInTransaction(doc)
for newsub in newsubs:
#create new sucategory
    fam_subcat = doc.Settings.Categories.NewSubcategory(doc.OwnerFamily.FamilyCategory, newsub)

#assign the mataterial(fam_mat.Id) to the subcategory
#fam_subcat.Material = famdoc.GetElement(fam_mat.Id)

#assign the subcategory to the element (s2)
#s2.Subcategory = fam_subcat
TransactionManager.Instance.TransactionTaskDone()

[gbardales]

@GregX
Thank you for all the information.
I have a good understanding of how it works but I’m still learning python and the API.
I tryied to set it up and I got this error:

Also, how would I go about running the script in all 400+ families?
Thank you for all your help.

[MartinSpence]

Hi @gbardales,

Not to hijack @GregX’s answer, but something went wrong in the formatting.
I’ve seen this happend a couple of times now where double quotation marks gets changed to " like here:

See if this works:

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

# Import Element wrapper extension methods
clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.Elements)

# Import geometry conversion extension methods
clr.ImportExtensions(Revit.GeometryConversion)

# Import DocumentManager and TransactionManager
clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

doc = DocumentManager.Instance.CurrentDBDocument
uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument

# Import RevitAPI
clr.AddReference('RevitAPI')
import Autodesk
from Autodesk.Revit.DB import *

newsubs=IN[0]

TransactionManager.Instance.EnsureInTransaction(doc)
for newsub in newsubs:
#create new sucategory
	fam_subcat = doc.Settings.Categories.NewSubcategory(doc.OwnerFamily.FamilyCategory, newsub)

#assign the mataterial(fam_mat.Id) to the subcategory
#fam_subcat.Material = famdoc.GetElement(fam_mat.Id)

#assign the subcategory to the element (s2)
#s2.Subcategory = fam_subcat
TransactionManager.Instance.TransactionTaskDone()

[GregX]

Thanks, I noticed that if I just ctrlc ctrlv pythone code on the forum it gets all messy. Instead I have to paste it “as text”…

[MartinSpence]

No probs mate. Are you going to edit the formatting, so that @gbardales can set your post as the solved post?

I’ll retract mine then so people wont get confused

[gbardales]

@GregX
@MartinSpence
The script works and creates all the subcategories in the family that I have open.
How would I go about running the script to the multiple families in an RVT project?

thank you

[GregX]

If you google “revit dynamo add parameters to families” you can get some interesting results (even if their goal is a bit different).
Right now I can’t write a graph but this might help:

Adding Shared Parameters to Family Directory

Thank you for the response! If I connect File.LoadFamily|DanEDU --> my Watch returns my list of families If I connect Application.OpenDocument File --> my Watch returns Autodesk.Revit.DB.Document Regardless - I get the same error “Application Close Document Operation Failed” [BulkUpgrade-sharedParameter_3]

I think you can edit the families in the project, but for testing purposes I would first save all the failies to a directory (save as/library/families), then in a dynamo graph input a directory, get all the content (OOTB nodes I think, or DanEdu, now Orchid), open the docuents in background (rhythm nodes i think), run my python script (connected to the open.Document node), then close and save the file to your folder.

There surely is a way to do it directly from the project but I still have to try it. I did something similar in this thread but I should edit the code a bit to make it work in your case

Load Family and the .rfa and all it's nested component to a new location

[nested%20families] I tested it quickly and once you are in the document of the host family you can select any element inside it with a filtered element collector. Here I randomly chose a nested family based on its category and its comment value, then i obtained the document. From there on I think you can do what you want. I did not do it all in one python code to make it more intuitive here on the forum First code: doc = DocumentManager.Instance.CurrentDBDocument actually here you should i…

[gbardales]

@erfajo
@GregX

Thank you for all your help.
I have been trying the nodes that @erfajo mention. They work great and there is a lot of things that I could do with them.
But I been having problems finishing the script, I posted what I been working on.
I have been getting all the families from the RVT file and try to create a set of subcategories and load family back in. Any help with the script will be appreciated.

import clr
clr.AddReference(‘RevitAPI’)
from Autodesk.Revit.DB import*

clr.AddReference(‘RevitServices’)
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application

#log builder, only for testing
#log =

#input assigned the IN variable
docs = IN[0]
subcat = IN[1]
fam_subcat =

#wrap input inside a list (if not a list)
if not isinstance(docs, list): docs = [docs]
if not isinstance(subcat, list): subcat = [subcat]

#default document set to DocumentManager.Instance.CurrentDBDocument
if docs[0] == ‘Current.Document’:
docs = [DocumentManager.Instance.CurrentDBDocument]
else: pass

#core data processing
for doc in docs:
TransactionManager.Instance.EnsureInTransaction(doc)
try:
#create new sucategory
fam_subcat = doc.Settings.Categories.NewSubcategory(doc.OwnerFamily.FamilyCategory, subcat)

    #assign the mataterial(fam_mat.Id) to the subcategory
    #fam_subcat.Material = famdoc.GetElement(fam_mat.Id)

except: pass

#assign the mataterial(fam_mat.Id) to the subcategory
#fam_subcat.Material = famdoc.GetElement(fam_mat.Id)

#assign the subcategory to the element (s2)
#s2.Subcategory = fam_subcat
TransactionManager.Instance.TransactionTaskDone()

OUT = docs

[GregX]

Sorry right now I can’t test your script. What happens when you run it? Does it load the familly or not? The only difference I see with the preiovus scripts is that you do not close the families once they are loaded, but I do not think this is the main issue

[gbardales]

I was able to make it work from directly from the RVT file and external families but I can only run it with only one family. I also try to put it inside of a node to use the lacing but it only works for the first item and the rest are nulls.
Is there anything I can change in the code to make it work? or can you point me in the right direction?

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

# Import Element wrapper extension methods
clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.Elements)

# Import geometry conversion extension methods
clr.ImportExtensions(Revit.GeometryConversion)

# Import DocumentManager and TransactionManager
clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

doc = DocumentManager.Instance.CurrentDBDocument
uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument

# Import RevitAPI
clr.AddReference('RevitAPI')
import Autodesk
from Autodesk.Revit.DB import *

newsubs=IN[0]
famdoc=IN[1]

TransactionManager.Instance.EnsureInTransaction(famdoc)

for newsub in newsubs:
#create new sucategory
	fam_subcat = famdoc.Settings.Categories.NewSubcategory(famdoc.OwnerFamily.FamilyCategory, newsub)

#assign the mataterial(fam_mat.Id) to the subcategory
#fam_subcat.Material = famdoc.GetElement(fam_mat.Id)

#assign the subcategory to the element (s2)
#s2.Subcategory = fam_subcat
TransactionManager.Instance.TransactionTaskDone()
OUT = famdoc

[peterpan03]

Thanks for the guiding.

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