Issue with Python Script

Revit
,
1

Hi All,

I am trying to learn and understand python script. I find this script that can allow me to place a family in the reference plane. But the issue is it shows an error when in the python script I would be grateful if anyone can help me to solve this issue.

Python.dyn (4.2 KB)

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import clr
clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.GeometryConversion)
from Revit.Elements import *
clr.AddReference('System')
from System.Collections.Generic import *
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
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
#The inputs to this node will be stored as a list in the IN variables.
dataEnteringNode = IN
symbol = UnwrapElement(IN[0])
refPlane = UnwrapElement(IN[1])
location = UnwrapElement(IN[2])
referenceDirection = UnwrapElement(IN[3])
out = []

symbol.Activate()
reference = Reference(refPlane)

TransactionManager.Instance.EnsureInTransaction(doc)

new = doc.Create.NewFamilyInstance(reference,location.ToXyz(),referenceDirection.ToXyz(),symbol)

TransactionManager.Instance.TransactionTaskDone()

#Assign your output to the OUT variable.
OUT = new
2

Looks like you’re trying to get it to read an empty list or a zero value.

Maybe you need a loop… Bit hard to tell with the info you’ve given.

Try feeding out the thing you’re asking it to “Activate” (I’m not aware of that command either).

3

Hey,

So I think it’s to do with your family? I just made a face based generic model and it worked (when I put the ‘activate’ in the transaction).

Hope that helps,

Mark

1 Like
4

Hello @Mason.Tabrizi
you have an error because there is nothing connected to the inputs (Python Node)
here some resources for you

https://primer.dynamobim.org/10_Custom-Nodes/10-4_Python.html

1 Like