Place face based family on reference plane through dynamo

[jschnare]

@awilliams

import clr clr.AddReference(‘ProtoGeometry’) from Autodesk.DesignScript.Geometry import * 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 refPlane = UnwrapElement(IN[0]) point = UnwrapElement(IN[1]) refDir = UnwrapElement(IN[2]) symbol = UnwrapElement(IN[3]) TransactionManager.Instance.EnsureInTransaction(doc) newFam = doc.Create.NewFamilyInstance(refPlane.GetReference(), XYZ(point.X, point.Y, point.Z), XYZ(refDir.X,refDir.Y,refDir.Z), symbol) TransactionManager.Instance.TransactionTaskDone() #Assign your output to the OUT variable. OUT = newFam

BUMP

[Ricardo_Freitas]

This occurs in consequence of non properly “referenceDirection” usage.

I made several tests and I’m discovered that this direction should be orthogonal to the normal of the plane of the host.

The method NewFamilyInstance have a lot of overloads and I used this as follow below

Here is my code.

#Copyright(c) 2016, Dimitar Venkov
# @5devene, dimitar.ven@gmail.com
# edited by onBIM
# www.onbim.com.br

import clr

clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument

clr.AddReference("RevitAPI")
import Autodesk

clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)
clr.ImportExtensions(Revit.GeometryConversion)

toggle = IN[0]
familyType = UnwrapElement(IN[1])
referencePlane = UnwrapElement(IN[2])
refDirection = IN[3].ToXyz(True)
locationPoints = IN[4]

result = []
if toggle:
strt = Autodesk.Revit.DB.Structure.StructuralType.NonStructural

TransactionManager.Instance.EnsureInTransaction(doc)

if not familyType.IsActive : familyType.Activate()

for dynPoint in locationPoints:
    revitPoint = dynPoint.ToXyz(True)
    
    # nFamily = doc.Create.NewFamilyInstance(revitPoint, familyType, refDirection, referencePlane, strt)
    nFamily = doc.Create.NewFamilyInstance(referencePlane.GetReference(), revitPoint, refDirection, familyType)

    result.append(nFamily)

# Original code for Dimitar Venkov
# for i in xrange(len(locationPoints)):
# 	p = locationPoints[i].ToXyz(True)
    
    # if not familyType[j].IsActive : familyType[j].Activate()
    # level = doc.GetElement(referencePlane[k].LevelId)
    # nf = doc.Create.NewFamilyInstance(p,familyType[j],referencePlane[k],level,strt)
    # result.append(nf.ToDSType(False))
TransactionManager.Instance.TransactionTaskDone()

OUT = result

[Ricardo_Freitas]

The result was satisfactory.

[Fred1]

Hi Ricardo,
Would you be so kind to share the dyn-file you used, so I can see how this script works (input/output).
Thanks in advance.
Best regards, Fred