Revitapi geometry got empty list

Revit
,
14

Hi,
here another workaround geometry conversion, using Solid.ByJoinedSurfaces() (only for solids with planar faces)

image
image1773×1039 101 KB

import clr
import System
import sys
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *
import Autodesk.DesignScript.Geometry as DS


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

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

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

	
def get_AllSolid(lst_elem, inc = 0):
	# sub functon
	def populate_lstGeo(g):
		if isinstance(g, Solid) and g.Volume > 0: 
			solids.append(g)
		elif isinstance(g, GeometryInstance):
			geoInst.append(g)
		else:pass
	#
	# main  recursive function		
	global opt
	solids = []
	geoInst = []
	lst_elem = lst_elem if hasattr(lst_elem, "__iter__") else [lst_elem]
	if len(lst_elem) > 0 and inc < 2000:
		for elem in lst_elem:
			if isinstance(elem, GeometryInstance):
				for j in elem.GetInstanceGeometry():
					populate_lstGeo(j)			
			else:
				geoSet = elem.get_Geometry(opt)
				for i in geoSet:
					populate_lstGeo(i)
		return solids + get_AllSolid(geoInst, inc + 1)
	else:
		return []
		

elem = UnwrapElement(IN[0])

opt = Options()
solids = get_AllSolid(elem)

ds_Solids = []
for s in solids:
	try:
		ds_Solid = s.ToProtoType()
		ds_Solids.append(ds_Solid)
	except:
		# failed conversion DB.Solid to Solid Prototype -> try get make Solid with ByJoinedSurfaces 
		ds_face = []
		for f in s.Faces:
			try:
				ds_face.extend(f.ToProtoType())
			except:
				# failed conversion DB.Face to Prototype -> try get make Surface with PolyCurves.Patch() 
				ds_edges = [c.ToProtoType() for curveloop in f.GetEdgesAsCurveLoops() for c in  curveloop]
				ds_poly_edges = PolyCurve.ByJoinedCurves(ds_edges)
				ds_face.append(ds_poly_edges.Patch())
		ds_Solid = DS.Solid.ByJoinedSurfaces(ds_face)
		ds_Solids.append(ds_Solid)
		

OUT = ds_Solids
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