nodes/0.7.x/SelectionSet.ByElements.dyf

<Workspace Version="0.7.5.3566" X="192.965532168683" Y="170.126008269534" zoom="0.852017678554967" Description="Creates a selection set of the given elements. Note that if a selection set of the given name already exists in the model, its contents will be replaced. Also, if the selection set is already applied as a view filter, the view filter will have to be manually updated in the visibility / graphic overrides." Category="Clockwork.Revit.Elements.SelectionSet.Create" Name="SelectionSet.ByElements" ID="abdd4174-8c8f-45ae-90a4-ffa3b369941b">
  <Elements>
    <DSIronPythonNode.PythonNode type="DSIronPythonNode.PythonNode" guid="497f8c29-91da-48c6-ad82-483dce66eca1" nickname="Python Script" x="380.526308663078" y="55.9947450374601" isVisible="true" isUpstreamVisible="true" lacing="Disabled" inputcount="2">
      <Script>import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
from System.Collections.Generic import *

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

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

doc = DocumentManager.Instance.CurrentDBDocument
name = IN[1]

# create itemset
items = UnwrapElement(IN[0])
ids = list()
for item in items:
	ids.append(item.Id)
itemset = List[ElementId](ids)

# collect all existing filters from the model 
names = list()
collector = FilteredElementCollector(doc)
filters = collector.OfClass(FilterElement).ToElements();

selset = False
TransactionManager.Instance.EnsureInTransaction(doc)
# if a filter of that name already exists, delete its content
for filter in filters:
	if str(filter.Name) == name:
		filter.Clear()
		selset = filter
# create a new selection set if it doesn't already exist
if selset == False:
	selset = SelectionFilterElement.Create(doc,name)
# add the items to the selection set
selset.AddSet(itemset)
TransactionManager.Instance.TransactionTaskDone()
OUT = selset.ToDSType(False)</Script>
    </DSIronPythonNode.PythonNode>
    <Dynamo.Nodes.Function type="Dynamo.Nodes.Function" guid="02efed4a-91a6-41d9-a14c-dc354836c16d" nickname="Turn Into List" x="199" y="29" isVisible="true" isUpstreamVisible="true" lacing="Disabled">
      <ID value="cd09ad33-8c34-4850-ac26-24448d92c38f" />
      <Name value="Turn Into List" />
      <Description value="Turns an element (or a nested list) into a flat list" />
      <Inputs>
        <Input value="item" />
      </Inputs>
      <Outputs>
        <Output value="" />
      </Outputs>
    </Dynamo.Nodes.Function>
    <Dynamo.Nodes.Symbol type="Dynamo.Nodes.Symbol" guid="3848e8d6-26a7-4b23-b905-870458cef8f2" nickname="Input" x="228.868490534988" y="102.778953069538" isVisible="true" isUpstreamVisible="true" lacing="Disabled">
      <Symbol value="Name" />
    </Dynamo.Nodes.Symbol>
    <Dynamo.Nodes.Symbol type="Dynamo.Nodes.Symbol" guid="131449f2-4dbf-49b7-be5c-6d6332a0d383" nickname="Input" x="37.557906139075" y="28.1684296043063" isVisible="true" isUpstreamVisible="true" lacing="Disabled">
      <Symbol value="Element(s)" />
    </Dynamo.Nodes.Symbol>
    <Dynamo.Nodes.Output type="Dynamo.Nodes.Output" guid="2dfefa93-2b2b-4c60-8cbd-6134665af54d" nickname="Output" x="604.526308663078" y="55.9947450374601" isVisible="true" isUpstreamVisible="true" lacing="Disabled">
      <Symbol value="SelectionSet" />
    </Dynamo.Nodes.Output>
  </Elements>
  <Connectors>
    <Dynamo.Models.ConnectorModel start="497f8c29-91da-48c6-ad82-483dce66eca1" start_index="0" end="2dfefa93-2b2b-4c60-8cbd-6134665af54d" end_index="0" portType="0" />
    <Dynamo.Models.ConnectorModel start="02efed4a-91a6-41d9-a14c-dc354836c16d" start_index="0" end="497f8c29-91da-48c6-ad82-483dce66eca1" end_index="0" portType="0" />
    <Dynamo.Models.ConnectorModel start="3848e8d6-26a7-4b23-b905-870458cef8f2" start_index="0" end="497f8c29-91da-48c6-ad82-483dce66eca1" end_index="1" portType="0" />
    <Dynamo.Models.ConnectorModel start="131449f2-4dbf-49b7-be5c-6d6332a0d383" start_index="0" end="02efed4a-91a6-41d9-a14c-dc354836c16d" end_index="0" portType="0" />
  </Connectors>
  <Notes />
</Workspace>