Learning Forum

[Mike3000]

What is the best way to assign items to a named selection in ACT?

I know how to browse through items (parts, bodies, etc.) in the structure tree. But it seems to me that it is not possible to assign an item, for example a body directly to a named selection. An intermediate step seems to be to gather items in a selection and then assign the contents of the selection to a named selection.

However, I do not manage to add the items to a selection programmatically. The methods NewSelection as well as AddSelection need an input argument of type ISelectionInfo but I do not know how to obtain this from the Items I am browsing.


Below is an example where I have tried to assign each part to a named selection.

---

#Model
model = ExtAPI.DataModel.Project.Model

# Get parts
Parts = model.Geometry.GetChildren(DataModelObjectCategory.Part,True)

# The procedure will be included in a loop later. Just using first part in test.
MyPart = Parts[0]

# Selection
SlMn = ExtAPI.SelectionManager
SlMn.ClearSelection()

#

---

>>> Missing part: Adding "MyPart" to current selection <<<

---

# SlMn.NewSelection()

# Create named selection
NSn = model.NamedSelections
MyNS = NSn.AddNamedSelection()
MyNS.Name = "Part0"
MyNS.Location = SlMn.CurrentSelection

[Mike3000]

Meanwhile, I created a solution myself. It creates named selections for every part and assigns the part name to the corresponding named selection.

# Selection
SlMn = ExtAPI.SelectionManager
SlMn.ClearSelection()
Sel = SlMn.CreateSelectionInfo(SelectionTypeEnum.GeometryEntities)

#Model
model = ExtAPI.DataModel.Project.Model

# Get parts
Parts = model.Geometry.GetChildren(DataModelObjectCategory.Part,True)

print("Listing properties of Items:")
with Transaction():             # Suppress GUI update until finish to improve speed
    for Part in Parts:
        PName = Part.Name
        # print("Part name: ",PName)
       
        tmp_ls = []
        for Body in Part.Children:
            BName = Body.Name
            BId = Body.GetGeoBody().Id
            #print("Body name: "+BName+" ,BId: "+str(Id))
            tmp_ls.append(BId)                                    # Collect all body Ids in temporary list

        # ExtAPI.SelectionManager.NewSelection(Sel)
        Sel.Ids = tmp_ls
        print("Sel.Ids: ",Sel.Ids)
        # Sel.Entities = [Body.GetGeoBody()]
        # Create named selection
        NSn = model.NamedSelections
        MyNS = NSn.AddNamedSelection()
        MyNS.Name = Part.Name
        MyNS.Location = Sel

[a_l_o]

Hi Mike,

Thank you so much for your script! It helped me a lot, cheers to you for posting it.

Greets! a-l-o

[Rob]

Thanks for posting the solution: we're very limited in how much coding support we're allowed to provide so always useful when users (and the wider community) can post answers. 

[Erik Kostson]

Thank you - closing this post.

Erik