How does Revit create and switch tags
This article mainly explains "how to create and switch tags in Revit". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to create and switch tags in Revit.
At the beginning, let's start with a question. There are usually a lot of marks on a beam when marking construction drawings, so we will switch marks by switching the form of marks (as shown in the following figure), so how is this realized in the code?
First take a look at API, which are the parameters we need to create a NewTag:
First parameter: we use the doc.ActiveView current active view
Second parameter: find our beam
Third parameter: whether to add arrowheads or not
The fourth parameter: there are three forms: category tag, multi-category tag and material. Let's choose the first category tag.
Fifth parameter: horizontal direction or vertical direction.
Sixth parameter: coordinates
FilteredElementCollector fil = new FilteredElementCollector (doc, uiDoc.ActiveView.Id)
Fil.OfCategory (BuiltInCategory.OST_StructuralFraming); / / Beam
Foreach (Element el in fil)
{
IndependentTag tagg = doc.Create.NewTag (doc.ActiveView, el, true, TagMode.TM_ADDBY_CATEGORY, TagOrientation.Vertical, new XYZ); / / Mark each quart beam
}
The effect achieved is:
The system is only created according to the default last choice and cannot implement a tag, so what should I do next?
There is only one sentence to use here: tagg.ChangeTypeId (id)
All integrated with the above code:
FilteredElementCollector fil = new FilteredElementCollector (doc, uiDoc.ActiveView.Id)
Fil.OfCategory (BuiltInCategory.OST_StructuralFraming); / / Beam
FilteredElementCollector filtered = new FilteredElementCollector (doc); / / callout
Filtered.OfClass (typeof (FamilySymbol)) .OfCategory (BuiltInCategory.OST_StructuralFramingTags)
ElementId id = null
Foreach (FamilySymbol tag in filtered)
{
If (tag.Name = "Beam centralized Dimensions")
{
Id = tag.Id
}
}
Foreach (Element el in fil)
{
IndependentTag tagg = doc.Create.NewTag (doc.ActiveView, el, true, TagMode.TM_ADDBY_CATEGORY, TagOrientation.Vertical, new XYZ); / / Mark each quart beam
Tagg.ChangeTypeId (id)
IndependentTag tag = doc.Create.NewTag (doc.ActiveView, el, true, TagMode.TM_ADDBY_CATEGORY, TagOrientation.Vertical, new XYZ (0,0,0))
}
Effect:
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