The method of Linear dimensioning of Multi-pipes in Revit
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Linear dimensions mainly provide two kinds of API:
But in fact, it is also a kind of, the second can choose the dimension style.
The three main parameters:
View
Dimensioned view
Line
Dimension line
References
Stable reference
Note here that annotation views can only be done in plan or elevation views, and the example methods in this section can only be used on linear elements.
The sample code is as follows:
Route dimensioning is relatively simple and does not require access to geometry, so using this as a reference example, the method is basically consistent.
Selection selection = uiDoc.Selection
/ / Select elements that need to be dimensioned
IList referenceList = selection.PickObjects (ObjectType.Element, "Please select elements to dimension")
If (referenceList.Count < 1)
{
TaskDialog.Show ("warning", "error selecting quantity, please reselect")
}
Autodesk.Revit.DB.View view = doc.ActiveView
ViewType vt = view.ViewType
If (vt = = ViewType.FloorPlan | | vt = = ViewType.Elevation)
{
/ / get one of the elements to get its location
Element element = doc.GetElement (referenceList.ElementAt (0))
Line line = (element.Location as LocationCurve) .Curve as Line
Element element2 = doc.GetElement (referenceList.ElementAt (1))
Line line2 = (element2.Location as LocationCurve) .Curve as Line
XYZ linemiddle = line.Evaluate (0.5, true)
/ / projects the intersection of a specified point on this line
XYZ projectPoint = line2.Project (linemiddle) .XYZPoint
Line newLine = Line.CreateBound (linemiddle, projectPoint)
ReferenceArray references = new ReferenceArray ()
Foreach (Reference reference in referenceList)
{
References.Append (reference)
}
/ / call the method of creating dimensions to create
Dimension autoDimension = doc.Create.NewDimension (view, newLine, references)
}
Else
{
TaskDialog.Show ("warning", "Annotation view is not a plan view or elevation view")
}
Let's take a look at the effect:
Before labeling
Select the pipe to be labeled
The finished effect of dimensioning
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