/// <summary>
/// Resize ducts to ensure that branch ducts are no
/// larger than the main duct they are tapping into.
/// </summary>
public void DuctResize(Document doc)
{
BuiltInParameter crvCharLength
= BuiltInParameter.RBS_CURVE_DIAMETER_PARAM;
Parameter ductHeight;
double updatedHeight = 0;
double twoInches = UnitUtils.Convert(2.0,
DisplayUnitType.DUT_DECIMAL_INCHES,
DisplayUnitType.DUT_DECIMAL_FEET);
FilteredElementCollector ductCollector
= new FilteredElementCollector(doc)
.OfClass(typeof(Duct));
using (Transaction transaction = new Transaction(doc))
{
if (transaction.Start("Resize Ducts for Taps")
== TransactionStatus.Started)
{
int i = 0;
foreach (Duct d in ductCollector)
{
double largestConnector = 0.0;
double previous = 0.0;
double cnnctrDim = 0.0;
ConnectorSet dctCnnctrs = d.ConnectorManager.Connectors;
int nDCs = dctCnnctrs.Size;
if (nDCs < 3)
{
// do nothing
}
else
{
foreach (Connector c in dctCnnctrs)
{
if (c.ConnectorType.ToString().Equals("End"))
{
//Do nothing because I am not interested in the "End" Connectors
}
else
{
ConnectorSet taps = c.AllRefs;
foreach (Connector cd in taps)
{
ConnectorProfileType cShape = cd.Shape;
string shapeType = cShape.ToString();
if (shapeType.Equals("Round"))
{
cnnctrDim = cd.Radius * 2.0;
}
if (shapeType.Equals("Rectangular") || shapeType.Equals("Oval"))
{
cnnctrDim = cd.Height;
}
}
if (cnnctrDim >= previous)
{
largestConnector = cnnctrDim;
previous = largestConnector;
}
else
{
largestConnector = previous;
}
}
}
try
{
if (largestConnector >= d.Height)
{
updatedHeight = largestConnector + twoInches;
i++;
}
else
{
updatedHeight = d.Height;
}
}
catch
{
if (largestConnector >= d.Diameter)
{
updatedHeight = largestConnector + twoInches;
i++;
}
else
{
updatedHeight = d.Diameter;
}
}
try
{
crvCharLength = BuiltInParameter.RBS_CURVE_HEIGHT_PARAM;
ductHeight = d.get_Parameter(crvCharLength);
ductHeight.Set(updatedHeight);
}
catch (NullReferenceException)
{
crvCharLength = BuiltInParameter.RBS_CURVE_DIAMETER_PARAM;
ductHeight = d.get_Parameter(crvCharLength);
ductHeight.Set(updatedHeight);
}
}
}
// Ask the end user whether the
// changes are to be committed or not
TaskDialog taskDialog = new TaskDialog("Revit");
if (i > 0)
{
int n = (ductCollector as ICollection <Element>).Count;
taskDialog.MainContent = i + " out of "
+ n.ToString() + " ducts will be re-sized"
+ "\n\nClick [OK] to Commit or [Cancel] "
+ "to Roll back the transaction.";
}
else
{
taskDialog.MainContent
= "None of the ducts need to be re-sized"
+ "\n\nClick [OK] to Commit or [Cancel] "
+ "to Roll back the transaction.";
}
TaskDialogCommonButtons buttons
= TaskDialogCommonButtons.Ok
| TaskDialogCommonButtons.Cancel;
taskDialog.CommonButtons = buttons;
if (TaskDialogResult.Ok == taskDialog.Show())
{
// For many various reasons, a transaction may not be committed
// if the changes made during the transaction do not result a valid model.
// If committing a transaction fails or is canceled by the end user,
// the resulting status would be RolledBack instead of Committed.
if (TransactionStatus.Committed != transaction.Commit())
{
TaskDialog.Show("Failure",
"Transaction could not be committed");
}
}
else
{
transaction.RollBack();
}
}
}
}
