public Result setup_stairs()
{
// https://help.autodesk.com/cloudhelp/2018/ENU/Revit-API/Revit_API_Developers_Guide/Revit_Geometric_Elements/Stairs_and_Railings/Creating_and_Editing_Stairs.html
XYZ stairsline = new XYZ(146 / 12.0, 165 / 12.0, level.Elevation);
ElementId newStairsId = null;
using (StairsEditScope newStairsScope = new StairsEditScope(doc, "New Stairs"))
{
newStairsId = newStairsScope.Start(level.Id, level_above.Id);
using (Transaction t = new Transaction(doc))
{
t.Start("Create window");
Line locationLine = Line.CreateBound(
stairsline, stairsline.Add(new XYZ(15, 0, 0)));
StairsRun newRun2 = StairsRun.CreateStraightRun(doc, newStairsId, locationLine, StairsRunJustification.Center);
// newRun2.ActualRunWidth = 10;
t.Commit();
}
newStairsScope.Commit(new MyRevit.StairsFailurePreprocessor());
}
return(Result.Succeeded);
}
/// <summary>
/// This method creates the sketched run in Revit document.
/// </summary>
/// <param name="rvtDoc">Revit Document</param>
/// <param name="winderRunId">Created winder run</param>
private void CreateWinderRun(Document rvtDoc, ref ElementId winderRunId)
{
using (StairsEditScope stairsMode = new StairsEditScope(rvtDoc, GetType().Name))
{
var winderOldRun = rvtDoc.GetElement(winderRunId) as StairsRun;
var stairsId = ElementId.InvalidElementId;
// Non-existed stairs, create a new one.
if (winderOldRun == null)
{
// Find two levels to create a stairs between them
FilteredElementCollector filterLevels = new FilteredElementCollector(rvtDoc);
var levels = filterLevels.OfClass(typeof(Level)).ToElements();
List <Element> levelList = new List <Element>();
levelList.AddRange(levels);
levelList.Sort((a, b) =>
{ return(((Level)a).Elevation.CompareTo(((Level)b).Elevation)); });
// Start the stairs edit mode
stairsId = stairsMode.Start(levelList[0].Id, levelList[1].Id);
}
else // using the existed stairs
{
// Start the stairs edit mode
stairsId = stairsMode.Start(winderOldRun.GetStairs().Id);
}
using (Transaction winderTransaction = new Transaction(rvtDoc))
{
// Start the winder creation transaction
winderTransaction.Start(GetType().Name);
// The boundaries is consist of internal and external boundaries.
List <Curve> boundarys = new List <Curve>();
boundarys.AddRange(InnerBoundary);
boundarys.AddRange(OuterBoundary);
// Calculate the run elevation.
Stairs stairs = rvtDoc.GetElement(stairsId) as Stairs;
double elevation = ControlPoints[0].Z;
double actualElevation = Math.Max(elevation, stairs.BaseElevation);
// Create the run
StairsRun run = StairsRun.CreateSketchedRun(rvtDoc, stairsId,
actualElevation, boundarys, RiserLines, CenterWalkpath);
if (ElementId.InvalidElementId != winderRunId)
{
// Delete the old run
rvtDoc.Delete(winderRunId);
}
// output the new run
winderRunId = run.Id;
// Finish the winder run creation.
winderTransaction.Commit();
}
// Finish the stairs Edit mode.
stairsMode.Commit(new StairsEditScopeFailuresPreprocessor());
}
}
/// <summary>
/// Execute the creation of the specified stairs assembly.
/// </summary>
public void GenerateStairs()
{
SetupLevels();
// Prepare and maintain StairsEditScope for stairs creation activities
using (StairsEditScope editScope = new StairsEditScope(document, "Stairs Automation"))
{
// Instantiate the new stairs element.
ElementId stairsElementId = editScope.Start(BottomLevel.Id, TopLevel.Id);
// Remember the stairs for use in creation of the run and landing configurations.
m_stairs = document.GetElement(stairsElementId) as Stairs;
// Setup a transaction for use during the run and landing creation
using (Transaction t = new Transaction(document, "Stairs Automation"))
{
t.Start();
// Setup the configuration
IStairsConfiguration configuration = SetupHardcodedConfiguration();
if (configuration == null)
{
return;
}
// Create each run
int numberOfRuns = configuration.GetNumberOfRuns();
for (int i = 0; i < numberOfRuns; i++)
{
configuration.CreateStairsRun(document, stairsElementId, i);
}
// Create each landing
int numberOfLandings = configuration.GetNumberOfLandings();
for (int i = 0; i < numberOfLandings; i++)
{
configuration.CreateLanding(document, stairsElementId, i);
}
t.Commit();
}
editScope.Commit(
new StairsEditScopeFailuresPreprocessor());
}
}
/// <summary>
/// Retrieve the system default stairs data, like run width and tread depth.
/// </summary>
/// <param name="rvtDoc">Revit Document</param>
/// <param name="runWidth">Stairs run width</param>
/// <param name="treadDepth">Stairs tread depth</param>
private void GetStairsData(Document rvtDoc, out double runWidth, out double treadDepth)
{
FilteredElementCollector filterLevels = new FilteredElementCollector(rvtDoc);
var levels = filterLevels.OfClass(typeof(Level)).ToElements();
if (levels.Count < 2)
{
throw new InvalidOperationException("Need two Levels to create Stairs.");
}
List <Element> levelList = new List <Element>();
levelList.AddRange(levels);
levelList.Sort((a, b) => { return(((Level)a).Elevation.CompareTo(((Level)b).Elevation)); });
using (StairsEditScope stairsMode = new StairsEditScope(rvtDoc, "DUMMY STAIRS SCOPE"))
{
var stairsId = stairsMode.Start(levelList[0].Id, levelList[1].Id);
Stairs stairs = rvtDoc.GetElement(stairsId) as Stairs;
StairsType stairsType = rvtDoc.GetElement(stairs.GetTypeId()) as StairsType;
runWidth = stairsType.MinRunWidth;
treadDepth = stairs.ActualTreadDepth;
}
}