mirror of
https://github.com/jeremytammik/RevitSdkSamples.git
synced 2026-08-06 05:01:35 +00:00
Jeremy Tammik
267 lines
11 KiB
C#
267 lines
11 KiB
C#
//
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// (C) Copyright 2003-2019 by Autodesk, Inc.
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//
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// Permission to use, copy, modify, and distribute this software in
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// object code form for any purpose and without fee is hereby granted,
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// provided that the above copyright notice appears in all copies and
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// that both that copyright notice and the limited warranty and
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// restricted rights notice below appear in all supporting
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// documentation.
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//
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// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
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// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
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// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
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// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
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// UNINTERRUPTED OR ERROR FREE.
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//
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// Use, duplication, or disclosure by the U.S. Government is subject to
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// restrictions set forth in FAR 52.227-19 (Commercial Computer
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// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
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// (Rights in Technical Data and Computer Software), as applicable.
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//
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using System;
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using System.Collections.Generic;
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using System.Collections;
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using System.Text;
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using System.Windows.Forms;
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using System.Linq;
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using Autodesk;
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using Autodesk.Revit;
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using Autodesk.Revit.DB;
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using Autodesk.Revit.UI;
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using Autodesk.Revit.DB.Structure;
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namespace Revit.SDK.Samples.CreateWallsUnderBeams.CS
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{
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/// <summary>
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/// Implements the Revit add-in interface IExternalCommand
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/// </summary>
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[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
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[Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
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[Autodesk.Revit.Attributes.Journaling(Autodesk.Revit.Attributes.JournalingMode.NoCommandData)]
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public class CreateWallsUnderBeams : IExternalCommand
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{
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// Private Members
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IList<WallType> m_wallTypeCollection; // Store all the wall types in current document
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ArrayList m_beamCollection; // Store the selection of beams in Revit
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WallType m_selectedWallType; // Store the selected wall type
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Level m_level; // Store the level which wall create on
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Boolean m_isStructural; // Indicate whether create structural walls
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String m_errorInformation; // Store the error information
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const Double PRECISION = 0.0000000001; // Define a precision of double data
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// Properties
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/// <summary>
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/// Inform all the wall types can be created in current document
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/// </summary>
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public IList<WallType> WallTypes
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{
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get
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{
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return m_wallTypeCollection;
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}
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}
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/// <summary>
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/// Inform the wall type selected by the user
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/// </summary>
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public Object SelectedWallType
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{
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set
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{
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m_selectedWallType = value as WallType;
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}
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}
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/// <summary>
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/// Inform whether the user want to create structural or architecture walls
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/// </summary>
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public Boolean IsSturctual
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{
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get
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{
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return m_isStructural;
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}
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set
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{
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m_isStructural = value;
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}
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}
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// Methods
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/// <summary>
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/// Default constructor of CreateWallsUnderBeams
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/// </summary>
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public CreateWallsUnderBeams()
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{
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m_wallTypeCollection = new List<WallType>();
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m_beamCollection = new ArrayList();
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m_isStructural = true;
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}
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#region IExternalCommand Members Implementation
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/// <summary>
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/// Implement this method as an external command for Revit.
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/// </summary>
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/// <param name="commandData">An object that is passed to the external application
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/// which contains data related to the command,
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/// such as the application object and active view.</param>
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/// <param name="message">A message that can be set by the external application
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/// which will be displayed if a failure or cancellation is returned by
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/// the external command.</param>
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/// <param name="elements">A set of elements to which the external application
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/// can add elements that are to be highlighted in case of failure or cancellation.</param>
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/// <returns>Return the status of the external command.
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/// A result of Succeeded means that the API external method functioned as expected.
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/// Cancelled can be used to signify that the user cancelled the external operation
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/// at some point. Failure should be returned if the application is unable to proceed with
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/// the operation.</returns>
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public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,
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ref string message, Autodesk.Revit.DB.ElementSet elements)
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{
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Autodesk.Revit.UI.UIApplication revit = commandData.Application;
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UIDocument project = revit.ActiveUIDocument;
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// Find the selection of beams in Revit
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ElementSet selection = new ElementSet();
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foreach (ElementId elementId in project.Selection.GetElementIds())
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{
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selection.Insert(project.Document.GetElement(elementId));
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}
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foreach (Autodesk.Revit.DB.Element e in selection)
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{
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FamilyInstance m = e as FamilyInstance;
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if (null != m)
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{
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if (StructuralType.Beam == m.StructuralType)
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{
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// Store all the beams the user selected in Revit
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m_beamCollection.Add(e);
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}
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}
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}
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if (0 == m_beamCollection.Count)
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{
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message = "Can not find any beams.";
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return Autodesk.Revit.UI.Result.Failed;
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}
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// Make sure all the beams have horizontal analytical line
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if (!CheckBeamHorizontal())
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{
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message = m_errorInformation;
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return Autodesk.Revit.UI.Result.Failed;
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}
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// Search all the wall types in the Revit
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FilteredElementCollector filteredElementCollector = new FilteredElementCollector(project.Document);
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filteredElementCollector.OfClass(typeof(WallType));
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m_wallTypeCollection = filteredElementCollector.Cast<WallType>().ToList<WallType>();
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// Show the dialog for the user select the wall style
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using (CreateWallsUnderBeamsForm displayForm = new CreateWallsUnderBeamsForm(this))
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{
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if (DialogResult.OK != displayForm.ShowDialog())
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{
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return Autodesk.Revit.UI.Result.Failed;
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}
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}
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// Create the walls which along and under the path of the beams.
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if (!BeginCreate(project.Document))
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{
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message = m_errorInformation;
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return Autodesk.Revit.UI.Result.Failed;
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}
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// If everything goes right, return succeeded.
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return Autodesk.Revit.UI.Result.Succeeded;
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}
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#endregion IExternalCommand Members Implementation
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/// <summary>
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/// Create the walls which along and under the path of the selected beams
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/// </summary>
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/// <param name="project"> A reference of current document</param>
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/// <returns>true if there is no error in process; otherwise, false.</returns>
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Boolean BeginCreate(Autodesk.Revit.DB.Document project)
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{
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// Begin to create walls along and under each beam
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for (int i = 0; i < m_beamCollection.Count; i++)
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{
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// Get each selected beam.
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FamilyInstance m = m_beamCollection[i] as FamilyInstance;
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if (null == m)
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{
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m_errorInformation = "The program should not go here.";
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return false;
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}
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// the wall will be created using beam's model line as path.
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if (!(m.Location is LocationCurve))
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{
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m_errorInformation = "The beam should have location curve.";
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return false;
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}
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Curve beamCurve = (m.Location as LocationCurve).Curve;
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// Get the level using the beam's reference level
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Autodesk.Revit.DB.ElementId levelId = m.get_Parameter(BuiltInParameter.INSTANCE_REFERENCE_LEVEL_PARAM).AsElementId();
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m_level = project.GetElement(levelId) as Level;
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if (null == m_level)
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{
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m_errorInformation = "The program should not go here.";
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return false;
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}
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Transaction t = new Transaction(project, Guid.NewGuid().GetHashCode().ToString());
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t.Start();
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Wall createdWall = Wall.Create(project, beamCurve, m_selectedWallType.Id,
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m_level.Id, 10, 0, true, m_isStructural);
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if (null == createdWall)
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{
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m_errorInformation = "Can not create the walls";
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return false;
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}
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// Modify some parameters of the created wall to make it look better.
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Double offset = beamCurve.GetEndPoint(0).Z - m_level.Elevation;
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createdWall.get_Parameter(BuiltInParameter.WALL_BASE_CONSTRAINT).Set(levelId);
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createdWall.get_Parameter(BuiltInParameter.WALL_BASE_OFFSET).Set(offset - 3000 / 304.8);
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createdWall.get_Parameter(BuiltInParameter.WALL_HEIGHT_TYPE).Set(levelId);
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t.Commit();
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}
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return true;
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}
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/// <summary>
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/// Check whether all the beams have horizontal analytical line
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/// </summary>
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/// <returns>true if each beam has horizontal analytical line; otherwise, false.</returns>
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Boolean CheckBeamHorizontal()
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{
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for (int i = 0; i < m_beamCollection.Count; i++)
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{
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// Get the analytical curve of each selected beam.
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// And check if Z coordinate of start point and end point of the curve are same.
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FamilyInstance m = m_beamCollection[i] as FamilyInstance;
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Curve beamCurve = m.Location is LocationCurve ? (m.Location as LocationCurve).Curve : null;
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if (null == beamCurve)
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{
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m_errorInformation = "The beam should have location curve.";
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return false;
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}
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else if ((PRECISION <= beamCurve.GetEndPoint(0).Z - beamCurve.GetEndPoint(1).Z)
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|| (-PRECISION >= beamCurve.GetEndPoint(0).Z - beamCurve.GetEndPoint(1).Z))
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{
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m_errorInformation = "Please only select horizontal beams.";
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return false;
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}
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}
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return true;
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}
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}
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}
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