added Revit 2020 SDK files

2026-08-28 15:52:54 +00:00 · 2019-09-11 14:43:53 +02:00
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+//
+// (C) Copyright 2003-2019 by Autodesk, Inc. All rights reserved.
+//
+// Permission to use, copy, modify, and distribute this software in
+// object code form for any purpose and without fee is hereby granted
+// provided that the above copyright notice appears in all copies and
+// that both that copyright notice and the limited warranty and
+// restricted rights notice below appear in all supporting
+// documentation.
+
+//
+// AUTODESK PROVIDES THIS PROGRAM 'AS IS' AND WITH ALL ITS FAULTS.
+// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
+// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
+// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
+// UNINTERRUPTED OR ERROR FREE.
+//
+// Use, duplication, or disclosure by the U.S. Government is subject to
+// restrictions set forth in FAR 52.227-19 (Commercial Computer
+// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
+// (Rights in Technical Data and Computer Software), as applicable. 
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Autodesk.Revit.UI;
+using Autodesk.Revit.DB;
+using Autodesk.Revit.DB.Architecture;
+
+namespace Revit.SDK.Samples.Site.CS
+{
+    /// <summary>
+    /// A command that normalizes all points in a region to the average elevation.
+    /// </summary>
+    [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
+    class SiteNormalizeTerrainInRegionCommand : IExternalCommand
+    {
+        #region IExternalCommand Members
+
+        /// <summary>
+        /// Implementation of the external command.
+        /// </summary>
+        /// <param name="commandData"></param>
+        /// <param name="message"></param>
+        /// <param name="elements"></param>
+        /// <returns></returns>
+        public Result Execute(ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements)
+        {
+            NormalizeSubregionAndPoints(commandData.Application.ActiveUIDocument);
+
+            return Result.Succeeded;
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Normalizes all points in the selected subregion to the average elevation of the host surface.
+        /// </summary>
+        /// <param name="uiDoc">The document.</param>
+        private void NormalizeSubregionAndPoints(UIDocument uiDoc)
+        {
+            Document doc = uiDoc.Document;
+
+            // Pick subregion
+            TopographySurface subregion = SiteUIUtils.PickSubregion(uiDoc);
+            TopographySurface toposurface = SiteEditingUtils.GetTopographySurfaceHost(subregion);
+            IList<XYZ> points = SiteEditingUtils.GetPointsFromSubregionExact(subregion);
+
+            // Get elevation of all points on the toposurface
+            IList<XYZ> allPoints = toposurface.GetPoints();
+            double elevation = SiteEditingUtils.GetAverageElevation(allPoints);
+
+            // Edit scope for all changes
+            using (TopographyEditScope editScope = new TopographyEditScope(doc, "Edit TS"))
+            {
+                editScope.Start(toposurface.Id);
+
+                using (Transaction t = new Transaction(doc, "Normalize terrain"))
+                {
+                    t.Start();
+
+                    // Change all points to same elevation
+                    toposurface.ChangePointsElevation(points, elevation);
+                    t.Commit();
+                }
+
+                editScope.Commit(new TopographyEditFailuresPreprocessor());
+            }
+        }
+    }
+}