sample code for https://forums.autodesk.com/t5/revit-api-forum/collec…

…t-all-detail-lines-of-a-particular-subcategory/td-p/9956260
jeremytammik · Jan 6, 2021 · 8a692a6 · 8a692a6
1 parent f8a468e
commit 8a692a6
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Showing 2 changed files with 95 additions and 2 deletions.
diff --git a/BuildingCoder/BuildingCoder/CmdCollectorPerformance.cs b/BuildingCoder/BuildingCoder/CmdCollectorPerformance.cs
@@ -1069,6 +1069,98 @@ FilteredElementCollector collector
 
       collector.OfClass( typeof( DetailCurve ) );
     }
+
+    public void GetListOfLinestyles( Document doc )
+    {
+      Category c = doc.Settings.Categories.get_Item(
+        BuiltInCategory.OST_Lines );
+
+      CategoryNameMap subcats = c.SubCategories;
+
+      foreach( Category lineStyle in subcats )
+      {
+        TaskDialog.Show( "Line style", string.Format(
+          "Linestyle {0} id {1}", lineStyle.Name,
+          lineStyle.Id.ToString() ) );
+      }
+
+
+      FilteredElementCollector collector
+        = new FilteredElementCollector( doc );
+
+      ElementCategoryFilter fi 
+        = new ElementCategoryFilter( 
+          BuiltInCategory.OST_GenericLines, true );
+
+      ICollection<Element> collection 
+        = collector.OfClass( typeof( CurveElement ) )
+          .WherePasses( fi )
+          .ToElements();
+
+      TaskDialog.Show( "Number of curves", 
+        collection.Count.ToString() );
+
+      List<Element> detail_lines = new List<Element>();
+
+      foreach( Element e in collection )
+      {
+        if( e is DetailLine )
+        {
+          detail_lines.Add( e );
+        }
+      }
+
+      TaskDialog.Show( "Number of Detail Lines", 
+        detail_lines.Count.ToString() );
+
+      List<Element> some_detail_lines = new List<Element>();
+      foreach( DetailLine dl in detail_lines )
+      {
+        if( dl.LineStyle.Name == "MyNewLineStyle" )
+        {
+          some_detail_lines.Add( dl );
+        }
+      }
+
+      TaskDialog.Show( 
+        "Number of Detail Lines of MyNewLineStyle", 
+        some_detail_lines.Count.ToString() );
+
+
+      Category targetLineStyle = null;
+
+      IEnumerable<GraphicsStyle> gstyles 
+        = new FilteredElementCollector( doc )
+          .OfClass( typeof( GraphicsStyle ) )
+          .Cast<GraphicsStyle>()
+          .Where( gs => gs.GraphicsStyleCategory.Id.IntegerValue 
+            == targetLineStyle.Id.IntegerValue );
+
+      ElementId targetGraphicsStyleId 
+        = gstyles.FirstOrDefault().Id;
+
+      CurveElementFilter filter_detail 
+        = new CurveElementFilter( 
+          CurveElementType.DetailCurve );
+
+      FilterRule frule_typeId 
+        = ParameterFilterRuleFactory.CreateEqualsRule( 
+          new ElementId( 
+            BuiltInParameter.BUILDING_CURVE_GSTYLE ), 
+          targetGraphicsStyleId );
+
+      ElementParameterFilter filter_type 
+        = new ElementParameterFilter( 
+          new List<FilterRule>() { frule_typeId } );
+
+      IEnumerable<Element> lines 
+        = new FilteredElementCollector( doc )
+          .WhereElementIsNotElementType()
+          .WhereElementIsCurveDriven()
+          .WherePasses( filter_detail )
+          .WherePasses( filter_type );
+    }
+
     #endregion // Filter for detail curves
 
     #region Delete non-room-separating curve elements

diff --git a/BuildingCoder/BuildingCoder/Properties/AssemblyInfo.cs b/BuildingCoder/BuildingCoder/Properties/AssemblyInfo.cs
@@ -356,6 +356,7 @@
 // 2021-01-02 2021.0.150.11 implemented CreateConduitOffsets for https://forums.autodesk.com/t5/revit-api-forum/offset-conduit-only-by-z-axis/m-p/9972671
 // 2021-01-02 2021.0.150.12 incremented copyright year
 // 2021-01-04 2021.0.150.13 implemented CreateConduitOffsets for https://forums.autodesk.com/t5/revit-api-forum/offset-conduit-only-by-z-axis/m-p/9972671
+// 2021-01-06 2021.0.150.14 sample code for https://forums.autodesk.com/t5/revit-api-forum/collect-all-detail-lines-of-a-particular-subcategory/td-p/9956260
 //
-[assembly: AssemblyVersion( "2021.0.150.13" )]
-[assembly: AssemblyFileVersion( "2021.0.150.13" )]
+[assembly: AssemblyVersion( "2021.0.150.14" )]
+[assembly: AssemblyFileVersion( "2021.0.150.14" )]