Hide Level Heads and Elevation Markers

[joaofmoco]

Hello,

I have been working on a Revit Addin and, so far, the end result is in the image bellow:

However, I want the Level Heads visible in the viewports to the left, the elevation markers and the axis arrows in the right-most viewport to not be visible. Bellow is parts of the code I have so far:

CreateView.cs (Creates views visible in the left-most viewports):

#region Namespaces
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
#endregion

namespace RevitAddin
{
    [Transaction(TransactionMode.Manual)]
    class CreateViewCommand : IExternalCommand
    {
        public Result Execute(
          ExternalCommandData commandData1,
          ref string message,
          ElementSet elements)
        {
            UIApplication uiapp = commandData1.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            Application app = uiapp.Application;
            Document doc = uidoc.Document;

            // Get available Views - Filtered Element Collector
            FilteredElementCollector colViewFamilies = new FilteredElementCollector(doc);
            colViewFamilies.OfClass(typeof(ViewFamilyType));

            // Find 3D View type views
            var view3DFamilyTypes = from elem in colViewFamilies
                                  let type = elem as ViewFamilyType
                                  where type.ViewFamily == ViewFamily.ThreeDimensional
                                  select type;

            // Modify document within a transaction
            using (Transaction tx1 = new Transaction(doc))
            {
                tx1.Start("CreateView");

                // Arrays with the XYZ coordinates of the up and forward vectors for the needed views
                XYZ[] positionsUp = new XYZ[3];
                positionsUp[0] = new XYZ(0, 0, 1); // Left view
                positionsUp[1] = new XYZ(0, 0, 1); // Front view
                positionsUp[2] = new XYZ(1, 0, 0); // Top view

                XYZ[] positionsForward = new XYZ[3];
                positionsForward[0] = new XYZ(1, 0, 0); // Left view
                positionsForward[1] = new XYZ(0, 1, 0); // Front view
                positionsForward[2] = new XYZ(0, 0, -1); // Top view

                // Create new 2D Views of the model with different orientations
                for (int i = 0; i < 3; i++)
                {
                    View3D view = View3D.CreateIsometric(doc, view3DFamilyTypes.Last().Id);
                    XYZ eye = new XYZ(0, 0, 0);
                    XYZ up = positionsUp[i];
                    XYZ forward = positionsForward[i];
                    view.SetOrientation(new ViewOrientation3D(eye, up, forward));
                    view.DetailLevel = ViewDetailLevel.Fine;
                    view.Scale = 300;

                    // Disable Analytical Model category Graphic Override
                    foreach(Category cat in doc.Settings.Categories)
                    {
                        if(cat.CategoryType == CategoryType.AnalyticalModel)
                        {
                            if (view.CanCategoryBeHidden(cat.Id))
                            {
                                view.SetCategoryHidden(cat.Id, true);
                            }
                        }
                    }
                }

                tx1.Commit();
            }
            return Result.Succeeded;
        }
    }
}

AddViewToSheetCommand.cs (Gets created views and Level 1 (default level), creates viewports and adds them to a sheet):

#region Namespaces
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
#endregion

namespace RevitAddin
{
    [Transaction(TransactionMode.Manual)]
    class AddViewToSheetCommand : IExternalCommand
    {
        public Result Execute(
          ExternalCommandData commandData,
          ref string message,
          ElementSet elements)
        {
            UIApplication uiapp = commandData.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            Application app = uiapp.Application;
            Document doc = uidoc.Document;

            // Filtered Element Collector list for the 3D Views
            FilteredElementCollector collector3DViews = new FilteredElementCollector(doc);
            collector3DViews.OfClass(typeof(View3D));
            List<View3D> all3DViews = collector3DViews.Cast<View3D>().ToList();

            // Filtered Element Collector for the Floor Plans
            FilteredElementCollector collectorFloorPlans = new FilteredElementCollector(doc);
            collectorFloorPlans.OfClass(typeof(ViewPlan));
            List<ViewPlan> allViewPlans = collectorFloorPlans.Cast<ViewPlan>().ToList();

            // Filtered Element Collector list for Sheet Views
            FilteredElementCollector collectorSheetViews = new FilteredElementCollector(doc);
            collectorSheetViews.OfClass(typeof(ViewSheet));
            List<ViewSheet> allSheetViews = collectorSheetViews.Cast<ViewSheet>().ToList();

            // Grab created Sheet View
            ViewSheet sheet = allSheetViews.LastOrDefault();

            // Grab default level 1 floor plan
            ViewPlan level1 = allViewPlans.First(n => n.Name == "Level 1");

            // Grab all created Views
            View3D v1 = all3DViews[all3DViews.Count - 3];
            View3D v2 = all3DViews[all3DViews.Count - 2];
            View3D v3 = all3DViews[all3DViews.Count - 1];

            // Get ids of Project Points
            List<ElementId> basePointIds = new FilteredElementCollector(uidoc.Document, level1.Id)
                .WhereElementIsNotElementType()
                .OfClass(typeof(BasePoint))
                .ToElementIds()
                .ToList();

            // Get ids for the view's Elevation Markers points
            List<ElementId> viewElevationMarkerIds = new FilteredElementCollector(uidoc.Document, level1.Id)
                .WhereElementIsNotElementType()
                .OfClass(typeof(ElevationMarker))
                .ToElementIds()
                .ToList();

            // Modify document within a transaction
            using (Transaction tx3 = new Transaction(doc))
            {
                tx3.Start("AddViewToSheet");

                // Edit level1 to fit criteria
                level1.DetailLevel = ViewDetailLevel.Fine;
                level1.Scale = 300;
                if (basePointIds?.Count > 0)
                    level1.HideElements(basePointIds);
                if (viewElevationMarkerIds?.Count > 0)
                    level1.HideElements(viewElevationMarkerIds);

                // Set default viewport to "No Title" type
                ElementType elementType = new FilteredElementCollector(doc)
                    .OfClass(typeof(ElementType)).Cast<ElementType>()
                    .Where(x => x.Name == "No Title").First();
                doc.SetDefaultElementTypeId(ElementTypeGroup.ViewportType, elementType.Id);

                // Add 4 viewports, 1 for each view
                Viewport viewport1 = Viewport.Create(doc, sheet.Id, v1.Id, new XYZ(0.45, 0.30, 0));
                Viewport viewport2 = Viewport.Create(doc, sheet.Id, v2.Id, new XYZ(0.35, 0.85, 0));
                Viewport viewport3 = Viewport.Create(doc, sheet.Id, v3.Id, new XYZ(0.45, 0.50, 0));
                Viewport viewport4 = Viewport.Create(doc, sheet.Id, level1.Id, new XYZ(1, 0.40, 0));

                tx3.Commit();
            }

            return Result.Succeeded;
        }
    }
}

What is missing here? I've been having this issue for a while so any feedback is appreciated.

Also, bellow is the test .rvt document and the .sln document for the addin.

[jeremy_tammik]

Sorry for repeating myself hundreds of times over, but somehow I have become an anti-ToList fanatic.

You can save yourself some code and your computer some performance time and memory space by avoiding the calls to ToList for  the base point and other ids. You may need to convert them from List to ICollection or something, but it will save (minimal) code, space and execution time.

I'm sorry this does not answer your question, though...

[joaofmoco]

Hello Jeremy and thank you for your reply,

Although this does not answer my question, I appreciate the suggestion and I will figure out a way to not use .ToList so to save performance.

Thank you

[joaofmoco · Accepted solution]

I have figured the solutions for my issue and I'll leave the corrected code bellow:

CreateViewCommand.cs:

#region Namespaces
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
#endregion

namespace RevitAddin
{
    [Transaction(TransactionMode.Manual)]
    class CreateViewCommand : IExternalCommand
    {
        public Result Execute(
          ExternalCommandData commandData1,
          ref string message,
          ElementSet elements)
        {
            UIApplication uiapp = commandData1.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            Application app = uiapp.Application;
            Document doc = uidoc.Document;

            // Get available Views - Filtered Element Collector
            FilteredElementCollector colViewFamilies = new FilteredElementCollector(doc);
            colViewFamilies.OfClass(typeof(ViewFamilyType));

            // Find 3D View type views
            var view3DFamilyTypes = from elem in colViewFamilies
                                  let type = elem as ViewFamilyType
                                  where type.ViewFamily == ViewFamily.ThreeDimensional
                                  select type;
            
            // Get id list of the elements regarding the NSWE building sections on the level 1 view
            var levelHeadsCollector = new FilteredElementCollector(doc)
                .OfCategory(BuiltInCategory.OST_Levels)
                .ToElementIds();

            // Modify document within a transaction
            using (Transaction tx1 = new Transaction(doc))
            {
                tx1.Start("CreateView");

                // Arrays with the XYZ coordinates of the up and forward vectors for the needed views
                XYZ[] positionsUp = new XYZ[3];
                positionsUp[0] = new XYZ(0, 0, 1); // Left view
                positionsUp[1] = new XYZ(0, 0, 1); // Front view
                positionsUp[2] = new XYZ(1, 0, 0); // Top view

                XYZ[] positionsForward = new XYZ[3];
                positionsForward[0] = new XYZ(1, 0, 0); // Left view
                positionsForward[1] = new XYZ(0, 1, 0); // Front view
                positionsForward[2] = new XYZ(0, 0, -1); // Top view

                // Create new 2D Views of the model with different orientations
                for (int i = 0; i < 3; i++)
                {
                    View3D view = View3D.CreateIsometric(doc, view3DFamilyTypes.Last().Id);
                    XYZ eye = new XYZ(0, 0, 0);
                    XYZ up = positionsUp[i];
                    XYZ forward = positionsForward[i];
                    view.SetOrientation(new ViewOrientation3D(eye, up, forward));
                    view.DetailLevel = ViewDetailLevel.Fine;
                    view.Scale = 300;
                    view.HideElements(levelHeadsCollector);


                    // Disable Analytical Model category Graphic Override
                    foreach (Category cat in doc.Settings.Categories)
                    {
                        if(cat.CategoryType == CategoryType.AnalyticalModel)
                        {
                            if (view.CanCategoryBeHidden(cat.Id))
                            {
                                view.SetCategoryHidden(cat.Id, true);
                            }
                        }
                    }
                }

                tx1.Commit();
            }
            return Result.Succeeded;
        }
    }
}

AddViewToSheetCommand.cs:

#region Namespaces
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
#endregion

namespace RevitAddin
{
    [Transaction(TransactionMode.Manual)]
    class AddViewToSheetCommand : IExternalCommand
    {
        public Result Execute(
          ExternalCommandData commandData,
          ref string message,
          ElementSet elements)
        {
            UIApplication uiapp = commandData.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            Application app = uiapp.Application;
            Document doc = uidoc.Document;

            // Filtered Element Collector list for the 3D Views
            FilteredElementCollector collector3DViews = new FilteredElementCollector(doc);
            collector3DViews.OfClass(typeof(View3D));
            List<View3D> all3DViews = collector3DViews.Cast<View3D>().ToList();

            // Filtered Element Collector for the Floor Plans
            FilteredElementCollector collectorFloorPlans = new FilteredElementCollector(doc);
            collectorFloorPlans.OfClass(typeof(ViewPlan));
            List<ViewPlan> allViewPlans = collectorFloorPlans.Cast<ViewPlan>().ToList();

            // Filtered Element Collector list for Sheet Views
            FilteredElementCollector collectorSheetViews = new FilteredElementCollector(doc);
            collectorSheetViews.OfClass(typeof(ViewSheet));
            List<ViewSheet> allSheetViews = collectorSheetViews.Cast<ViewSheet>().ToList();

            // Grab created Sheet View
            ViewSheet sheet = allSheetViews.LastOrDefault();

            // Grab default level 1 floor plan
            ViewPlan level1 = allViewPlans.First(n => n.Name == "Level 1");

            // Grab all created Views
            View3D v1 = all3DViews[all3DViews.Count - 3];
            View3D v2 = all3DViews[all3DViews.Count - 2];
            View3D v3 = all3DViews[all3DViews.Count - 1];

            // Get id list of Project Points
            List<ElementId> basePointIds = new FilteredElementCollector(uidoc.Document, level1.Id)
                .WhereElementIsNotElementType()
                .OfClass(typeof(BasePoint))
                .ToElementIds()
                .ToList();

            // Get id list for the view's Elevation Markers points
            List<ElementId> viewElevationMarkerIds = new FilteredElementCollector(uidoc.Document, level1.Id)
                .WhereElementIsNotElementType()
                .OfClass(typeof(ElevationMarker))
                .ToElementIds()
                .ToList();

            // Get id list of the elements regarding the NSWE building sections on the level 1 view
            FilteredElementCollector viewerCollector = new FilteredElementCollector(doc, level1.Id)
                .OfCategory(BuiltInCategory.OST_Viewers);

            // Get building elevation Ids
            IEnumerable<ElementId> elemIds = from Element d in viewerCollector 
                                             where doc.GetElement(d.GetTypeId()).Name.Equals("Building Elevation") 
                                             select d.Id;

            // Create a list with the building elevation Ids
            ICollection<ElementId> hideMarksIds = elemIds.Cast<ElementId>().ToList();

            // Get id list for axis arrow y on level1 view
            var internalOriginCollector = new FilteredElementCollector(doc, level1.Id)
                .OfClass(typeof(InternalOrigin))
                .ToElementIds();

            // Modify document within a transaction
            using (Transaction tx3 = new Transaction(doc))
            {
                tx3.Start("AddViewToSheet");

                // Edit level1 to fit criteria
                level1.DetailLevel = ViewDetailLevel.Fine;
                level1.Scale = 300;
                if (basePointIds?.Count > 0)
                    level1.HideElements(basePointIds);
                if (viewElevationMarkerIds?.Count > 0)
                    level1.HideElements(viewElevationMarkerIds);
                if (hideMarksIds?.Count > 0)
                    level1.HideElements(hideMarksIds);
                if (internalOriginCollector?.Count > 0)
                    level1.HideElements(internalOriginCollector);

                // Set default viewport to "No Title" type
                ElementType elementType = new FilteredElementCollector(doc)
                    .OfClass(typeof(ElementType)).Cast<ElementType>()
                    .Where(x => x.Name == "No Title").First();
                doc.SetDefaultElementTypeId(ElementTypeGroup.ViewportType, elementType.Id);

                // Add 4 viewports, 1 for each view
                Viewport viewport1 = Viewport.Create(doc, sheet.Id, v1.Id, new XYZ(0.45, 0.25, 0));
                Viewport viewport2 = Viewport.Create(doc, sheet.Id, v2.Id, new XYZ(0.45, 0.85, 0));
                Viewport viewport3 = Viewport.Create(doc, sheet.Id, v3.Id, new XYZ(0.45, 0.55, 0));
                Viewport viewport4 = Viewport.Create(doc, sheet.Id, level1.Id, new XYZ(1.10, 0.55, 0));

                tx3.Commit();
            }

            return Result.Succeeded;
        }
    }
}

Thank you all!