/// <summary> /// Return polygon loops representing the size /// and location of given sheet and all the /// viewports it contains, regardless of type. /// </summary> static JtLoops GetSheetViewportLoops( SheetModelCollections modelCollections, ViewSheet sheet) { Document doc = sheet.Document; List <Viewport> viewports = sheet .GetAllViewports() .Select <ElementId, Viewport>( id => doc.GetElement(id) as Viewport) .ToList <Viewport>(); int n = viewports.Count; modelCollections.ViewsInSheet[sheet.Id] = new List <ViewData>(n); JtLoops sheetViewportLoops = new JtLoops(n + 1); // sheet.get_BoundingBox( null ) returns (-100,-100),(100,100) BoundingBoxUV bb = sheet.Outline; // model coordinates (0,0), (2.76,1.95) JtBoundingBox2dInt ibb = new JtBoundingBox2dInt(); // millimeters (0,0),(840,...) ibb.ExpandToContain(new Point2dInt(bb.Min)); ibb.ExpandToContain(new Point2dInt(bb.Max)); JtLoop loop = new JtLoop(ibb.Corners); sheetViewportLoops.Add(loop); foreach (Viewport vp in viewports) { XYZ center = vp.GetBoxCenter(); // not used Outline outline = vp.GetBoxOutline(); ibb.Init(); ibb.ExpandToContain( new Point2dInt(outline.MinimumPoint)); ibb.ExpandToContain( new Point2dInt(outline.MaximumPoint)); loop = new JtLoop(ibb.Corners); sheetViewportLoops.Add(loop); ViewData d = new ViewData(); d.Id = vp.ViewId; d.ViewportBoundingBox = loop.BoundingBox; modelCollections.ViewsInSheet[sheet.Id].Add( d); } return(sheetViewportLoops); }
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; //IWin32Window revit_window // = new JtWindowHandle( // ComponentManager.ApplicationWindow ); // pre-2020 IWin32Window revit_window = new JtWindowHandle(uiapp.MainWindowHandle); // 2020 if (null == doc) { Util.ErrorMsg("Please run this command in a valid" + " Revit project document."); return(Result.Failed); } // Interactive sheet selection. FrmSelectSheets form = new FrmSelectSheets(doc); if (DialogResult.OK == form.ShowDialog( revit_window)) { List <ViewSheet> sheets = form.GetSelectedSheets(); int n = sheets.Count; string caption = Util.PluralString( n, "Sheet") + " Selected"; string msg = string.Join(", ", sheets.Select <Element, string>( e => Util.SheetDescription(e))) + "."; // Determine all floor plan views displayed // in the selected sheets. Dictionary <View, int> views = new Dictionary <View, int>( new ElementEqualityComparer()); int nFloorPlans = 0; foreach (ViewSheet sheet in sheets) { foreach (View v in sheet.GetAllPlacedViews() .Select <ElementId, View>(id => doc.GetElement(id) as View)) { if (!views.ContainsKey(v)) { if (IsFloorPlan(v)) { ++nFloorPlans; } views.Add(v, 0); } ++views[v]; } } msg += (1 == n) ? "\nIt contains" : "\nThey contain"; n = views.Count; msg += string.Format( " {0} including {1}: ", Util.PluralString(n, "view"), Util.PluralString(nFloorPlans, "floor plan")); msg += string.Join(", ", views.Keys.Select <Element, string>( e => e.Name)) + "."; Util.InfoMsg2(caption, msg, false); // Determine all categories occurring // in the views displayed by the sheets. List <Category> categories = new List <Category>( new CategoryCollector(views.Keys).Keys); // Sort categories alphabetically by name // to display them in selection form. categories.Sort( delegate(Category c1, Category c2) { return(string.Compare(c1.Name, c2.Name)); }); // Interactive category selection. FrmSelectCategories form2 = new FrmSelectCategories(categories); if (DialogResult.OK == form2.ShowDialog( revit_window)) { categories = form2.GetSelectedCategories(); n = categories.Count; caption = Util.PluralString(n, "Category") + " Selected"; msg = string.Join(", ", categories.Select <Category, string>( e => e.Name)) + "."; Util.InfoMsg2(caption, msg, false); // Convert category list to a dictionary for // more effective repeated lookup. // //Dictionary<ElementId, Category> catLookup = // categories.ToDictionary<Category, ElementId>( // c => c.Id ); // // No, much better: set up a reusable element // filter for the categories of interest: ElementFilter categoryFilter = new LogicalOrFilter(categories .Select <Category, ElementCategoryFilter>( c => new ElementCategoryFilter(c.Id)) .ToList <ElementFilter>()); // Instantiate a container for all // cloud data repository content. SheetModelCollections modelCollections = new SheetModelCollections( DbUpload.GetProjectInfo(doc).Id); foreach (ViewSheet sheet in sheets) { // Define preview form caption. caption = "Sheet and Viewport Loops - " + Util.SheetDescription(sheet); // This is currently not used for anything. ListSheetAndViewTransforms(sheet); // Determine the polygon loops representing // the size and location of given sheet and // the viewports it contains. JtLoops sheetViewportLoops = GetSheetViewportLoops( modelCollections, sheet); // Determine graphics for family instances, // their symbols and other BIM parts. GetBimGraphics(modelCollections, sheet, categoryFilter); // Display sheet and viewports with the // geometry retrieved in a temporary GeoSnoop // form generated on the fly for debugging // purposes. Bitmap bmp = GeoSnoop.DisplaySheet( sheet.Id, sheetViewportLoops, modelCollections); GeoSnoop.DisplayImageInForm( revit_window, caption, false, bmp); // Upload data to the cloud database. DbUpload.DbUploadSheet(sheet, sheetViewportLoops, modelCollections); } DbUpdater.SetLastSequence(); } } return(Result.Succeeded); }
/// <summary> /// Determine the visible elements belonging to the /// specified categories in the views displayed by /// the given sheet and return their graphics and /// instance placements. /// Ignore all but the first geometry loop retrieved. /// </summary> /// <param name="modelCollections">Data container</param> /// <param name="sheet">The view sheet</param> /// <param name="categoryFilter">The desired categories</param> static void GetBimGraphics( SheetModelCollections modelCollections, ViewSheet sheet, ElementFilter categoryFilter) { bool list_ignored_elements = false; Document doc = sheet.Document; Autodesk.Revit.Creation.Application creapp = doc.Application.Create; Options opt = new Options(); // There is no need and no possibility to set // the detail level when retrieving view geometry. // An attempt to specify the detail level will // cause writing the opt.View property to throw // "DetailLevel is already set. When DetailLevel // is set view-specific geometry can't be // extracted." // //opt.DetailLevel = ViewDetailLevel.Coarse; Debug.Print(sheet.Name); foreach (ViewPlan v in sheet.GetAllPlacedViews() .Select <ElementId, View>(id => doc.GetElement(id) as View) .OfType <ViewPlan>() .Where <ViewPlan>(v => IsFloorPlan(v))) { Debug.Print(" " + v.Name); modelCollections.BimelsInViews.Add( v.Id, new List <ObjData>()); opt.View = v; JtBoundingBox2dInt bimelBb = new JtBoundingBox2dInt(); FilteredElementCollector els = new FilteredElementCollector(doc, v.Id) .WherePasses(categoryFilter); foreach (Element e in els) { GeometryElement geo = e.get_Geometry(opt); FamilyInstance f = e as FamilyInstance; if (null != f) { LocationPoint lp = e.Location as LocationPoint; // Simply ignore family instances that // have no location point or no location at // all, e.g. panel. // No, we should not ignore them, but // treat tham as non-transformable parts. if (null == lp) { if (list_ignored_elements) { Debug.Print(string.Format( " ... {0} has no location", e.Name)); } f = null; geo = geo.GetTransformed( Transform.Identity); } else { FamilySymbol s = f.Symbol; if (modelCollections.Symbols.ContainsKey(s.Id)) { if (list_ignored_elements) { Debug.Print(" ... symbol already handled " + e.Name + " --> " + s.Name); } // Symbol already defined, just add instance JtPlacement2dInt placement = new JtPlacement2dInt(f); // Expand bounding box around all BIM // elements, ignoring the size of the // actual geometry, assuming is is small // in comparison and the insertion point // lies within it. bimelBb.ExpandToContain( placement.Translation); InstanceData d = new InstanceData(); d.Id = f.Id; d.Symbol = f.Symbol.Id; d.Placement = placement; modelCollections.BimelsInViews[v.Id] .Add(d); continue; } // Retrieve family instance geometry // transformed back to symbol definition // coordinate space by inverting the // family instance placement transformation Transform t = Transform.CreateTranslation( -lp.Point); Transform r = Transform.CreateRotationAtPoint( XYZ.BasisZ, -lp.Rotation, lp.Point); geo = geo.GetTransformed(t * r); } } int nEmptySolids = 0; int nNonEmptySolids = 0; int nCurves = 0; int nOther = 0; foreach (GeometryObject obj in geo) { // This was true before calling GetTransformed. //Debug.Assert( obj is Solid || obj is GeometryInstance, "expected only solids and instances" ); // This was true before calling GetTransformed. //Debug.Assert( ( obj is GeometryInstance ) == ( e is FamilyInstance ), "expected all family instances to have geometry instance" ); Debug.Assert(obj is Solid || obj is Line || obj is Arc, "expected only solids, lines and arcs after calling GetTransformed on instances"); // Todo: handle arcs, e.g. tessellate Debug.Assert(Visibility.Visible == obj.Visibility, "expected only visible geometry objects"); Debug.Assert(obj.IsElementGeometry, "expected only element geometry"); //bool isElementGeometry = obj.IsElementGeometry; Solid solid = obj as Solid; if (null != solid) { if (0 < solid.Edges.Size) { ++nNonEmptySolids; } else { ++nEmptySolids; } } else if (obj is Curve) { ++nCurves; } else { ++nOther; } } Debug.Print(" {0}: {1} non-emtpy solids, " + "{2} empty, {3} curves, {4} other", e.Name, nNonEmptySolids, nEmptySolids, nCurves, nOther); JtLoops loops = null; if (1 == nNonEmptySolids && 0 == nEmptySolids + nCurves + nOther) { int nFailures = 0; loops = CmdUploadRooms .GetPlanViewBoundaryLoopsGeo( creapp, geo, ref nFailures); } else { double z = double.MinValue; bool first = true; foreach (GeometryObject obj in geo) { // Do we need the graphics style? // It might give us horrible things like // colours etc. ElementId id = obj.GraphicsStyleId; //Debug.Print( " " + obj.GetType().Name ); Solid solid = obj as Solid; if (null == solid) { #region Debug code to ensure horizontal co-planar curves #if DEBUG Debug.Assert(obj is Line || obj is Arc, "expected only lines and arcs here"); Curve c = obj as Curve; if (first) { z = c.GetEndPoint(0).Z; Debug.Assert(Util.IsEqual(z, c.GetEndPoint(1).Z), "expected a plan view with all Z values equal"); first = false; } else { Debug.Assert(Util.IsEqual(z, c.GetEndPoint(0).Z), "expected a plan view with all Z values equal"); Debug.Assert(Util.IsEqual(z, c.GetEndPoint(1).Z), "expected a plan view with all Z values equal"); } Debug.Print(" {0} {1}", obj.GetType().Name, Util.CurveEndpointString(c)); #endif // DEBUG #endregion // Debug code to ensure horizontal co-planar curves } else if (1 == solid.Faces.Size) { Debug.Print( " solid with 1 face"); foreach (Face face in solid.Faces) { #region Debug code to print out face edges #if DEBUG foreach (EdgeArray loop in face.EdgeLoops) { foreach (Edge edge in loop) { // This returns the curves already // correctly oriented: Curve c = edge .AsCurveFollowingFace(face); Debug.Print(" {0}: {1} {2}", edge.GetType().Name, c.GetType().Name, Util.CurveEndpointString(c)); } } #endif // DEBUG #endregion // Debug code to print out face edges if (null == loops) { loops = new JtLoops(1); } loops.Add(CmdUploadRooms.GetLoop( creapp, face)); } } else { #region Debug code for exceptional cases #if DEBUG_2 Debug.Assert(1 >= solid.Faces.Size, "expected at most one visible face in plan view for my simple solids"); int n = solid.Edges.Size; if (0 < n) { Debug.Print( " solid with {0} edges", n); Face[] face2 = new Face[] { null, null }; Face face = null; foreach (Edge edge in solid.Edges) { if (null == face2[0]) { face2[0] = edge.GetFace(0); face2[1] = edge.GetFace(1); } else if (null == face) { if (face2.Contains <Face>(edge.GetFace(0))) { face = edge.GetFace(0); } else if (face2.Contains <Face>(edge.GetFace(1))) { face = edge.GetFace(1); } else { Debug.Assert(false, "expected all edges to belong to one face"); } } else { Debug.Assert(face == edge.GetFace(0) || face == edge.GetFace(1), "expected all edges to belong to one face"); } Curve c = edge.AsCurve(); // This returns the curves already // correctly oriented: //Curve curve = e.AsCurveFollowingFace( // face ); Debug.Print(" {0}: {1} {2}", edge.GetType().Name, c.GetType().Name, Util.CurveEndpointString(c)); } } #endif // DEBUG #endregion // Debug code for exceptional cases } } } // Save the part or instance and // the geometry retrieved for it. // This is where we drop all geometry but // the first loop. if (null != loops) { GeomData gd = new GeomData(); gd.Loop = loops[0]; if (null == f) { // Add part with absolute geometry gd.Id = e.Id; modelCollections.BimelsInViews[v.Id].Add( gd); // Expand bounding box around all BIM // elements. bimelBb.ExpandToContain( gd.Loop.BoundingBox); } else { // Define symbol and add instance JtPlacement2dInt placement = new JtPlacement2dInt(f); InstanceData id = new InstanceData(); id.Id = f.Id; id.Symbol = f.Symbol.Id; id.Placement = placement; modelCollections.BimelsInViews[v.Id].Add( id); gd.Id = f.Symbol.Id; modelCollections.Symbols.Add( f.Symbol.Id, gd); // Expand bounding box around all BIM // elements. JtBoundingBox2dInt bb = gd.Loop.BoundingBox; Point2dInt vtrans = placement.Translation; bimelBb.ExpandToContain(bb.Min + vtrans); bimelBb.ExpandToContain(bb.Max + vtrans); } } } // Set up BIM bounding box for this view modelCollections.ViewsInSheet[sheet.Id].Find( v2 => v2.Id.IntegerValue.Equals( v.Id.IntegerValue)).BimBoundingBox = bimelBb; } }
/// <summary> /// Display sheet, the views it contains, the BIM /// parts and family instances they display in a /// temporary form generated on the fly. /// </summary> /// <param name="owner">Owner window</param> /// <param name="caption">Form caption</param> /// <param name="modal">Modal versus modeless</param> /// <param name="roomLoops">Sheet and viewport boundary loops</param> /// <param name="geometryLoopss">Family symbol and part geometry</param> /// <param name="familyInstances">Family instances</param> public static Bitmap DisplaySheet( ElementId sheetId, JtLoops sheetViewportLoops, SheetModelCollections modelCollections) { // Source rectangle. JtBoundingBox2dInt bbFrom = sheetViewportLoops .BoundingBox; // Adjust target rectangle height to the // displayee loop height. int width = _form_width; int height = (int)(width * bbFrom.AspectRatio + 0.5); // Specify transformation target rectangle // including a margin. int top = 0; int left = 0; int bottom = height - (_margin + _margin); Point[] parallelogramPoints = new Point[] { new Point(left + _margin, bottom), // upper left new Point(left + width - _margin, bottom), // upper right new Point(left + _margin, top + _margin) // lower left }; // Transform from native loop coordinate system // (sheet) to target display coordinates form). Matrix transformSheetBbToForm = new Matrix( bbFrom.Rectangle, parallelogramPoints); Bitmap bmp = new Bitmap(width, height); Graphics graphics = Graphics.FromImage(bmp); graphics.Clear(System.Drawing.Color.White); // Display sheet and viewport rectangles. DrawLoopsOnGraphics(graphics, sheetViewportLoops.GetGraphicsPathLines(), transformSheetBbToForm); // Iterate over the views and display the // elements for each one appropriately // scaled and translated to fit. List <ViewData> views = modelCollections .ViewsInSheet[sheetId]; Dictionary <ElementId, GeomData> geometryLookup = modelCollections.Symbols; Matrix transformBimToViewport; JtBoundingBox2dInt bbTo; JtLoop loop; foreach (ViewData view in views) { ElementId vid = view.Id; if (!modelCollections.BimelsInViews .ContainsKey(vid)) { // This is not a floor plan view, so // we have nothing to display in it. continue; } // Determine transform from model space in mm // to the viewport associated with this view. bbFrom = view.BimBoundingBox; bbTo = view.ViewportBoundingBox; Debug.Print(view.ToString()); // Adjust target rectangle height to the // displayee loop height. //height = (int) ( width * bbFrom.AspectRatio + 0.5 ); // Specify transformation target rectangle // including a margin, and center the target // rectangle vertically. top = bbTo.Min.Y + _margin2; left = bbTo.Min.X + _margin2; bottom = bbTo.Max.Y - _margin2; width = bbTo.Width - (_margin2 + _margin2); parallelogramPoints = new Point[] { new Point(left, top), // upper left new Point(left + width, top), // upper right new Point(left, bottom) // lower left }; // Transform from native loop coordinate system // (sheet) to target display coordinates form). transformBimToViewport = new Matrix( bbFrom.Rectangle, parallelogramPoints); // Retrieve the list of BIM elements // displayed in this view. List <ObjData> bimels = modelCollections .BimelsInViews[vid]; List <Point[]> loops = new List <Point[]>(1); loops.Add(new Point[] { }); Matrix placement = new Matrix(); foreach (ObjData bimel in bimels) { placement.Reset(); InstanceData inst = bimel as InstanceData; if (null != inst) { loop = geometryLookup[inst.Symbol].Loop; Point2dInt v = inst.Placement.Translation; placement.Rotate(inst.Placement.Rotation); placement.Translate(v.X, v.Y, MatrixOrder.Append); } else { Debug.Assert(bimel is GeomData, "expected part with geometry"); loop = ((GeomData)bimel).Loop; } loops[0] = loop.GetGraphicsPathLines(); placement.Multiply(transformBimToViewport, MatrixOrder.Append); placement.Multiply(transformSheetBbToForm, MatrixOrder.Append); DrawLoopsOnGraphics(graphics, loops, placement); } } return(bmp); }
/// <summary> /// Upload model, sheet, views it contains and /// their BIM elements to a CouchDB data repository. /// </summary> static public void DbUploadSheet( ViewSheet sheet, JtLoops sheetViewportLoops, SheetModelCollections modelCollections) { bool pre_existing = false; RoomEditorDb rdb = new RoomEditorDb(); CouchDatabase db = rdb.Db; // Sheet Document doc = sheet.Document; Element e = GetProjectInfo(doc); DbModel dbModel = GetDbModel(db, e); DbSheet dbSheet = rdb.GetOrCreate <DbSheet>( ref pre_existing, sheet.UniqueId); dbSheet.Description = Util.SheetDescription(sheet); dbSheet.Name = sheet.Name; dbSheet.ModelId = e.UniqueId; dbSheet.Width = sheetViewportLoops[0].BoundingBox.Width; dbSheet.Height = sheetViewportLoops[0].BoundingBox.Height; dbSheet = pre_existing ? db.UpdateDocument <DbSheet>(dbSheet) : db.CreateDocument <DbSheet>(dbSheet); // Symbols Dictionary <ElementId, GeomData> geometryLookup = modelCollections.Symbols; foreach (KeyValuePair <ElementId, GeomData> p in geometryLookup) { ElementId id = p.Key; e = doc.GetElement(id); DbSymbol symbol = rdb.GetOrCreate <DbSymbol>( ref pre_existing, e.UniqueId); symbol.Description = Util.ElementDescription(e); symbol.Name = e.Name; symbol.Loop = p.Value.Loop.SvgPath; symbol = pre_existing ? db.UpdateDocument <DbSymbol>(symbol) : db.CreateDocument <DbSymbol>(symbol); } // Views and BIM elements List <ViewData> views = modelCollections .ViewsInSheet[sheet.Id]; View view; DbView dbView; DbBimel dbBimel; DbInstance dbInstance = null; DbPart dbPart = null; JtBoundingBox2dInt bbFrom; JtBoundingBox2dInt bbTo; foreach (ViewData viewData in views) { ElementId vid = viewData.Id; if (!modelCollections.BimelsInViews .ContainsKey(vid)) { // This is not a floor plan view, so // we have nothing to display in it. continue; } view = doc.GetElement(vid) as View; dbView = rdb.GetOrCreate <DbView>( ref pre_existing, view.UniqueId); dbView.Description = Util.ElementDescription(view); dbView.Name = view.Name; dbView.SheetId = dbSheet.Id; bbFrom = viewData.BimBoundingBox; bbTo = viewData.ViewportBoundingBox; dbView.X = bbTo.Min.X; dbView.Y = bbTo.Min.Y; dbView.Width = bbTo.Width; dbView.Height = bbTo.Height; dbView.BimX = bbFrom.Min.X; dbView.BimY = bbFrom.Min.Y; dbView.BimWidth = bbFrom.Width; dbView.BimHeight = bbFrom.Height; dbView = pre_existing ? db.UpdateDocument <DbView>(dbView) : db.CreateDocument <DbView>(dbView); // Retrieve the list of BIM elements // displayed in this view. List <ObjData> bimels = modelCollections .BimelsInViews[vid]; foreach (ObjData bimel in bimels) { e = doc.GetElement(bimel.Id); InstanceData inst = bimel as InstanceData; if (null != inst) { dbInstance = rdb.GetOrCreate <DbInstance>( ref pre_existing, e.UniqueId); dbInstance.SymbolId = doc.GetElement( inst.Symbol).UniqueId; dbInstance.Transform = inst.Placement .SvgTransform; dbBimel = dbInstance; } else { Debug.Assert(bimel is GeomData, "expected part with geometry"); dbPart = rdb.GetOrCreate <DbPart>( ref pre_existing, e.UniqueId); dbPart.Loop = ((GeomData)bimel).Loop .SvgPath; dbBimel = dbPart; } dbBimel.Description = Util.ElementDescription(e); dbBimel.Name = e.Name; JtUidSet uids = new JtUidSet(dbBimel.ViewIds); uids.Add(view.UniqueId); dbBimel.ViewIds = uids.Uids; dbBimel.Properties = Util.GetElementProperties(e); if (null != inst) { dbInstance = pre_existing ? db.UpdateDocument <DbInstance>(dbInstance) : db.CreateDocument <DbInstance>(dbInstance); } else { dbPart = pre_existing ? db.UpdateDocument <DbPart>(dbPart) : db.CreateDocument <DbPart>(dbPart); } } } }
/// <summary> /// Display sheet, the views it contains, the BIM /// parts and family instances they display in a /// temporary form generated on the fly. /// </summary> /// <param name="owner">Owner window</param> /// <param name="caption">Form caption</param> /// <param name="modal">Modal versus modeless</param> /// <param name="roomLoops">Sheet and viewport boundary loops</param> /// <param name="geometryLoopss">Family symbol and part geometry</param> /// <param name="familyInstances">Family instances</param> public static Bitmap DisplaySheet( ElementId sheetId, JtLoops sheetViewportLoops, SheetModelCollections modelCollections ) { // Source rectangle. JtBoundingBox2dInt bbFrom = sheetViewportLoops .BoundingBox; // Adjust target rectangle height to the // displayee loop height. int width = _form_width; int height = (int) ( width * bbFrom.AspectRatio + 0.5 ); // Specify transformation target rectangle // including a margin. int top = 0; int left = 0; int bottom = height - ( _margin + _margin ); Point[] parallelogramPoints = new Point[] { new Point( left + _margin, bottom ), // upper left new Point( left + width - _margin, bottom ), // upper right new Point( left + _margin, top + _margin ) // lower left }; // Transform from native loop coordinate system // (sheet) to target display coordinates form). Matrix transformSheetBbToForm = new Matrix( bbFrom.Rectangle, parallelogramPoints ); Bitmap bmp = new Bitmap( width, height ); Graphics graphics = Graphics.FromImage( bmp ); graphics.Clear( System.Drawing.Color.White ); // Display sheet and viewport rectangles. DrawLoopsOnGraphics( graphics, sheetViewportLoops.GetGraphicsPathLines(), transformSheetBbToForm ); // Iterate over the views and display the // elements for each one appropriately // scaled and translated to fit. List<ViewData> views = modelCollections .ViewsInSheet[sheetId]; Dictionary<ElementId, GeomData> geometryLookup = modelCollections.Symbols; Matrix transformBimToViewport; JtBoundingBox2dInt bbTo; JtLoop loop; foreach( ViewData view in views ) { ElementId vid = view.Id; if( !modelCollections.BimelsInViews .ContainsKey( vid ) ) { // This is not a floor plan view, so // we have nothing to display in it. continue; } // Determine transform from model space in mm // to the viewport associated with this view. bbFrom = view.BimBoundingBox; bbTo = view.ViewportBoundingBox; Debug.Print( view.ToString() ); // Adjust target rectangle height to the // displayee loop height. //height = (int) ( width * bbFrom.AspectRatio + 0.5 ); // Specify transformation target rectangle // including a margin, and center the target // rectangle vertically. top = bbTo.Min.Y + _margin2; left = bbTo.Min.X + _margin2; bottom = bbTo.Max.Y - _margin2; width = bbTo.Width - (_margin2 + _margin2); parallelogramPoints = new Point[] { new Point( left, top ), // upper left new Point( left + width, top ), // upper right new Point( left, bottom ) // lower left }; // Transform from native loop coordinate system // (sheet) to target display coordinates form). transformBimToViewport = new Matrix( bbFrom.Rectangle, parallelogramPoints ); // Retrieve the list of BIM elements // displayed in this view. List<ObjData> bimels = modelCollections .BimelsInViews[vid]; List<Point[]> loops = new List<Point[]>( 1 ); loops.Add( new Point[] { } ); Matrix placement = new Matrix(); foreach( ObjData bimel in bimels ) { placement.Reset(); InstanceData inst = bimel as InstanceData; if( null != inst ) { loop = geometryLookup[inst.Symbol].Loop; Point2dInt v = inst.Placement.Translation; placement.Rotate( inst.Placement.Rotation ); placement.Translate( v.X, v.Y, MatrixOrder.Append ); } else { Debug.Assert( bimel is GeomData, "expected part with geometry" ); loop = ((GeomData) bimel).Loop; } loops[0] = loop.GetGraphicsPathLines(); placement.Multiply( transformBimToViewport, MatrixOrder.Append ); placement.Multiply( transformSheetBbToForm, MatrixOrder.Append ); DrawLoopsOnGraphics( graphics, loops, placement ); } } return bmp; }