protected static WpfMeshGeometry3D GetNewStyleMesh(WpfMaterial wpfMaterial, Model3DGroup tmpTransparentsGroup, Model3DGroup tmpOpaquesGroup) { var mg = new WpfMeshGeometry3D(wpfMaterial, wpfMaterial); mg.WpfModel.SetValue(FrameworkElement.TagProperty, mg); mg.BeginUpdate(); if (wpfMaterial.IsTransparent) { tmpTransparentsGroup.Children.Add(mg); } else { tmpOpaquesGroup.Children.Add(mg); } return(mg); }
protected static WpfMeshGeometry3D GetNewStyleMesh(WpfMaterial wpfMaterial, Model3DGroup tmpTransparentsGroup, Model3DGroup tmpOpaquesGroup) { var mg = new WpfMeshGeometry3D(wpfMaterial, wpfMaterial, wpfMaterial.IfcTextureCoordinate); // set the tag of the child of mg to mg, so that it can be identified on click mg.WpfModel.SetValue(FrameworkElement.TagProperty, mg); mg.BeginUpdate(); if (wpfMaterial.IsTransparent) { tmpTransparentsGroup.Children.Add(mg); } else { tmpOpaquesGroup.Children.Add(mg); } return(mg); }
/// <summary> /// This version uses the new Geometry representation /// </summary> /// <param name="model"></param> /// <param name="context"></param> /// <param name="exclude">List of type to exclude, by default excplict openings and spaces are excluded if exclude = null</param> /// <returns></returns> public XbimScene <WpfMeshGeometry3D, WpfMaterial> BuildScene(XbimModel model, Xbim3DModelContext context, List <Type> exclude = null) { var excludedTypes = new HashSet <short>(); if (exclude == null) { exclude = new List <Type>() { typeof(IfcSpace) // , typeof(IfcFeatureElement) } } ; foreach (var excludedT in exclude) { var ifcT = IfcMetaData.IfcType(excludedT); foreach (var exIfcType in ifcT.NonAbstractSubTypes.Select(IfcMetaData.IfcType)) { excludedTypes.Add(exIfcType.TypeId); } } var scene = new XbimScene <WpfMeshGeometry3D, WpfMaterial>(model); if (context == null) { return(scene); } //get a list of all the unique styles var styles = new Dictionary <int, WpfMaterial>(); var repeatedShapeGeometries = new Dictionary <int, MeshGeometry3D>(); var styleMeshSets = new Dictionary <int, WpfMeshGeometry3D>(); var tmpOpaquesGroup = new Model3DGroup(); var tmpTransparentsGroup = new Model3DGroup(); var sstyles = context.SurfaceStyles(); foreach (var style in sstyles) { var wpfMaterial = new WpfMaterial(); wpfMaterial.CreateMaterial(style); styles.Add(style.DefinedObjectId, wpfMaterial); var mg = new WpfMeshGeometry3D(wpfMaterial, wpfMaterial); mg.WpfModel.SetValue(FrameworkElement.TagProperty, mg); styleMeshSets.Add(style.DefinedObjectId, mg); mg.BeginUpdate(); if (style.IsTransparent) { tmpTransparentsGroup.Children.Add(mg); } else { tmpOpaquesGroup.Children.Add(mg); } } if (!styles.Any()) { return(scene); //this should always return something } var shapeInstances = context.ShapeInstances() .Where(s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded && !excludedTypes.Contains(s.IfcTypeId)); // !typeof (IfcFeatureElement).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId)) /*&& // !typeof(IfcSpace).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId))*/); foreach (var shapeInstance in shapeInstances) { var styleId = shapeInstance.StyleLabel > 0 ? shapeInstance.StyleLabel : shapeInstance.IfcTypeId * -1; //GET THE ACTUAL GEOMETRY MeshGeometry3D wpfMesh; //see if we have already read it if (repeatedShapeGeometries.TryGetValue(shapeInstance.ShapeGeometryLabel, out wpfMesh)) { var mg = new GeometryModel3D(wpfMesh, styles[styleId]); mg.SetValue(FrameworkElement.TagProperty, new XbimInstanceHandle(model, shapeInstance.IfcProductLabel, shapeInstance.IfcTypeId)); mg.BackMaterial = mg.Material; mg.Transform = XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom).ToMatrixTransform3D(); if (styles[styleId].IsTransparent) { tmpTransparentsGroup.Children.Add(mg); } else { tmpOpaquesGroup.Children.Add(mg); } } else //we need to get the shape geometry { IXbimShapeGeometryData shapeGeom = context.ShapeGeometry(shapeInstance.ShapeGeometryLabel); if (shapeGeom.ReferenceCount > 1) //only store if we are going to use again { wpfMesh = new MeshGeometry3D(); switch ((XbimGeometryType)shapeGeom.Format) { case XbimGeometryType.PolyhedronBinary: wpfMesh.Read(shapeGeom.ShapeData); break; case XbimGeometryType.Polyhedron: wpfMesh.Read(((XbimShapeGeometry)shapeGeom).ShapeData); break; } repeatedShapeGeometries.Add(shapeInstance.ShapeGeometryLabel, wpfMesh); var mg = new GeometryModel3D(wpfMesh, styles[styleId]); mg.SetValue(FrameworkElement.TagProperty, new XbimInstanceHandle(model, shapeInstance.IfcProductLabel, shapeInstance.IfcTypeId)); mg.BackMaterial = mg.Material; mg.Transform = XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom).ToMatrixTransform3D(); if (styles[styleId].IsTransparent) { tmpTransparentsGroup.Children.Add(mg); } else { tmpOpaquesGroup.Children.Add(mg); } } else //it is a one off, merge it with shapes of a similar material { var targetMergeMeshByStyle = styleMeshSets[styleId]; switch ((XbimGeometryType)shapeGeom.Format) { case XbimGeometryType.Polyhedron: // var shapePoly = (XbimShapeGeometry)shapeGeom; var asString = Encoding.UTF8.GetString(shapeGeom.ShapeData.ToArray()); targetMergeMeshByStyle.Add( asString, shapeInstance.IfcTypeId, shapeInstance.IfcProductLabel, shapeInstance.InstanceLabel, XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom), model.UserDefinedId); break; case XbimGeometryType.PolyhedronBinary: var transform = XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom); targetMergeMeshByStyle.Add( shapeGeom.ShapeData, shapeInstance.IfcTypeId, shapeInstance.IfcProductLabel, shapeInstance.InstanceLabel, transform, model.UserDefinedId); break; default: throw new ArgumentOutOfRangeException(); } } } } foreach (var wpfMeshGeometry3D in styleMeshSets.Values) { wpfMeshGeometry3D.EndUpdate(); } //} if (tmpOpaquesGroup.Children.Any()) { var mv = new ModelVisual3D(); mv.Content = tmpOpaquesGroup; Control.OpaquesVisual3D.Children.Add(mv); // Control.ModelBounds = mv.Content.Bounds.ToXbimRect3D(); } if (tmpTransparentsGroup.Children.Any()) { var mv = new ModelVisual3D(); mv.Content = tmpTransparentsGroup; Control.TransparentsVisual3D.Children.Add(mv); //if (Control.ModelBounds.IsEmpty) Control.ModelBounds = mv.Content.Bounds.ToXbimRect3D(); //else Control.ModelBounds.Union(mv.Content.Bounds.ToXbimRect3D()); } return(scene); }