Exemple #1
0
        //const string file = "F:\\TUM\\STUDIES\\THESIS\\BIMtoUnity\\xBIM\\IFC_samplefiles\\2011-09-14-Clinic-IFC\\simplegeometry_openings_4.ifc";
        //const string file = "F:\\TUM\\STUDIES\\THESIS\\BIMtoUnity\\xBIM\\IFC_samplefiles\\2011-09-14-Clinic-IFC\\20160414office_model_CV2_fordesign.ifc";
        //const string file = "F:\\TUM\\STUDIES\\THESIS\\BIMtoUnity\\xBIM\\IFC_samplefiles\\2011-09-14-Clinic-IFC\\wall.ifc";

        public static void Main()
        {
            using (var model = IfcStore.Open(file))
            {
                Console.WriteLine("\n" + "---------------------------------------S T A R T---------------------------------------" + "\n");
                Dictionary <string, IfcSpace>          spaceids;
                Dictionary <string, IfcBuildingStorey> storeyids;

                var project = model.Instances.FirstOrDefault <IIfcProject>();

                IEnumerable <IfcSpace> spaces = model.Instances.OfType <IfcSpace>();
                spaceids = getspaceelementids(spaces);

                IEnumerable <IfcBuildingStorey> storeys = model.Instances.OfType <IfcBuildingStorey>();
                storeyids = getstoreyelementids(storeys);

                var context = new Xbim3DModelContext(model);
                context.CreateContext();

                var productshape = context.ShapeInstances();

                var _productShape = context.ShapeInstances().Where(s => s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded).ToList();

                Console.WriteLine("OPENED MODEL : " + file.Split(new char[] { '\\' }).Last() + " | No of shape Instances in the model is : " + _productShape.Count() + "\n");


                PrintHierarchy(project, 0, spaceids, storeyids, _productShape, context);

                Console.WriteLine("\n" + "---------------------------------------E N D---------------------------------------" + "\n");
                /********************************************************************************/
            }
        }
Exemple #2
0
        //Use automatic indentation for readability.



        public static void Main()
        {
            using (var model = IfcStore.Open(file))
            {
                Console.WriteLine("\n" + "---------------------------------------S T A R T---------------------------------------" + "\n");
                Dictionary <string, IfcSpace>          spaceids;
                Dictionary <string, IfcBuildingStorey> storeyids;

                var project = model.Instances.FirstOrDefault <IIfcProject>();

                IEnumerable <IfcSpace> spaces = model.Instances.OfType <IfcSpace>();
                spaceids = getspaceelementids(spaces);

                IEnumerable <IfcBuildingStorey> storeys = model.Instances.OfType <IfcBuildingStorey>();
                storeyids = getstoreyelementids(storeys);

                var context = new Xbim3DModelContext(model);
                context.CreateContext();

                var productshape = context.ShapeInstances();

                var _productShape = context.ShapeInstances().Where(s => s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded).ToList();

                //name of the model
                var name_of_model = file.Split(new char[] { '\\' }).Last();

                //number of shapes in the model
                var number_of_shapes = _productShape.Count();

                Console.WriteLine("OPENED MODEL : " + name_of_model + " | No of shape Instances in the model is : " + number_of_shapes + "\n");


                //get the name of the model without the ifc extention
                var name_of_file = name_of_model.Split('.')[0];

                //creating the xml file in the project directory named after the name of the model
                xmlWriter = new XmlTextWriter(name_of_file + ".xml", null);

                //in order to have the correct xml format
                xmlWriter.Formatting = Formatting.Indented;
                xmlWriter.WriteStartDocument();
                //writing the start element Shapes with his attribut NumShapes
                xmlWriter.WriteStartElement("Shapes");
                xmlWriter.WriteAttributeString("NumShapes", number_of_shapes.ToString());


                PrintHierarchy(project, 0, spaceids, storeyids, _productShape, number_of_shapes, context);


                xmlWriter.WriteEndDocument();
                xmlWriter.Close();
                Console.WriteLine("\n" + "---------------------------------------E N D---------------------------------------" + "\n");
                /********************************************************************************/
            }
            Console.ReadLine();
        }
        //Use automatic indentation for readability.



        public static void Main()
        {
            using (var model = IfcStore.Open(file))
            {
                xmlWriter.Formatting = Formatting.Indented;

                Console.WriteLine("\n" + "---------------------------------------S T A R T---------------------------------------" + "\n");
                Dictionary <string, IfcSpace>          spaceids;
                Dictionary <string, IfcBuildingStorey> storeyids;

                var project = model.Instances.FirstOrDefault <IIfcProject>();

                IEnumerable <IfcSpace> spaces = model.Instances.OfType <IfcSpace>();
                spaceids = getspaceelementids(spaces);

                IEnumerable <IfcBuildingStorey> storeys = model.Instances.OfType <IfcBuildingStorey>();
                storeyids = getstoreyelementids(storeys);

                var context = new Xbim3DModelContext(model);
                context.CreateContext();

                var productshape = context.ShapeInstances();

                var _productShape   = context.ShapeInstances().Where(s => s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsExcluded).ToList();
                var Number_OF_Walls = _productShape.Count();
                Console.WriteLine("OPENED MODEL : " + file.Split(new char[] { '\\' }).Last() + " | No of shape Instances in the model is : " + Number_OF_Walls + "\n");



                xmlWriter.WriteStartDocument();

                xmlWriter.WriteStartElement("Wall");


                xmlWriter.WriteAttributeString("NumWall", Number_OF_Walls.ToString());


                PrintHierarchy(project, 0, spaceids, storeyids, _productShape, Number_OF_Walls, context);


                xmlWriter.WriteEndDocument();
                xmlWriter.Close();
                Console.WriteLine("\n" + "---------------------------------------E N D---------------------------------------" + "\n");
                /********************************************************************************/
            }
            Console.ReadLine();
        }
        internal static List <Data> HierarchyRun(IfcStore model)
        {
            var project = model.Instances.FirstOrDefault <IIfcProject>();

            var context = new Xbim3DModelContext(model);

            context.CreateContext();
            List <XbimShapeInstance> allShapeInstances = context.ShapeInstances().ToList();

            List <Data> data = GetIfc4.GetHierarchialData(project, 0, allShapeInstances);

            return(data);
        }
Exemple #5
0
        public static XbimGeometryHandleCollection GetApproximateGeometryHandles(this Xbim3DModelContext context, IEnumerable <int> loadLabels = null)
        {
            var retCollection = new XbimGeometryHandleCollection();

            if (loadLabels != null)
            {
                foreach (var shapeInstance in context.ShapeInstances()
                         .Where(x => loadLabels.Contains(x.InstanceLabel)))
                {
                    retCollection.Add(
                        new XbimGeometryHandle(
                            shapeInstance.InstanceLabel,
                            XbimGeometryType.TriangulatedMesh,
                            shapeInstance.IfcProductLabel,
                            shapeInstance.IfcTypeId,
                            shapeInstance.StyleLabel
                            )
                        );
                }
            }
            else
            {
                foreach (var shapeInstance in context.ShapeInstances()
                         .Where(s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded))
                {
                    retCollection.Add(
                        new XbimGeometryHandle(
                            shapeInstance.InstanceLabel,
                            XbimGeometryType.TriangulatedMesh,
                            shapeInstance.IfcProductLabel,
                            shapeInstance.IfcTypeId,
                            shapeInstance.StyleLabel
                            )
                        );
                }
            }
            return(retCollection);
        }
        private static void TestForClassificationOfIfcFeatureElements(Xbim3DModelContext context)
        {
            var excludedTypes = new HashSet <short>
            {
                IfcMetaData.IfcType(typeof(IfcFeatureElement)).TypeId,
                IfcMetaData.IfcType(typeof(IfcOpeningElement)).TypeId,
                IfcMetaData.IfcType(typeof(IfcProjectionElement)).TypeId
            };

            var shapeInstances = context.ShapeInstances().Where(s =>
                                                                excludedTypes.Contains(s.IfcTypeId) && // ifcfeatures
                                                                s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsOnly);

            // that are not classified as OpeningsAndAdditionsOnly

            Assert.IsFalse(shapeInstances.Any(),
                           "Should not find any shapes of with this classification of typeid and representationType.");
        }
         static void Main(string[] args)
         {
             const string file = @"4walls1floorSite.ifc";
 
             var model = IfcStore.Open(file);
             var context = new Xbim3DModelContext(model);
             context.CreateContext();
 
             var instances = context.ShapeInstances();
             foreach (var instance in instances)
             {
                 var geometry = context.ShapeGeometry(instance);
                 var data = ((IXbimShapeGeometryData)geometry).ShapeData;
                 using (var stream = new MemoryStream(data))
                 {
                     using (var reader = new BinaryReader(stream))
                     {
                         var mesh = reader.ReadShapeTriangulation();
                     }
                 }
             }
         }
        public XbimScene<WpfMeshGeometry3D, WpfMaterial> BuildScene(XbimModel model, Xbim3DModelContext context, List<Type> exclude = null)
        {
            var tmpOpaquesGroup = new Model3DGroup();

            var retScene = new XbimScene<WpfMeshGeometry3D, WpfMaterial>(model);
            
            var red = PrepareMesh(new XbimColour("Red", 1.0, 0.0, 0.0));
            var green = PrepareMesh(new XbimColour("Green", 0.0, 1.0, 0.0));
            var amber =PrepareMesh(new XbimColour("Amber", 0.0, 0.0, 1.0, 0.9));
            tmpOpaquesGroup.Children.Add(red);
            tmpOpaquesGroup.Children.Add(green);
            tmpOpaquesGroup.Children.Add(amber);


            var i = 0;

            foreach (var shapeInstance in context.ShapeInstances()
                .Where(s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded &&
                            !typeof (IfcFeatureElement).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId)) /*&&
                        !typeof(IfcSpace).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId))*/))
            {
                IXbimShapeGeometryData shapeGeom = context.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
                
                WpfMeshGeometry3D targetMergeMesh;
                switch (i++%3)
                {
                    case 0:
                        targetMergeMesh = red;
                        break;
                    case 1:
                        targetMergeMesh = green;
                        break;
                    default:
                        targetMergeMesh = amber;
                        break;
                }

                switch ((XbimGeometryType)shapeGeom.Format)
                {
                    case XbimGeometryType.Polyhedron:
                        var shapePoly = (XbimShapeGeometry)shapeGeom;
                        targetMergeMesh.Add(
                   shapePoly.ShapeData,
                   shapeInstance.IfcTypeId,
                   shapeInstance.IfcProductLabel,
                   shapeInstance.InstanceLabel,
                   XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom),
                   model.UserDefinedId
                   );
                        break;

                    case XbimGeometryType.PolyhedronBinary:
                        targetMergeMesh.Add(
                  shapeGeom.ShapeData,
                  shapeInstance.IfcTypeId,
                  shapeInstance.IfcProductLabel,
                  shapeInstance.InstanceLabel,
                  XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom),
                  model.UserDefinedId);
                        break;
                    default:
                        throw new ArgumentOutOfRangeException();
                }

               
                
            }

            var mv = new ModelVisual3D {Content = tmpOpaquesGroup};
            Control.OpaquesVisual3D.Children.Add(mv);
            Control.ModelBounds = mv.Content.Bounds.ToXbimRect3D();

            return retScene;
        }
Exemple #9
0
        public XbimScene <WpfMeshGeometry3D, WpfMaterial> BuildScene(XbimModel model, Xbim3DModelContext context, List <Type> exclude = null)
        {
            var tmpOpaquesGroup = new Model3DGroup();

            var retScene = new XbimScene <WpfMeshGeometry3D, WpfMaterial>(model);

            var red   = PrepareMesh(new XbimColour("Red", 1.0, 0.0, 0.0, 0.5));
            var green = PrepareMesh(new XbimColour("Green", 0.0, 1.0, 0.0, 0.5));

            red.WpfModel.SetValue(FrameworkElement.TagProperty, red);
            green.WpfModel.SetValue(FrameworkElement.TagProperty, green);
            red.BeginUpdate();
            green.BeginUpdate();

            tmpOpaquesGroup.Children.Add(red);
            tmpOpaquesGroup.Children.Add(green);

            var i = 0;

            foreach (var shapeInstance in context.ShapeInstances()
                     .Where(s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded &&
                            !typeof(IfcFeatureElement).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId)) /*&&
                                                                                                           * !typeof(IfcSpace).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId))*/))
            {
                IXbimShapeGeometryData shapeGeom = context.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
                WpfMeshGeometry3D      targetMergeMesh;
                switch (i++ % 2)
                {
                case 0:
                    targetMergeMesh = red;
                    break;

                default:
                    targetMergeMesh = green;
                    break;
                }
                switch ((XbimGeometryType)shapeGeom.Format)
                {
                case XbimGeometryType.Polyhedron:
                    var shapePoly = (XbimShapeGeometry)shapeGeom;
                    targetMergeMesh.Add(
                        shapePoly.ShapeData,
                        shapeInstance.IfcTypeId,
                        shapeInstance.IfcProductLabel,
                        shapeInstance.InstanceLabel,
                        XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom),
                        model.UserDefinedId);
                    break;

                case XbimGeometryType.PolyhedronBinary:
                    targetMergeMesh.Add(
                        shapeGeom.ShapeData,
                        shapeInstance.IfcTypeId,
                        shapeInstance.IfcProductLabel,
                        shapeInstance.InstanceLabel,
                        XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.ModelPositions[model].Transfrom),
                        model.UserDefinedId
                        );
                    break;

                default:
                    throw new ArgumentOutOfRangeException();
                }
            }

            red.EndUpdate();
            green.EndUpdate();

            var mv = new ModelVisual3D {
                Content = tmpOpaquesGroup
            };

            Control.OpaquesVisual3D.Children.Add(mv);
            // Control.ModelBounds = mv.Content.Bounds.ToXbimRect3D();

            return(retScene);
        }
        internal static List <Data> Run(Xbim.Ifc.IfcStore model)
        {
            // Specify elements
            List <Xbim.Ifc2x3.Interfaces.IIfcWall> allWalls =
                model.Instances.OfType <Xbim.Ifc2x3.Interfaces.IIfcWall>().ToList(); int a = allWalls.Count();

            List <Xbim.Ifc2x3.Interfaces.IIfcOpeningElement> allOpenigs =
                model.Instances.OfType <Xbim.Ifc2x3.Interfaces.IIfcOpeningElement>().ToList(); int b = allOpenigs.Count();

            List <Xbim.Ifc2x3.Interfaces.IIfcBeamType> allBeams =
                model.Instances.OfType <Xbim.Ifc2x3.Interfaces.IIfcBeamType>().ToList(); int c = allBeams.Count();

            List <Xbim.Ifc2x3.Interfaces.IIfcColumnType> allColumns =
                model.Instances.OfType <Xbim.Ifc2x3.Interfaces.IIfcColumnType>().ToList(); int d = allColumns.Count();

            List <Xbim.Ifc2x3.Interfaces.IIfcElement> ifcElements =
                model.Instances.OfType <Xbim.Ifc2x3.Interfaces.IIfcElement>().ToList(); int e = ifcElements.Count();


            // Extract geometry
            var context = new Xbim3DModelContext(model);

            context.CreateContext();
            var instances = context.ShapeInstances().ToList();
            IEnumerator <XbimShapeInstance> allShapeInstances = instances.GetEnumerator();

            List <Data> allData = new List <Data>();

            while (allShapeInstances.MoveNext())
            {
                // get data from shape instance
                XbimShapeInstance xbimShapeInstance        = allShapeInstances.Current;
                Xbim.Ifc2x3.Interfaces.IIfcElement element = ifcElements.FirstOrDefault(x => x.EntityLabel == xbimShapeInstance.IfcProductLabel);
                string name = element.Name;
                string id   = element.GlobalId;

                var ro          = xbimShapeInstance.Transformation;
                var translation = ro.Translation;
                var decompose   = ro.Decompose(out XbimVector3D scale, out XbimQuaternion rot, out XbimVector3D trans);

                Matrix <double> matrixData = DenseMatrix.OfArray(new double[, ] {
                    { ro.M11, ro.M12, ro.M13, ro.M14 },
                    { ro.M21, ro.M22, ro.M23, ro.M24 },
                    { ro.M31, ro.M32, ro.M33, ro.M34 },
                    { ro.OffsetX, ro.OffsetY, ro.OffsetZ, ro.M44 }
                });
                matrixData = matrixData.Transpose();
                Console.WriteLine(matrixData.ToString());
                XbimRect3D  rect = xbimShapeInstance.BoundingBox;
                XbimPoint3D Min  = rect.Min;
                XbimPoint3D Max  = rect.Max;
                Data        data = new Data
                                   (
                    name,
                    id,
                    new BoundingBox(new XYZ(Min.X, Min.Y, Min.Z), new XYZ(Max.X, Max.Y, Max.Z)),
                    new XYZ(translation.X, translation.Y, translation.Z),
                    matrixData
                                   );
                allData.Add(data);
            }

            return(allData);
        }
        /// <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 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
            int i = 0;
            var shapeInstances = context.ShapeInstances()
                .Where(s => s.RepresentationType == XbimGeometryRepresentationType.OpeningsAndAdditionsIncluded &&
                            !typeof (IfcFeatureElement).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId)) /*&&
                        !typeof(IfcSpace).IsAssignableFrom(IfcMetaData.GetType(s.IfcTypeId))*/);
            foreach (var shapeInstance in shapeInstances)
            {
                Console.WriteLine(i++);
                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.WcsTransform).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.WcsTransform).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;
                                targetMergeMeshByStyle.Add(
                           shapePoly.ShapeData,
                           shapeInstance.IfcTypeId,
                           shapeInstance.IfcProductLabel,
                           shapeInstance.InstanceLabel,
                           XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.WcsTransform));
                                break;

                            case XbimGeometryType.PolyhedronBinary:
                                targetMergeMeshByStyle.Add(
                          shapeGeom.ShapeData,
                          shapeInstance.IfcTypeId,
                          shapeInstance.IfcProductLabel,
                          shapeInstance.InstanceLabel,
                          XbimMatrix3D.Multiply(shapeInstance.Transformation, Control.WcsTransform));
                                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.Opaques.Children.Add(mv);
                Control.ModelBounds = mv.Content.Bounds.ToXbimRect3D();
            }
            if (tmpTransparentsGroup.Children.Any())
            {
                var mv = new ModelVisual3D();
                mv.Content = tmpTransparentsGroup;
                Control.Transparents.Children.Add(mv);
                if (Control.ModelBounds.IsEmpty) Control.ModelBounds = mv.Content.Bounds.ToXbimRect3D();
                else Control.ModelBounds.Union(mv.Content.Bounds.ToXbimRect3D());
            }
            return scene;
        }
Exemple #12
0
        /// <summary>
        /// Retrieves model metrics for future analysis
        /// </summary>
        /// <param name="args"></param>
        static void Main(string[] args)
        {
            Params arguments = Params.ParseParams(args);

            if (arguments.IsValid)
            {
                var metrics = new XbimModelMetrics();
                using (var model = IfcStore.Open(arguments.SourceModelName))
                {
                    if (!arguments.SourceIsXbimFile) //need to parse the file
                    {
                        Console.WriteLine("Generating Geometry ...");
                        var m3D = new Xbim3DModelContext(model);
                        m3D.CreateContext();
                    }
                    Console.WriteLine("Analysing.....");
                    metrics["Number Of IfcProducts"] = model.Instances.OfType <IfcProduct>().Count();
                    var shapeDefinitions = model.Instances.OfType <IfcProductDefinitionShape>().ToList();
                    metrics["Number Of IfcProductDefinitionShape"] = shapeDefinitions.Count();
                    var rep = shapeDefinitions.SelectMany(shape => shape.Representations.SelectMany(a => a.Items));
                    //.Where(s=>s.IsSolidModel()));
                    metrics["Number Of Shape Items"] = rep.Count();

                    metrics["Number Of IfcCartesianPoint"]         = model.Instances.OfType <IfcCartesianPoint>().Count();
                    metrics["Number Of IfcFaceBasedSurfaceModel"]  = model.Instances.OfType <IfcFaceBasedSurfaceModel>().Count();
                    metrics["Number Of IfcShellBasedSurfaceModel"] = model.Instances.OfType <IfcShellBasedSurfaceModel>().Count();
                    metrics["Number Of IfcSolidModel"]             = model.Instances.OfType <IfcSolidModel>().Count();
                    metrics["Number Of IfcHalfSpaceSolid"]         = model.Instances.OfType <IfcHalfSpaceSolid>().Count();
                    metrics["Number Of IfcBooleanResult"]          = model.Instances.OfType <IfcBooleanResult>().Count();
                    metrics["Number Of IfcMappedItem"]             = model.Instances.OfType <IfcMappedItem>().Count();
                    double totalVoids         = 0;
                    double maxVoidsPerElement = 0;
                    double totalElements      = 0;
                    foreach (var relVoids in model.Instances.OfType <IfcRelVoidsElement>().GroupBy(r => r.RelatingBuildingElement))
                    {
                        var voidCount = relVoids.Count();
                        totalVoids += voidCount;
                        totalElements++;
                        double newmaxVoidsPerElement = Math.Max(maxVoidsPerElement, voidCount);
                        if (newmaxVoidsPerElement != maxVoidsPerElement)
                        {
                            maxVoidsPerElement = newmaxVoidsPerElement;
                            Console.WriteLine("Element is #{0}", relVoids.Key.EntityLabel);
                        }
                    }
                    metrics["Total Of Openings Cut"]           = totalVoids;
                    metrics["Number Of Element with Openings"] = totalElements;
                    metrics["Maximum openings in an Element"]  = maxVoidsPerElement;
                    metrics["Average openings in an Element"]  = totalVoids == 0 ? 0.0 : totalElements / totalVoids;

                    //if the model has shape geometry report on that
                    var context = new Xbim3DModelContext(model);
                    metrics["Number of Shape Geometries"] = context.ShapeGeometries().Count();
                    metrics["Number of Shape Instances"]  = context.ShapeInstances().Count();
                    // metrics["Number of Surface Styles"] = context.().Count();
                    model.Close();
                }
                foreach (var metric in metrics)
                {
                    Console.WriteLine("{0} = {1}", metric.Key, metric.Value);
                }
            }

            Console.WriteLine("Press Enter to continue...");
            Console.ReadLine();
        }
Exemple #13
0
        /// <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);
        }
Exemple #14
0
        private void ShowGeometrySummary(XbimModel model)
        {
            var context = new Xbim3DModelContext(model);

            Console.WriteLine();
            Console.WriteLine("Styles");
            foreach (var styles in context.SurfaceStyles())
            {
                Console.WriteLine("{0,-6} {1,-30} {2,-6}",
                                  styles.DefinedObjectId,
                                  styles.ColourMap.First(),
                                  styles.IsTransparent);
            }
            var largest = context.GetLargestRegion();

            Console.WriteLine();
            Console.WriteLine("Regions");
            foreach (var region in context.GetRegions())
            {
                Console.WriteLine("{0,-20} {1,6} {2}",
                                  region.Name,
                                  region.Population,
                                  (region == largest));
            }



            Console.WriteLine("{0,-8}, {1,-8}, {2,6} {3,8}",
                              "Ifc Label",
                              "Label",
                              "Ref Count",
                              "Bytes");

            var geometries = GetGeom(model)
                             .OrderByDescending(o => o.Cost)
                             .Distinct()
                             .Take(10);

            var items = from inst in context.ShapeInstances()
                        join prod in model.Instances.OfType <IfcProduct>()
                        on inst.IfcProductLabel equals prod.EntityLabel
                        select new
            {
                Instance = inst,
                Geometry = context.ShapeGeometry(inst.InstanceLabel),
                Product  = prod
            };

            var expensiveProducts = items
                                    .OrderByDescending(o => (o.Geometry.IsValid ? o.Geometry.Cost : 0))
                                    .Take(20);

            foreach (var geometry in geometries)
            {
                Console.WriteLine("{0, -8}, {1,-8}, {2,6} {3,8}",
                                  geometry.IfcShapeLabel,
                                  geometry.ShapeLabel,
                                  geometry.ReferenceCount,
                                  geometry.Cost);
            }

            Console.WriteLine();
            Console.WriteLine("Top 20 expensive items");
            foreach (var item in expensiveProducts)
            {
                Console.WriteLine("{0,-6} {1,-40} {2,-20} {3,6}",
                                  item.Product.EntityLabel,
                                  item.Product.Name.ToString().Truncate(40),
                                  item.Product.GetType().Name,
                                  item.Geometry.Cost
                                  );
            }
        }
        private static void TestForClassificationOfIfcFeatureElements(Xbim3DModelContext context)
        {
            var excludedTypes = new HashSet<short>
            {
                IfcMetaData.IfcType(typeof (IfcFeatureElement)).TypeId,
                IfcMetaData.IfcType(typeof (IfcOpeningElement)).TypeId,
                IfcMetaData.IfcType(typeof (IfcProjectionElement)).TypeId
            };

            var shapeInstances = context.ShapeInstances().Where(s =>
                excludedTypes.Contains(s.IfcTypeId) && // ifcfeatures
                s.RepresentationType != XbimGeometryRepresentationType.OpeningsAndAdditionsOnly);
                // that are not classified as OpeningsAndAdditionsOnly

            Assert.IsFalse(shapeInstances.Any(),
                "Should not find any shapes of with this classification of typeid and representationType.");
        }
Exemple #16
0
        /// <summary>
        /// Extract Geometries from IFC file.
        /// </summary>
        /// <param name="model">IfcStore model.</param>
        /// <param name="geometries">Geometries data.</param>
        /// <param name="modelBoundingBox">Bounding box of the ifc model.</param>
        public static void ExtractGeometries(IfcStore model, ref Dictionary <string, GeometryStore> geometries, ref XbimRect3D modelBoundingBox)
        {
            // context is used to extract geometry data
            var context = new Xbim3DModelContext(model);
            var meter   = context.Model.ModelFactors.OneMeter;

            context.CreateContext();

            // start to extract geometry data
            var           instances = context.ShapeInstances();
            XbimColourMap colorMap  = new XbimColourMap();

            foreach (var instance in instances) // each instance is a mesh
            {
                MeshStore meshStore = new MeshStore();

                // get the color of this mesh
                var        ss    = model.Instances[instance.StyleLabel] as IIfcSurfaceStyle;
                XbimColour color = XbimColour.DefaultColour;
                if (ss != null)
                {
                    var texture = XbimTexture.Create(ss);
                    color = texture.ColourMap.FirstOrDefault();
                }
                else
                {
                    var styleId = instance.StyleLabel > 0 ? instance.StyleLabel : instance.IfcTypeId;
                    var theType = model.Metadata.GetType((short)styleId);
                    color = colorMap[theType.Name];
                }

                meshStore.Color = string.Format("{0},{1},{2},{3}", (int)(color.Red * 255), (int)(color.Green * 255), (int)(color.Blue * 255), color.Alpha * 255);

                var geometry = context.ShapeGeometry(instance);
                var data     = (geometry as IXbimShapeGeometryData).ShapeData;

                // multiple geometry may belong to one product, like frame and glass belong to a ifcwindow
                var product = model.Instances[instance.IfcProductLabel] as IIfcProduct;

                if (!geometries.ContainsKey(product.GlobalId))
                {
                    geometries.Add(product.GlobalId, new GeometryStore(product.GlobalId, product.Name));
                }
                var geometryStore = geometries[product.GlobalId];

                // reading the real geometry data
                using (var stream = new MemoryStream(data))
                {
                    using (var reader = new BinaryReader(stream))
                    {
                        // triangle the instance and transform it to the correct position
                        var mesh = reader.ReadShapeTriangulation();
                        mesh = mesh.Transform(instance.Transformation);

                        // geometry data
                        var verticesData = new List <double>();
                        var normalsData  = new List <double>();
                        var indexesData  = new List <int>();

                        // bouding box for instance.
                        double minX = double.MaxValue, minY = double.MaxValue, minZ = double.MaxValue,
                               maxX = double.MinValue, maxY = double.MinValue, maxZ = double.MinValue;

                        var faces = mesh.Faces as List <XbimFaceTriangulation>;
                        foreach (var face in faces)
                        {
                            foreach (var indice in face.Indices)
                            {
                                indexesData.Add(indice);
                            }
                            foreach (var normal in face.Normals)
                            {
                                normalsData.Add(normal.Normal.X);
                                normalsData.Add(normal.Normal.Y);
                                normalsData.Add(normal.Normal.Z);
                            }
                        }
                        var vertices = mesh.Vertices as List <XbimPoint3D>;
                        foreach (var point in vertices)
                        {
                            double x = point.X / meter, y = point.Y / meter, z = point.Z / meter;
                            verticesData.Add(x); // convert to meter
                            verticesData.Add(y);
                            verticesData.Add(z);

                            // update bounding box
                            minX = Math.Min(minX, x);
                            minY = Math.Min(minY, y);
                            minZ = Math.Min(minZ, z);
                            maxX = Math.Max(maxX, x);
                            maxY = Math.Max(maxY, y);
                            maxZ = Math.Max(maxZ, z);
                        }

                        if (minX == double.MaxValue || minY == double.MaxValue || minZ == double.MaxValue ||
                            maxX == double.MinValue || maxY == double.MinValue || maxZ == double.MinValue)
                        {
                            throw new Exception("Invalid Boundingbox");
                        }

                        // do not trust instance.BoundingBox, it seems to be wrong.
                        XbimRect3D bbox = new XbimRect3D(minX, minY, minZ, maxX - minX, maxY - minY, maxZ - minZ);

                        // update boundingbox of current geometryStore
                        geometryStore.BoundBox = GeometryStore.Union(geometryStore.BoundBox, bbox);

                        // update boundingbox of ifc model
                        modelBoundingBox = GeometryStore.Union(modelBoundingBox, bbox);

                        meshStore.Vertexes = verticesData;
                        meshStore.Normals  = normalsData;
                        meshStore.Indexes  = indexesData;
                    }
                }
                geometryStore.Meshes.Add(meshStore);
            }
        }