コード例 #1
0
        // attempting to load the shapeGeometry from the database; 
        // 
        public static WpfMeshGeometry3D GetGeometry(IIfcShapeRepresentation rep, XbimModelPositioningCollection positions, Material mat, bool wcsAdjust)
        {
            var productContexts = rep.OfProductRepresentation?.OfType<IIfcProductDefinitionShape>().SelectMany(x => x.ShapeOfProduct);
            var representationLabels = rep.Items.Select(x => x.EntityLabel);
            var selModel = rep.Model;
            var modelTransform = positions[selModel].Transform;

            return GetRepresentationGeometry(mat, productContexts, representationLabels, selModel, modelTransform, wcsAdjust);
        }
コード例 #2
0
        // attempting to load the shapeGeometry from the database;
        //
        public static WpfMeshGeometry3D GetGeometry(IIfcShapeRepresentation rep, XbimModelPositioningCollection positions, Material mat)
        {
            var placementTree = new XbimPlacementTree(rep.Model);

            var tgt = new WpfMeshGeometry3D(mat, mat);

            tgt.BeginUpdate();
            var prodShapes = rep.OfProductRepresentation.OfType <IIfcProductDefinitionShape>();

            foreach (var prodShape in prodShapes)
            {
                if (prodShape?.ShapeOfProduct == null)
                {
                    continue;
                }
                foreach (var contextualProduct in prodShape?.ShapeOfProduct)
                {
                    var trsf           = placementTree[contextualProduct.ObjectPlacement.EntityLabel];
                    var modelTransform = positions[rep.Model].Transform;
                    using (var geomstore = rep.Model.GeometryStore)
                        using (var geomReader = geomstore.BeginRead())
                        {
                            var dispitems = rep.Items.Select(x => x.EntityLabel);
                            var r2        = geomReader.ShapeGeometries.Where(x => dispitems.Contains(x.IfcShapeLabel));

                            foreach (IXbimShapeGeometryData shapegeom in r2)
                            {
                                if (shapegeom.Format != (byte)XbimGeometryType.PolyhedronBinary)
                                {
                                    continue;
                                }
                                // Debug.WriteLine($"adding {shapegeom.ShapeLabel} at {DateTime.Now.ToLongTimeString()}");
                                var transform = trsf * modelTransform;
                                tgt.Add(
                                    shapegeom.ShapeData,
                                    453,                           // shapeInstance.IfcTypeId,
                                    contextualProduct.EntityLabel, // shapeInstance.IfcProductLabel,
                                    -1,                            // shapeInstance.InstanceLabel,
                                    transform,
                                    (short)rep.Model.UserDefinedId
                                    );
                            }
                        }
                }
            }
            tgt.EndUpdate();
            return(tgt);
        }