Example #1
0
        public static void ConvertElement3D(GsaElement3d element3d,
                                            ref Dictionary <int, Element> existingElements, ref int elementidcounter,
                                            ref Dictionary <int, Node> existingNodes, ref int nodeidcounter
                                            )
        {
            List <Point3d> meshVerticies = element3d.Topology;

            //Loop through all faces in mesh to update topology list to fit model nodes
            for (int i = 0; i < element3d.Elements.Count; i++)
            {
                Element    apiMeshElement  = element3d.Elements[i];
                List <int> meshVertexIndex = element3d.TopoInt[i];

                List <int> topo = new List <int>(); // temp topologylist

                //Loop through topology
                for (int j = 0; j < meshVertexIndex.Count; j++)
                {
                    int id = Nodes.GetExistingNodeID(existingNodes, meshVerticies[meshVertexIndex[j]]);
                    if (id > 0)
                    {
                        topo.Add(id);
                    }
                    else
                    {
                        existingNodes.Add(nodeidcounter, Nodes.NodeFromPoint(meshVerticies[meshVertexIndex[j]]));
                        topo.Add(nodeidcounter);
                        nodeidcounter++;
                    }
                }
                //update topology in Element
                apiMeshElement.Topology = new ReadOnlyCollection <int>(topo.ToList());

                // section
                //if (apiMeshElement.Property == 0)
                //    apiMeshElement.Property = Prop2ds.ConvertProp2d(element2d.Properties[i], ref existingProp2Ds, ref prop2didcounter);


                // set api element in dictionary
                if (element3d.ID[i] > 0) // if the ID is larger than 0 than means the ID has been set and we sent it to the known list
                {
                    existingElements[element3d.ID[i]] = apiMeshElement;
                }
                else
                {
                    existingElements.Add(elementidcounter, apiMeshElement);
                    elementidcounter++;
                }
            }
        }
Example #2
0
        public static void ConvertElement3D(List <GsaElement3d> element3ds,
                                            ref Dictionary <int, Element> existingElements, ref int elementidcounter,
                                            ref Dictionary <int, Node> existingNodes,
                                            GrasshopperAsyncComponent.WorkerInstance workerInstance = null,
                                            Action <string, double> ReportProgress = null)
        {
            // create a counter for creating new elements, nodes and properties
            int nodeidcounter = (existingNodes.Count > 0) ? existingNodes.Keys.Max() + 1 : 1;

            //int prop2didcounter = (existingProp2Ds.Count > 0) ? existingProp2Ds.Keys.Max() + 1 : 1; //checking the existing model

            // Elem3ds
            if (element3ds != null)
            {
                for (int i = 0; i < element3ds.Count; i++)
                {
                    if (workerInstance != null)
                    {
                        if (workerInstance.CancellationToken.IsCancellationRequested)
                        {
                            return;
                        }
                        ReportProgress("Elem3D ", (double)i / (element3ds.Count - 1));
                    }


                    if (element3ds[i] != null)
                    {
                        GsaElement3d element3d = element3ds[i];

                        ConvertElement3D(element3d,
                                         ref existingElements, ref elementidcounter,
                                         ref existingNodes, ref nodeidcounter);
                    }
                }
            }
            if (workerInstance != null)
            {
                ReportProgress("Elem3D assembled", -2);
            }
        }
Example #3
0
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            #region GetData
            Models            = null;
            Nodes             = null;
            Elem1ds           = null;
            Elem2ds           = null;
            Elem3ds           = null;
            Mem1ds            = null;
            Mem2ds            = null;
            Mem3ds            = null;
            Loads             = null;
            Sections          = null;
            Prop2Ds           = null;
            GridPlaneSurfaces = null;

            // Get Model input
            List <GH_ObjectWrapper> gh_types = new List <GH_ObjectWrapper>();
            if (DA.GetDataList(0, gh_types))
            {
                List <GsaModel> in_models = new List <GsaModel>();
                for (int i = 0; i < gh_types.Count; i++)
                {
                    GH_ObjectWrapper gh_typ = gh_types[i];
                    if (gh_typ == null)
                    {
                        Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Input is null"); return;
                    }
                    if (gh_typ.Value is GsaModelGoo)
                    {
                        GsaModel in_model = new GsaModel();
                        gh_typ.CastTo(ref in_model);
                        in_models.Add(in_model);
                    }
                    else
                    {
                        string type = gh_typ.Value.GetType().ToString();
                        type = type.Replace("GhSA.Parameters.", "");
                        type = type.Replace("Goo", "");
                        Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert GSA input parameter of type " +
                                                       type + " to GsaModel");
                        return;
                    }
                }
                Models = in_models;
            }

            // Get Section Property input
            gh_types = new List <GH_ObjectWrapper>();
            if (DA.GetDataList(1, gh_types))
            {
                List <GsaSection> in_sect = new List <GsaSection>();
                List <GsaProp2d>  in_prop = new List <GsaProp2d>();
                for (int i = 0; i < gh_types.Count; i++)
                {
                    GH_ObjectWrapper gh_typ = gh_types[i];
                    if (gh_typ.Value is GsaSectionGoo)
                    {
                        GsaSection gsasection = new GsaSection();
                        gh_typ.CastTo(ref gsasection);
                        in_sect.Add(gsasection.Duplicate());
                    }
                    else if (gh_typ.Value is GsaProp2dGoo)
                    {
                        GsaProp2d gsaprop = new GsaProp2d();
                        gh_typ.CastTo(ref gsaprop);
                        in_prop.Add(gsaprop.Duplicate());
                    }
                    else
                    {
                        string type = gh_typ.Value.GetType().ToString();
                        type = type.Replace("GhSA.Parameters.", "");
                        type = type.Replace("Goo", "");
                        Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert Prop input parameter of type " +
                                                       type + " to GsaSection or GsaProp2d");
                        return;
                    }
                }
                if (in_sect.Count > 0)
                {
                    Sections = in_sect;
                }
                if (in_prop.Count > 0)
                {
                    Prop2Ds = in_prop;
                }
            }

            // Get Geometry input
            gh_types = new List <GH_ObjectWrapper>();
            List <GsaNode>      in_nodes   = new List <GsaNode>();
            List <GsaElement1d> in_elem1ds = new List <GsaElement1d>();
            List <GsaElement2d> in_elem2ds = new List <GsaElement2d>();
            List <GsaElement3d> in_elem3ds = new List <GsaElement3d>();
            List <GsaMember1d>  in_mem1ds  = new List <GsaMember1d>();
            List <GsaMember2d>  in_mem2ds  = new List <GsaMember2d>();
            List <GsaMember3d>  in_mem3ds  = new List <GsaMember3d>();
            if (DA.GetDataList(2, gh_types))
            {
                for (int i = 0; i < gh_types.Count; i++)
                {
                    GH_ObjectWrapper gh_typ = new GH_ObjectWrapper();
                    gh_typ = gh_types[i];
                    if (gh_typ.Value is GsaNodeGoo)
                    {
                        GsaNode gsanode = new GsaNode();
                        gh_typ.CastTo(ref gsanode);
                        in_nodes.Add(gsanode.Duplicate());
                    }
                    else if (gh_typ.Value is GsaElement1dGoo)
                    {
                        GsaElement1d gsaelem1 = new GsaElement1d();
                        gh_typ.CastTo(ref gsaelem1);
                        in_elem1ds.Add(gsaelem1.Duplicate());
                    }
                    else if (gh_typ.Value is GsaElement2dGoo)
                    {
                        GsaElement2d gsaelem2 = new GsaElement2d();
                        gh_typ.CastTo(ref gsaelem2);
                        in_elem2ds.Add(gsaelem2.Duplicate());
                    }
                    else if (gh_typ.Value is GsaElement3dGoo)
                    {
                        GsaElement3d gsaelem3 = new GsaElement3d();
                        gh_typ.CastTo(ref gsaelem3);
                        in_elem3ds.Add(gsaelem3.Duplicate());
                    }
                    else if (gh_typ.Value is GsaMember1dGoo)
                    {
                        GsaMember1d gsamem1 = new GsaMember1d();
                        gh_typ.CastTo(ref gsamem1);
                        in_mem1ds.Add(gsamem1.Duplicate());
                    }
                    else if (gh_typ.Value is GsaMember2dGoo)
                    {
                        GsaMember2d gsamem2 = new GsaMember2d();
                        gh_typ.CastTo(ref gsamem2);
                        in_mem2ds.Add(gsamem2.Duplicate());
                    }
                    else if (gh_typ.Value is GsaMember3dGoo)
                    {
                        GsaMember3d gsamem3 = new GsaMember3d();
                        gh_typ.CastTo(ref gsamem3);
                        in_mem3ds.Add(gsamem3.Duplicate());
                    }
                    else
                    {
                        string type = gh_typ.Value.GetType().ToString();
                        type = type.Replace("GhSA.Parameters.", "");
                        type = type.Replace("Goo", "");
                        Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert Geometry input parameter of type " +
                                                       type + System.Environment.NewLine + " to Node, Element1D, Element2D, Element3D, Member1D, Member2D or Member3D");
                        return;
                    }
                }
                if (in_nodes.Count > 0)
                {
                    Nodes = in_nodes;
                }
                if (in_elem1ds.Count > 0)
                {
                    Elem1ds = in_elem1ds;
                }
                if (in_elem2ds.Count > 0)
                {
                    Elem2ds = in_elem2ds;
                }
                if (in_elem3ds.Count > 0)
                {
                    Elem3ds = in_elem3ds;
                }
                if (in_mem1ds.Count > 0)
                {
                    Mem1ds = in_mem1ds;
                }
                if (in_mem2ds.Count > 0)
                {
                    Mem2ds = in_mem2ds;
                }
                if (in_mem3ds.Count > 0)
                {
                    Mem3ds = in_mem3ds;
                }
            }


            // Get Loads input
            gh_types = new List <GH_ObjectWrapper>();
            if (DA.GetDataList(3, gh_types))
            {
                List <GsaLoad>             in_loads = new List <GsaLoad>();
                List <GsaGridPlaneSurface> in_gps   = new List <GsaGridPlaneSurface>();
                for (int i = 0; i < gh_types.Count; i++)
                {
                    GH_ObjectWrapper gh_typ = gh_types[i];
                    if (gh_typ.Value is GsaLoadGoo)
                    {
                        GsaLoad gsaload = null;
                        gh_typ.CastTo(ref gsaload);
                        in_loads.Add(gsaload.Duplicate());
                    }
                    else if (gh_typ.Value is GsaGridPlaneSurfaceGoo)
                    {
                        GsaGridPlaneSurface gsaGPS = new GsaGridPlaneSurface();
                        gh_typ.CastTo(ref gsaGPS);
                        in_gps.Add(gsaGPS.Duplicate());
                    }
                    else
                    {
                        string type = gh_typ.Value.GetType().ToString();
                        type = type.Replace("GhSA.Parameters.", "");
                        type = type.Replace("Goo", "");
                        Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert Load input parameter of type " +
                                                       type + " to Load or GridPlaneSurface");
                        return;
                    }
                }
                if (in_loads.Count > 0)
                {
                    Loads = in_loads;
                }
                if (in_gps.Count > 0)
                {
                    GridPlaneSurfaces = in_gps;
                }
            }
            // manually add a warning if no input is set, as all inputs are optional
            if (Models == null & Nodes == null & Elem1ds == null & Elem2ds == null &
                Mem1ds == null & Mem2ds == null & Mem3ds == null & Sections == null
                & Prop2Ds == null & Loads == null & GridPlaneSurfaces == null)
            {
                AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Input parameters failed to collect data");
                return;
            }

            #endregion

            #region DoWork
            GsaModel analysisModel = null;
            if (Models != null)
            {
                if (Models.Count > 0)
                {
                    if (Models.Count > 1)
                    {
                        analysisModel = Util.Gsa.ToGSA.Models.MergeModel(Models);
                    }
                    else
                    {
                        analysisModel = Models[0].Clone();
                    }
                }
            }
            if (analysisModel != null)
            {
                OutModel = analysisModel;
            }
            else
            {
                OutModel = new GsaModel();
            }

            // Assemble model
            Model gsa = Util.Gsa.ToGSA.Assemble.AssembleModel(analysisModel, Nodes, Elem1ds, Elem2ds, Elem3ds, Mem1ds, Mem2ds, Mem3ds, Sections, Prop2Ds, Loads, GridPlaneSurfaces);
            //gsa.SaveAs(@"C:\Users\Kristjan.Nielsen\Desktop\test3.gwb");
            #region meshing
            // Create elements from members
            gsa.CreateElementsFromMembers();
            #endregion

            #region analysis

            //analysis
            IReadOnlyDictionary <int, AnalysisTask> gsaTasks = gsa.AnalysisTasks();
            if (gsaTasks.Count < 1)
            {
                AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Model contains no Analysis Tasks");
            }

            foreach (KeyValuePair <int, AnalysisTask> task in gsaTasks)
            {
                if (!(gsa.Analyse(task.Key)))
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Warning Analysis Case " + task.Key + " could not be analysed");
                }
            }

            #endregion
            OutModel.Model = gsa;

            //gsa.SaveAs("C:\\Users\\Kristjan.Nielsen\\Desktop\\GsaGH_test.gwb");
            #endregion

            #region SetData
            DA.SetData(0, new GsaModelGoo(OutModel));
            #endregion
        }
            public override void GetData(IGH_DataAccess DA, GH_ComponentParamServer Params)
            {
                #region GetData
                Models            = null;
                Nodes             = null;
                Elem1ds           = null;
                Elem2ds           = null;
                Elem3ds           = null;
                Mem1ds            = null;
                Mem2ds            = null;
                Mem3ds            = null;
                Loads             = null;
                Sections          = null;
                Prop2Ds           = null;
                GridPlaneSurfaces = null;
                OutModel          = null;
                component         = Params.Owner;

                // Get Model input
                List <GH_ObjectWrapper> gh_types = new List <GH_ObjectWrapper>();
                if (DA.GetDataList(0, gh_types))
                {
                    List <GsaModel> in_models = new List <GsaModel>();
                    for (int i = 0; i < gh_types.Count; i++)
                    {
                        if (gh_types[i] == null)
                        {
                            return;
                        }
                        GH_ObjectWrapper gh_typ = gh_types[i];
                        if (gh_typ.Value is GsaModelGoo)
                        {
                            GsaModel in_model = new GsaModel();
                            gh_typ.CastTo(ref in_model);
                            in_models.Add(in_model);
                        }
                        else
                        {
                            string type = gh_typ.Value.GetType().ToString();
                            type = type.Replace("GhSA.Parameters.", "");
                            type = type.Replace("Goo", "");
                            Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert GSA input parameter of type " +
                                                           type + " to GsaModel");
                            return;
                        }
                    }
                    Models = in_models;
                }

                // Get Section Property input
                gh_types = new List <GH_ObjectWrapper>();
                if (DA.GetDataList(1, gh_types))
                {
                    List <GsaSection> in_sect = new List <GsaSection>();
                    List <GsaProp2d>  in_prop = new List <GsaProp2d>();
                    for (int i = 0; i < gh_types.Count; i++)
                    {
                        if (gh_types[i] == null)
                        {
                            return;
                        }
                        GH_ObjectWrapper gh_typ = gh_types[i];
                        if (gh_typ.Value is GsaSectionGoo)
                        {
                            GsaSection gsasection = new GsaSection();
                            gh_typ.CastTo(ref gsasection);
                            in_sect.Add(gsasection.Duplicate());
                        }
                        else if (gh_typ.Value is GsaProp2dGoo)
                        {
                            GsaProp2d gsaprop = new GsaProp2d();
                            gh_typ.CastTo(ref gsaprop);
                            in_prop.Add(gsaprop.Duplicate());
                        }
                        else
                        {
                            string type = gh_typ.Value.GetType().ToString();
                            type = type.Replace("GhSA.Parameters.", "");
                            type = type.Replace("Goo", "");
                            Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert Prop input parameter of type " +
                                                           type + " to GsaSection or GsaProp2d");
                            return;
                        }
                    }
                    if (in_sect.Count > 0)
                    {
                        Sections = in_sect;
                    }
                    if (in_prop.Count > 0)
                    {
                        Prop2Ds = in_prop;
                    }
                }

                // Get Geometry input
                gh_types = new List <GH_ObjectWrapper>();
                List <GsaNode>      in_nodes   = new List <GsaNode>();
                List <GsaElement1d> in_elem1ds = new List <GsaElement1d>();
                List <GsaElement2d> in_elem2ds = new List <GsaElement2d>();
                List <GsaElement3d> in_elem3ds = new List <GsaElement3d>();
                List <GsaMember1d>  in_mem1ds  = new List <GsaMember1d>();
                List <GsaMember2d>  in_mem2ds  = new List <GsaMember2d>();
                List <GsaMember3d>  in_mem3ds  = new List <GsaMember3d>();
                if (DA.GetDataList(2, gh_types))
                {
                    for (int i = 0; i < gh_types.Count; i++)
                    {
                        if (gh_types[i] == null)
                        {
                            return;
                        }
                        GH_ObjectWrapper gh_typ = gh_types[i];
                        if (gh_typ.Value is GsaNodeGoo)
                        {
                            GsaNode gsanode = new GsaNode();
                            gh_typ.CastTo(ref gsanode);
                            in_nodes.Add(gsanode.Duplicate());
                        }
                        else if (gh_typ.Value is GsaElement1dGoo)
                        {
                            GsaElement1d gsaelem1 = new GsaElement1d();
                            gh_typ.CastTo(ref gsaelem1);
                            in_elem1ds.Add(gsaelem1.Duplicate());
                        }
                        else if (gh_typ.Value is GsaElement2dGoo)
                        {
                            GsaElement2d gsaelem2 = new GsaElement2d();
                            gh_typ.CastTo(ref gsaelem2);
                            in_elem2ds.Add(gsaelem2.Duplicate());
                        }
                        else if (gh_typ.Value is GsaElement3dGoo)
                        {
                            GsaElement3d gsaelem3 = new GsaElement3d();
                            gh_typ.CastTo(ref gsaelem3);
                            in_elem3ds.Add(gsaelem3.Duplicate());
                        }
                        else if (gh_typ.Value is GsaMember1dGoo)
                        {
                            GsaMember1d gsamem1 = new GsaMember1d();
                            gh_typ.CastTo(ref gsamem1);
                            in_mem1ds.Add(gsamem1.Duplicate());
                        }
                        else if (gh_typ.Value is GsaMember2dGoo)
                        {
                            GsaMember2d gsamem2 = new GsaMember2d();
                            gh_typ.CastTo(ref gsamem2);
                            in_mem2ds.Add(gsamem2.Duplicate());
                        }
                        else if (gh_typ.Value is GsaMember3dGoo)
                        {
                            GsaMember3d gsamem3 = new GsaMember3d();
                            gh_typ.CastTo(ref gsamem3);
                            in_mem3ds.Add(gsamem3.Duplicate());
                        }
                        else
                        {
                            string type = gh_typ.Value.GetType().ToString();
                            type = type.Replace("GhSA.Parameters.", "");
                            type = type.Replace("Goo", "");
                            Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert Geometry input parameter of type " +
                                                           type + System.Environment.NewLine + " to Node, Element1D, Element2D, Element3D, Member1D, Member2D or Member3D");
                            return;
                        }
                    }
                    if (in_nodes.Count > 0)
                    {
                        Nodes = in_nodes;
                    }
                    if (in_elem1ds.Count > 0)
                    {
                        Elem1ds = in_elem1ds;
                    }
                    if (in_elem2ds.Count > 0)
                    {
                        Elem2ds = in_elem2ds;
                    }
                    if (in_elem3ds.Count > 0)
                    {
                        Elem3ds = in_elem3ds;
                    }
                    if (in_mem1ds.Count > 0)
                    {
                        Mem1ds = in_mem1ds;
                    }
                    if (in_mem2ds.Count > 0)
                    {
                        Mem2ds = in_mem2ds;
                    }
                    if (in_mem3ds.Count > 0)
                    {
                        Mem3ds = in_mem3ds;
                    }
                }


                // Get Loads input
                gh_types = new List <GH_ObjectWrapper>();
                if (DA.GetDataList(3, gh_types))
                {
                    List <GsaLoad>             in_loads = new List <GsaLoad>();
                    List <GsaGridPlaneSurface> in_gps   = new List <GsaGridPlaneSurface>();
                    for (int i = 0; i < gh_types.Count; i++)
                    {
                        if (gh_types[i] == null)
                        {
                            return;
                        }
                        GH_ObjectWrapper gh_typ = gh_types[i];
                        if (gh_typ.Value is GsaLoadGoo)
                        {
                            GsaLoad gsaload = null;
                            gh_typ.CastTo(ref gsaload);
                            in_loads.Add(gsaload.Duplicate());
                        }
                        else if (gh_typ.Value is GsaGridPlaneSurfaceGoo)
                        {
                            GsaGridPlaneSurface gsaGPS = new GsaGridPlaneSurface();
                            gh_typ.CastTo(ref gsaGPS);
                            in_gps.Add(gsaGPS.Duplicate());
                        }
                        else
                        {
                            string type = gh_typ.Value.GetType().ToString();
                            type = type.Replace("GhSA.Parameters.", "");
                            type = type.Replace("Goo", "");
                            Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert Load input parameter of type " +
                                                           type + " to Load or GridPlaneSurface");
                            return;
                        }
                    }
                    if (in_loads.Count > 0)
                    {
                        Loads = in_loads;
                    }
                    if (in_gps.Count > 0)
                    {
                        GridPlaneSurfaces = in_gps;
                    }
                }

                #endregion

                // manually add a warning if no input is set, as all inputs are optional
                if (Models == null & Nodes == null & Elem1ds == null & Elem2ds == null &
                    Mem1ds == null & Mem2ds == null & Mem3ds == null & Sections == null
                    & Prop2Ds == null & Loads == null & GridPlaneSurfaces == null)
                {
                    hasInput = false;
                    Params.Owner.AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Input parameters failed to collect data");
                    return;
                }
                else
                {
                    hasInput = true;
                }
            }
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            GsaElement3d gsaElement3d = new GsaElement3d();

            if (DA.GetData(0, ref gsaElement3d))
            {
                if (gsaElement3d == null)
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Element3D input is null");
                }
                GsaElement3d elem = gsaElement3d.Duplicate();

                // #### inputs ####

                // no good way of updating location of mesh on the fly //
                // suggest users re-create from scratch //

                // 1 ID
                List <GH_Integer> ghID   = new List <GH_Integer>();
                List <int>        in_ids = new List <int>();
                if (DA.GetDataList(1, ghID))
                {
                    for (int i = 0; i < ghID.Count; i++)
                    {
                        if (i > elem.Elements.Count)
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "ID input List Length is longer than number of elements." + System.Environment.NewLine + "Excess ID's have been ignored");
                            continue;
                        }
                        if (GH_Convert.ToInt32(ghID[i], out int id, GH_Conversion.Both))
                        {
                            if (in_ids.Contains(id))
                            {
                                if (id > 0)
                                {
                                    AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "ID input(" + i + ") = " + id + " already exist in your input list." + System.Environment.NewLine + "You must provide a list of unique IDs, or set ID = 0 if you want to let GSA handle the numbering");
                                    continue;
                                }
                            }
                            in_ids.Add(id);
                        }
                    }
                }


                List <GH_ObjectWrapper> gh_types = new List <GH_ObjectWrapper>();

                // 2 section
                //List<GsaProp2d> in_prop2Ds = new List<GsaProp2d>();
                //if (DA.GetDataList(2, gh_types))
                //{
                //    for (int i = 0; i< gh_types.Count; i++)
                //    {
                //        if (i > elem.Elements.Count)
                //            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "PA input List Length is longer than number of elements." + System.Environment.NewLine + "Excess PA's have been ignored");
                //        GH_ObjectWrapper gh_typ = gh_types[i];
                //        GsaProp2d prop2d = new GsaProp2d();
                //        if (gh_typ.Value is GsaProp2dGoo)
                //        {
                //            gh_typ.CastTo(ref prop2d);
                //            in_prop2Ds.Add(prop2d);
                //            elem.Elements[i].Property = 0;
                //        }
                //        else
                //        {
                //            if (GH_Convert.ToInt32(gh_typ.Value, out int idd, GH_Conversion.Both))
                //            {
                //                elem.Elements[i].Property = idd;
                //                elem.Properties[i] = null;
                //            }
                //            else
                //            {
                //                AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Unable to convert PA input to a 2D Property of reference integer");
                //                return;
                //            }
                //        }
                //    }
                //}

                // 3 Group
                List <GH_Integer> ghgrp     = new List <GH_Integer>();
                List <int>        in_groups = new List <int>();
                if (DA.GetDataList(3, ghgrp))
                {
                    for (int i = 0; i < ghgrp.Count; i++)
                    {
                        if (i > elem.Elements.Count)
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Group input List Length is longer than number of elements." + System.Environment.NewLine + "Excess Group numbers have been ignored");
                            continue;
                        }
                        if (GH_Convert.ToInt32(ghgrp[i], out int grp, GH_Conversion.Both))
                        {
                            in_groups.Add(grp);
                        }
                    }
                }


                // 4 name
                List <GH_String> ghnm     = new List <GH_String>();
                List <string>    in_names = new List <string>();
                if (DA.GetDataList(4, ghnm))
                {
                    for (int i = 0; i < ghnm.Count; i++)
                    {
                        if (i > elem.Elements.Count)
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Name input List Length is longer than number of elements." + System.Environment.NewLine + "Excess Names have been ignored");
                            continue;
                        }
                        if (GH_Convert.ToString(ghnm[i], out string name, GH_Conversion.Both))
                        {
                            in_names.Add(name);
                        }
                    }
                }


                // 5 Colour
                List <GH_Colour>            ghcol      = new List <GH_Colour>();
                List <System.Drawing.Color> in_colours = new List <System.Drawing.Color>();
                if (DA.GetDataList(5, ghcol))
                {
                    for (int i = 0; i < ghcol.Count; i++)
                    {
                        if (i > elem.Elements.Count)
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Colour input List Length is longer than number of elements." + System.Environment.NewLine + "Excess Colours have been ignored");
                            continue;
                        }
                        if (GH_Convert.ToColor(ghcol[i], out System.Drawing.Color col, GH_Conversion.Both))
                        {
                            in_colours.Add(col);
                        }
                    }
                }

                // 6 Dummy
                List <GH_Boolean> ghdum      = new List <GH_Boolean>();
                List <bool>       in_dummies = new List <bool>();
                if (DA.GetDataList(6, ghdum))
                {
                    for (int i = 0; i < ghdum.Count; i++)
                    {
                        if (i > elem.Elements.Count)
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Dummy input List Length is longer than number of elements." + System.Environment.NewLine + "Excess Dummy booleans have been ignored");
                            continue;
                        }
                        if (GH_Convert.ToBoolean(ghdum[i], out bool dum, GH_Conversion.Both))
                        {
                            in_dummies.Add(dum);
                        }
                    }
                }


                // loop through all elements and set collected lists.
                // handle too short or too long input lists here
                // for short lists copy last item
                for (int i = 0; i < elem.Elements.Count; i++)
                {
                    //if (in_prop2Ds.Count > 0)
                    //{
                    //    if (i < in_prop2Ds.Count)
                    //        elem.Properties[i] = in_prop2Ds[i];
                    //    else
                    //        elem.Properties[i] = in_prop2Ds[in_prop2Ds.Count - 1];
                    //}

                    if (in_ids.Count > 0)
                    {
                        if (i < in_ids.Count)
                        {
                            elem.ID[i] = in_ids[i];
                        }
                        else
                        {
                            elem.ID[i] = 0; // do not set ID (element number) as it must be unique
                        }
                    }
                    if (in_names.Count > 0)
                    {
                        if (i < in_names.Count)
                        {
                            elem.Elements[i].Name = in_names[i];
                        }
                        else
                        {
                            elem.Elements[i].Name = in_names[in_names.Count - 1];
                        }
                    }
                    if (in_groups.Count > 0)
                    {
                        if (i < in_groups.Count)
                        {
                            elem.Elements[i].Group = in_groups[i];
                        }
                        else
                        {
                            elem.Elements[i].Group = in_groups[in_groups.Count - 1];
                        }
                    }
                    if (in_colours.Count > 0)
                    {
                        if (i < in_colours.Count)
                        {
                            elem.Elements[i].Colour = in_colours[i];
                        }
                        else
                        {
                            elem.Elements[i].Colour = in_colours[in_colours.Count - 1];
                        }
                    }
                    if (in_dummies.Count > 0)
                    {
                        if (i < in_dummies.Count)
                        {
                            elem.Elements[i].IsDummy = in_dummies[i];
                        }
                        else
                        {
                            elem.Elements[i].IsDummy = in_dummies[in_dummies.Count - 1];
                        }
                    }
                }

                // convert mesh to output meshes
                List <Mesh> out_meshes = new List <Mesh>();
                Mesh        x          = elem.NgonMesh;


                List <MeshNgon> ngons = x.GetNgonAndFacesEnumerable().ToList();

                for (int i = 0; i < ngons.Count; i++)
                {
                    Mesh m = new Mesh();
                    m.Vertices.AddVertices(x.Vertices.ToList());
                    List <int> faceindex = ngons[i].FaceIndexList().Select(u => (int)u).ToList();
                    for (int j = 0; j < faceindex.Count; j++)
                    {
                        m.Faces.AddFace(x.Faces[faceindex[j]]);
                    }
                    m.Vertices.CullUnused();
                    m.RebuildNormals();
                    out_meshes.Add(m);
                }


                // #### outputs ####

                DA.SetData(0, new GsaElement3dGoo(elem));
                DA.SetDataList(1, elem.ID);
                DA.SetDataList(2, out_meshes);

                List <GsaOffset>            out_offsets = new List <GsaOffset>();
                List <string>               type        = new List <string>();
                List <string>               out_names   = new List <string>();
                List <int>                  out_groups  = new List <int>();
                List <System.Drawing.Color> out_colours = new List <System.Drawing.Color>();
                List <int>                  pmems       = new List <int>();
                List <bool>                 out_dummies = new List <bool>();
                for (int i = 0; i < elem.Elements.Count; i++)
                {
                    GsaOffset offset1 = new GsaOffset
                    {
                        Z = elem.Elements[i].Offset.Z
                    };
                    out_offsets.Add(offset1);
                    type.Add(elem.Elements[i].TypeAsString());
                    out_names.Add(elem.Elements[i].Name);
                    out_groups.Add(elem.Elements[i].Group);
                    out_colours.Add((System.Drawing.Color)elem.Elements[i].Colour);
                    out_dummies.Add(elem.Elements[i].IsDummy);
                    try { pmems.Add(elem.Elements[i].ParentMember.Member); } catch (Exception) { pmems.Add(0); }
                    ;
                }
                //DA.SetDataList(3, elem.Properties);
                DA.SetDataList(4, out_groups);
                DA.SetDataList(5, type);
                DA.SetDataList(6, out_names);
                DA.SetDataList(7, out_colours);
                DA.SetDataList(8, out_dummies);
                DA.SetDataList(9, pmems);
            }
        }