/// <summary> /// This is the method that actually does the work. /// </summary> /// <param name="DA">The DA object can be used to retrieve data from input parameters and /// to store data in output parameters.</param> protected override void SolveInstance(IGH_DataAccess DA) { IntPtr topoData = IntPtr.Zero; Mesh refMesh = new Mesh(); if (!DA.GetData(0, ref topoData)) { return; } if (!DA.GetData(1, ref refMesh)) { return; } CMesh crefMesh = new CMesh(); String errorMessage = ""; if (TopoCreator.RhinoMeshToCMesh(refMesh, ref crefMesh, true, out errorMessage)) { TopoCreator.setReferenceSurface(ref crefMesh, topoData); } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Error, errorMessage); return; } Marshal.FreeHGlobal(crefMesh.points); Marshal.FreeHGlobal(crefMesh.faces); DA.SetData(0, topoData); }