<div dir="ltr"><div>A couple links that will answer some questions (#2 is the "missing link"):</div><div><br></div><div><a href="https://gitlab.kitware.com/vtk/vtk/merge_requests/1155" target="_blank">https://gitlab.kitware.com/vtk/vtk/merge_requests/1155</a><br></div><div><a href="https://gitlab.kitware.com/vtk/vtk/merge_requests/1090" target="_blank">https://gitlab.kitware.com/vtk/vtk/merge_requests/1090</a><br></div><div><br></div><div> - David</div></div>