protected override void RegisterInputParams(GH_Component.GH_InputParamManager pManager)
{
//change the param access thing to have individual items, list or tree etc
pManager.Register_MeshParam("mesh", "m", "Mesh to planarise");
pManager.Register_IntegerParam("metric", "D/N", " 0 = euclidian error metric, 1 = normal based error metric", 1);
pManager.Register_IntegerParam("numberOfPanels", "n", "number of planar panels required for output", 90);
pManager.Register_BooleanParam("run", "R", "run planarisation", false);
}