/// <summary>
 /// Registers all the input parameters for this component.
 /// </summary>
 protected override void RegisterInputParams(GH_Component.GH_InputParamManager pManager)
 {
     pManager.AddIntegerParameter("XResolution", "xres", "Subdivision on x-axis", GH_ParamAccess.item, 100);
     pManager.AddIntegerParameter("YResolution", "yres", "Subdivision on y-axis", GH_ParamAccess.item, 100);
     pManager.AddIntegerParameter("ZResolution", "zres", "Subdivision on z-axis", GH_ParamAccess.item, 100);
     pManager.AddBoxParameter("Box", "B", "Box", GH_ParamAccess.item);
     pManager.AddBrepParameter("Obstacles", "Obs", "A list of breps represent obstacles", GH_ParamAccess.list);
     pManager[4].Optional = true;
 }