public void factoryReset()
 {
     EditorPrefs.DeleteKey("PiXYZ.Orient");
     EditorPrefs.DeleteKey("PiXYZ.MapUV");
     EditorPrefs.DeleteKey("PiXYZ.MapUV3dSize");
     EditorPrefs.DeleteKey("PiXYZ.ScaleFactor");
     EditorPrefs.DeleteKey("PiXYZ.IsRightHanded");
     EditorPrefs.DeleteKey("PiXYZ.IsZUp");
     EditorPrefs.DeleteKey("PiXYZ.TreeProcess");
     EditorPrefs.DeleteKey("PiXYZ.LODCurrentIndex");
     EditorPrefs.DeleteKey("PiXYZ.LODSettingCount");
     EditorPrefs.DeleteKey("PiXYZ.UseLods");
     EditorPrefs.DeleteKey("PiXYZ.LODsMode");
     lodSettings = new List <PiXYZLODSettings>();
     EditorPrefs.DeleteKey("PiXYZ.SplitTo16BytesIndex");
     EditorPrefs.DeleteKey("PiXYZ.UseMergeFinalAssemblies");
     EditorPrefs.DeleteKey("PiXYZ.ShowPopupLods");
     EditorPrefs.DeleteKey("PiXYZ.AutoUpdate");
     EditorPrefs.SetBool("PiXYZ.ShowPopupLods", true);
     EditorPrefs.SetBool("PiXYZ.AutoUpdate", true);
     EditorPrefs.SetBool("PiXYZ.DoNotShowAgainDocumentationPopup", false);
     PiXYZLoDSettingsEditor.factoryReset();
     getEditorPref();
 }