change visualization

src/cb_DIRC.cpp

@@ -26,7 +26,7 @@ static Ref_t createDetector(Detector& desc, xml_h e, SensitiveDetector sens)
   Material Vacuum = desc.material("Vacuum");
   Tube     cb_DIRC_Barrel_GVol_Solid(RIn, ROut, SizeZ / 2.0, 0., 360.0 * deg);
   Volume   detVol("cb_DIRC_GVol_Solid_Logic", cb_DIRC_Barrel_GVol_Solid, Vacuum);
-  detVol.setVisAttributes(desc.visAttributes(x_det.visStr()));
+  detVol.setVisAttributes(desc.invisible());
 
   DetElement   det(detName, detID);
   Volume       motherVol = desc.pickMotherVolume(det);