hide 3D view for Percus-Yevick

GUI/View/SampleView/RealspaceBuilder.cpp

@@ -61,6 +61,10 @@ std::vector<std::vector<double>> generatePositions(IInterference* const iff, dou
     if (auto* p = dynamic_cast<InterferenceRadialParacrystal*>(iff))
         return RadialParacrystalPositionBuilder(p).generatePositions(layerSize, density);
 
+    // TODO https://jugit.fz-juelich.de/mlz/bornagain/-/issues/538
+    if (dynamic_cast<InterferenceHardDisk*>(iff))
+        throw std::runtime_error("Percus-Yevick model 3D vizualization is not implemented yet");
+
     ASSERT(false);
 }