fixed tortoize again

git-svn-id: svn+ssh://gitlab/srv/svn-repos/pdb-redo/trunk@512 a1961a4f-ab94-4bcc-80e8-33b5a54de466

src/Structure.cpp

@@ -1024,6 +1024,8 @@ float Monomer::chi(size_t nr) const
 {
 	float result = 0;
 
+	try
+	{
 		auto i = kChiAtomsMap.find(mCompoundID);
 		if (i != kChiAtomsMap.end() and nr < i->second.size())
 		{
@@ -1045,6 +1047,13 @@ float Monomer::chi(size_t nr) const
 				atomByID(atoms[nr + 3]).location()
 			);
 		}
+	}
+	catch(const std::exception& e)
+	{
+		if (cif::VERBOSE)
+			std::cerr << e.what() << std::endl;
+		result = 0;
+	}
 
 	return result;
 }