+ DataFile::BasicLoader<Catalogue>(c)
+{
+ add("ballast_profile", &Loader::ballast_profile);
+ add("gauge", &Loader::gauge);
+ add("layout", &Loader::layout);
+ add("rail_profile", &Loader::rail_profile);
+ add("scale", &Loader::scale);
+ add("track", static_cast<void (Loader::*)(unsigned)>(&Loader::track));
+ add("track", static_cast<void (Loader::*)(ArticleNumber)>(&Loader::track));
+ add("vehicle", static_cast<void (Loader::*)(unsigned)>(&Loader::vehicle));
+ add("vehicle", static_cast<void (Loader::*)(ArticleNumber)>(&Loader::vehicle));
+}
+
+void Catalogue::Loader::ballast_profile()
+{
+ load_sub(obj.ballast_profile);
+}
+
+void Catalogue::Loader::gauge(float g)
+{
+ obj.gauge = g/1000;
+ obj.path_profile = Profile();
+ obj.path_profile.append_point(Point(0.1*obj.gauge, 0));
+ obj.path_profile.append_point(Point(-0.1*obj.gauge, 0));
+}
+
+void Catalogue::Loader::layout()
+{
+ load_sub(obj.layout);
+}
+
+void Catalogue::Loader::rail_profile()
+{
+ load_sub(obj.rail_profile);
+}
+
+void Catalogue::Loader::scale(float n, float d)
+{
+ obj.scale = n/d;
+}
+
+void Catalogue::Loader::track(unsigned art_nr)
+{
+ track(ArticleNumber(art_nr));
+}
+
+void Catalogue::Loader::track(ArticleNumber art_nr)
+{
+ if(obj.tracks.count(art_nr))
+ throw KeyError("Duplicate track type", art_nr.str());
+
+ RefPtr<TrackType> trk = new TrackType(art_nr);
+ load_sub(*trk);
+ obj.add_track(*trk.release());
+}
+
+void Catalogue::Loader::vehicle(unsigned art_nr)