Support new-style archive json files

NOMADVRLib/ConfigFile.cpp

@@ -726,6 +726,7 @@ int loadConfigFile(const char * f)
 				menubutton = Infobox;
 			else if (!strcmp (s, "Nothing"))
 				menubutton = Nothing;
+			else eprintf ("Unknown menubutton parameter %s\n", s);
 		} else if (!strcmp (s, "movementspeed")) {
 			r=fscanf (F, "%f", &movementspeed);
 			if (r<1)

NOMADVRLib/atoms.cpp

@@ -632,10 +632,11 @@ int readAtomsAnalyticsJson(const char *const f, int **numatoms, int *timesteps,
 		for (rapidjson::SizeType i = 0; i < ss.Size(); i++) {
 			const rapidjson::GenericValue<rapidjson::UTF8<> > & el=ss[i];
 
-			if (!el.HasMember("lattice_vectors") || !el.HasMember("atom_positions")) 
+			if (!el.HasMember("lattice_vectors") && !el.HasMember("atom_positions")) 
 				continue;
 
-			if (currenttime==0) {// take the lattice vectors only once; verify they are real vectors
+			if (currenttime==0 && el.HasMember("lattice_vectors")) {
+				// take the lattice vectors only once; verify they are real vectors
 				const rapidjson::GenericValue<rapidjson::UTF8<> > &lv = el["lattice_vectors"];
 				const rapidjson::GenericValue<rapidjson::UTF8<> > &flatdata = lv["flatData"];
 				bool allzeros=true;
@@ -649,6 +650,8 @@ int readAtomsAnalyticsJson(const char *const f, int **numatoms, int *timesteps,
 					has_abc=true;
 			}
 
+			if (!el.HasMember("atom_positions")) 
+				continue;
 			const rapidjson::GenericValue<rapidjson::UTF8<> > &result = el["atom_positions"];
 			if (!result.HasMember("shape"))
 				return (-1);