submaps contain hierarchy structure overview

service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java

@@ -537,7 +537,7 @@ public class ProjectService implements IProjectService {
     }
     updateProjectStatus(originalModel.getProject(), ProjectStatus.GENERATING_IMAGES, 0, params);
 
-    List<Model> models = new ArrayList<Model>();
+    List<Model> models = new ArrayList<>();
     models.add(originalModel);
     int size = originalModel.getLayouts().size();
     for (ModelSubmodelConnection connection : originalModel.getSubmodelConnections()) {
@@ -558,7 +558,6 @@ public class ProjectService implements IProjectService {
                   IProgressUpdater.MAX_PROGRESS * imgCounter / finalSize + progress / finalSize, params);
             }
           };
-
           generateImagesForBuiltInOverlay(params, model, layout, updater);
         }
         counter++;
@@ -578,7 +577,6 @@ public class ProjectService implements IProjectService {
       output = new CopyCommand(model).execute();
       new ClearColorModelCommand(output).execute();
     }
-
     MapGeneratorParams imgParams = generator.new MapGeneratorParams().directory(directory).sbgn(params.isSbgnFormat())
         .nested(layout.isHierarchicalView()).updater(updater);
     imgParams.model(output);
@@ -911,6 +909,10 @@ public class ProjectService implements IProjectService {
           if (!params.isSemanticZoom()) {
             new CreateHierarchyCommand(originalModel, generator.computeZoomLevels(originalModel),
                 generator.computeZoomFactor(originalModel)).execute();
+            for (Model model : originalModel.getSubmodels()) {
+              new CreateHierarchyCommand(model, generator.computeZoomLevels(model), generator.computeZoomFactor(model))
+                  .execute();
+            }
           }
 
           addUsers(project, params);