There are 2 hierarchy available for collections (showing the whole hierarchy or only the parent datasets):
To enable the location hierarchy, either in the custom settings (in the menu choose
and then in the tab set the option or in the collection window click on the in the top.By default the hierarchy according to the administration is displayed (see example below).
The location nodes in the tree indicate that these nodes have a location parent, different from the administration parent. To change to the hierarchy according to the location select the option underneath the hierarchy (see below).
To set resp. remove a parent location a floor plan click on the resp. button. With the button a window will open where you can choose the parent location for the current dataset.