Exporting presentation graphics for a cluster. An example of clustering with the known targets of molecules highlighted in different colors. This is enabled by selecting the icon on the top left and choosing the desired targets. Molecules from the collection are shown with a white circle, molecules from the app have a grey background and compounds of interest for clustering have a blue background. The cluster image can be expanded or contracted with a pinching motion on the screen. and molecules can be moved which causes the network clusters to reconfigure. The cluster image can be output and printed as a PDF. (a) the interactive display; (b) previewing the PDF file, prior to sending by email or printing.