[otrs] How to generate graphical report by command line?

Hi all, How to generate graphical report, e.g. lines-points chart by command line? I tried mkStats.pl and it only support CSV and PDF format per its usage shown below and can NOT generate graphical report, e.g. lines-points chart. usage: mkStats.pl -n <StatNumber> [-p ] [-o <DIRECTORY>] [-r <RECIPIENT> -s <SENDER>] [-m <MESSAGE>] [-l <LANGUAGE>] [-f CSV|Print] Thank you! -- Best regards, Edmond Chan