By default, heatmaps are stored in the database so they can be retrieved from the webserver w/o any file permission or location problems. If your psychostats installation is run from another machine you must store heatmaps in the database.

Heatmaps will be saved in the directory specified, or if left blank they will be saved in the database.

<b>Recommendation:</b> If stats.pl is run on this web server then specify a directory that is accessible to the web server. Otherwise leave this blank.