ROI Tool selects Regions Of Interest and culculates a sum of their pixel intensities

Moreover, in configuration can be set if the sums of calculated ROIs should be sent to LavueController tango server.

After adding ROIs to sardana  the following environment variables are created or updated

The configuration of the tool can be set with a JSON dictionary passed in the  --tool-configuration  option in command line or a toolconfig variable of LavueController.LavueState with the following keys:

aliases (list of strings), rois_number (integer)


lavue -u roi --tool-configuration \{\"rois_number\":2,\"aliases\":[\"pilatus_roi1\",\"polatus_roi2\"]}