Deletions from the list can be made if required. Every time list is invoked, the information is also written to the file FIX.OUT with the addition of automatically determined background values and integrated intensities if known. INTEgrate - integrates a range of items allowing either automatic background subtraction or a selected average pixel value to be used as backgound. If no points selected no background is subtracted. The background is determined automatically be averaging the pixel values along the perimeter of a polygon.
Points have zero background automatically.
REPEat - repeats the previous point and polygon collections for the next frame or file. If more than two frames have been collected, the program will shift the vertices of the polygons by the difference between the previous two centres of gravity for this polygon. In order to leave repeat mode, enter ctrl-D when prompted for a filename. The filename prompt will reappear but the program will no longer be in repeat mode. The data collected will be written to FIX.OUT when you leave repeat mode.