+----------------------------+ |CALL HCOPY (ID1,ID2,CHTITL) | +----------------------------+
Action: Generates histogram ID2 as a copy of ID1, apart from the title.
Input parameter(s)
+------------------------+ |CALL HRESET (ID,CHTITL) | +------------------------+
Action: Resets the contents of all channels of a histogram (and its projections) to zero and changes optionally the title.
Input parameter(s)
+------------------+ | CALL HDELET (ID) | +------------------+
Action: Deletes a histogram and releases the corresponding storage space.
Input parameter(s)
See section [more info] in the introductory chapter for a simple example of how to book, fill and print histograms.