Copy, Reset and Delete

[HCOREDEL]

                      +----------------------------+
                      |CALL  HCOPY (ID1,ID2,CHTITL) |
                      +----------------------------+
                                  

Action: Generates histogram ID2 as a copy of ID1, apart from the title.

Input parameter(s)

ID1
existing identifier
ID2
non existing identifier
CHTITL
new title. CHTITL=' ' means that the old title is kept.

                        +------------------------+
                        |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)

ID
identifier of a histogram. ID=0 resets all existing histogram contents.
CHTITL
new title. CHTITL=' ' means that the old title is kept.
                           +------------------+
                           | CALL  HDELET (ID) |
                           +------------------+
                                  

Action: Deletes a histogram and releases the corresponding storage space.

Input parameter(s)

ID
identifier of a histogram. ID=0 deletes all existing histograms.

See section [more info] in the introductory chapter for a simple example of how to book, fill and print histograms.