Histogram definition

CALL HGIVE (ID,CHTITL*,NX*,XMI*,XMA*,NY*,YMI*,YMA*,NWT*,LOC*)

Action: Returns the booking parameters and address of a given histogram.

Input parameter:

ID

Histogram identifier, cannot be zero.

Output Parameters:

CHTITL

Histogram title (must be declared CHARACTER*80)

NX

Number of channels in X

XMI

Lower edge of first X channel

XMA

Upper edge of last X channel

NY

Number of channels in Y (zero for a 1-dimensional histogram)

YMI

Lower edge of first Y channel

YMA

Upper edge of last Y channel

NWT

Number of machine words for the title. If there is no title, NWT is returned as 0 .

LOC

Address of the histogram in the common /PAWC/.   

CALL HDUMP (ID)

Action: Prints a dump of the HBOOK storage area corresponding to a given histogram.

Input parameter:

ID

Histogram identifier.
ID=0 will dump the whole of the HBOOK central memory storage area.