PL HI - Plot Histogram - from Doc file

PURPOSE

Creates Postscript occurance frequency histogram from a SPIDER doc file.   Example.

SEE ALSO

PL	[Plot Document file data into Postscript file]
PL FIT	[Fit Polynomial to Document file data]

USAGE

.OPERATION: PL HI

.DOC FILE: sizedoc
[Enter input file name.]

.FIRST & LAST KEY NUMBERS: 1, 50
[Enter first, last key to be used.]

.REGISTER (COLUMN) IN DOC. FILE USED FOR HISTOGRAM: 2
[Enter column # for histogram, (0 makes histgram of keys).]

.STARTING X VALUE, INTERVAL: -180, 10
[The interval is the bin size for the histogram. The values given on this page ]

.ENDING X VALUE: 180
[The end for the histogram. The values -180, 20, 180 would give a histogram of occurance of frequency of values in the range from -180 to 180 with bin size of 10.]

.POSTSCRIPT OUTPUT FILE: PLT001
[Enter output file name. The output file will have a .ps extension unless specified otherwise.]

Lists bounds on Y axis of plot.

.NEW LOWER, UPPER Y AXIS BOUNDS OR <CR>:
[Can change Y axis bounds. To keep default enter <return>.]

Lists bounds on X axis of plot.

.NEW LOWER, UPPER X AXIS BOUNDS OR <CR>:
[Can change X axis bounds. To keep default enter <return>.]

.NEW AXIS LABEL UNIT AND TICKS / LABEL OR <CR> :
[Can change Y axis label unit or keep default]

Y axis label units listed.

.LABEL NO. TO EDIT. USE 0 FOR LABEL: 1
-1 TO RELIST ALL LABELS, OR <CR> TO CONTINUE: <CR>
[Can change X axis label unit or keep default.]

.NEW AXIS LABEL UNIT AND TICKS / LABEL OR <CR> :

X axis label units listed.

.LABEL NO. TO EDIT. USE 0 FOR LABEL: 1
-1 TO RELIST ALL LABELS, OR <CR> TO CONTINUE: <CR>
[Can change X axis label unit or keep default.]

SUBROUTINES

DCHIST, GETDOCDAT, OPAUXFILE, POSAXIS

CALLER

PLOT1