ST H - Set values in image/volume Header by name

(11/13/19)

PURPOSE

Alter any named position in standard SPIDER or MRC image/volume file header.   Example.

SEE ALSO

ST [Set values in data file header]
FI H [File Information - Retrieve file Header values by name]
LI T [List image values - on terminal]

USAGE

.OPERATION: ST H

.SET HEADER VALUES IN FILE: PIC001
[Enter name of the SPIDER or MRC file whose header will be altered.]

.HEADER VARIABLE(S): PIXSIZ, AV
[Enter names of standard SPIDER or MRC file header variables you wish to alter. Here: value of PIXSIZ (SPIDER file header location: 38) and value of: AV (SPIDER file header location: 9) will be altered.]

.VALUE(S): 99, 33
[Enter values for the standard header variables specified above. Here: value of PIXSIZ (SPIDER file header location: 38) will be set to: 99.0 and the value of: AV (SPIDER file header location: 9) will be set to: 33. ]

NOTES

  1. Randomly altering positions in a file header may make the file unreadable.

  2. SPIDER file header locations that can be set.

  3. MRC file header locations that can be set.

SUBROUTINES

SETHEAD, RDPRA, SETLAB

CALLER

UTIL1

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