WI B - Window image - use specified Background

PURPOSE

Cut out a window image/volume from a specified image/volume file. Fill any borders from outside original image boundary with specified background value.

SEE ALSO

WI	[Window image]

USAGE

.OPERATION: WI B

.INPUT FILE: PIC001
[Enter the name of the imag/volume file that is to be windowed.]

.OUTPUT FILE: WIN001
[Enter the name of the file where the window is to be kept.]

.ENTER DIMENSIONS (NX, NY, NZ): 64,64
[Enter the size of the window.]

.TOP LEFT COORDINATES: 1,1
[Enter the upper left coordinates of PIC001 where the window image/volume is to start.]

.BACKGROUND: 1.1
[Value given to pixels/voxels of window that were outside boundaries of original image.]

[Here file: WIN001 will contain a window of PIC001 of size 64x64 positioned in the upper left corner of PIC001.]

EXAMPLE Usage

NOTES

1. Remember that in SPIDER 1,1 is the origin of an image.

2. This operation handles windows that go outside of the original image correctly.

SUBROUTINES

WINDOW

CALLER

UTIL2