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BL - BLank

(6/24/96)

PURPOSE

Creates an image with a specified background.

SEE ALSO

MO [model image creation]
MO 3 [model volume creation]

USAGE

.OPERATION: BL

.OUTPUT FILE: H_IMG014
[Enter the name of the file for the output image.]

.ENTER DIMENSIONS (NSAM,NROW): 64,64
[Enter the dimensions of the output image.]

.AVERAGE? (Y/N): Y
[Enter whether the background should be taken as the average of another image, or should be entered by the user.]

If answer is "Y" - Yes. SPIDER then asks:

.REFERENCE FILE: PIC002
[Enter the name of the picture the average of which is to be used as the background.]

The output will now be a picture of size 64x64, and it will contain a background that is the average of the reference file image.

If answer is "N" - No. SPIDER then asks:

.BACKGROUND: 2.0
[Enter the desired background. In this case, the output image would be filled with pixels having the value 2.0.]

SUBROUTINES

BLANK

CALLER

UTIL2

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