Usage Example - Operation: 'BP CG 3'

Back Projection - 3D, Iterative, sampled, Conjugate gradients

Procedure used: bpcg3.spi

.OPERATION: BP CG 3 ;   Reconstruct volume
.TEMPLATE FOR IMAGE FILES: sav_pj_ax@** ;   Projection files
.FILE NUMBERS OR SELECTION DOC. FILE NAME: 1-20 ;   List of images
.RADIUS OF RESTORED OBJECT: ;   Radius
.ANGLES DOC FILE: sav_bp_ang_doc;   Projection angles doc file
.LINEAR OR FBS INTERPOLATION (L,F): * ;   No symmetries
.RECONSTRUCTED VOLUME FILE: bpcg ;   Output volume
.FIRST SAMPLE VOLUME: bpcg_1 ;   Output volume - subset 1
.SECOND SAMPLE VOLUME: bpcg_2 ;   Output volume - subset 2
.ERROR LIMIT, CHI^2 LIMIT: 1.0E-4, 0.0 ;   Lambda, correction limit
.ITERATION LIMIT, MODE: 20, 1 ;   20 iterations, mode type
.LAMBDA: 2000 ;   Min & max


Input Images
(20 Images)
Input Angles doc file
; tst/tst 14-JAN-2013AT 6:21:21 sav_bp_ang_doc.dat
; KEY PHI, THETA, PSI
1 3 0.0000 0.0000    0.0000
2 3 0.0000 2.0000    0.0000
3 3 0.0000 2.0000    71.980
4 3 0.0000 2.0000    143.96
5 3 0.0000 2.0000    215.94
6 3 0.0000 2.0000    287.92
7 3 0.0000 4.0000    0.0000
8 3 0.0000 4.0000    32.718
9 3 0.0000 4.0000    65.436
10 3 0.0000 4.0000    98.155
11 3 0.0000 4.0000    130.87
12 3 0.0000 4.0000    163.59
13 3 0.0000 4.0000    196.31
14 3 0.0000 4.0000    229.03
15 3 0.0000 4.0000    261.75
16 3 0.0000 4.0000    294.46
17 3 0.0000 4.0000    327.18
18 3 0.0000 6.0000    0.0000
19 3 0.0000 6.0000    21.171
20 3 0.0000 6.0000    42.341
Output volume - Subset 1
(Surface view)
Output volume - Subset 2
(Surface view)
Output volume - Overall
(Surface view)