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template_sino=my_DSTE_3D_rd3_template.hs |
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cat > my_input.txt <<EOF |
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Discovery STE |
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1 |
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n |
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0 |
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2 |
create a DSTE with span=2 (as default for GE scanners) with max_ring_diff=2. This results in
matrix axis label [4] := segment
!matrix size [4] := 3
matrix axis label [2] := axial coordinate
!matrix size [2] := { 43,47,43}
minimum ring difference per segment := { -2,-1,2}
maximum ring difference per segment := { -2,1,2}
However, the scanner has 24 rings, so the first and last number of axial coordinates are too large. (They are appropriate for max_rd=3 I guess), and in fact should be even, resulting in a warning of a half-ring shift in the m coordinate.
This is probably an old bug, but I spotted the warning about the shift when debugging FBP3DRP in #1464
STIR/recon_test_pack/simulate_PET_data_for_tests.sh
Lines 81 to 89 in 7b1854b
create a DSTE with span=2 (as default for GE scanners) with max_ring_diff=2. This results in
However, the scanner has 24 rings, so the first and last number of axial coordinates are too large. (They are appropriate for max_rd=3 I guess), and in fact should be even, resulting in a warning of a half-ring shift in the
mcoordinate.This is probably an old bug, but I spotted the warning about the shift when debugging
FBP3DRPin #1464