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Re: AGATA Crystal positions (Look-Up Table) [message #18019 is a reply to message #18008] Thu, 19 March 2015 14:46 Go to previous messageGo to previous message
thuyuk is currently offline  thuyuk
Messages: 68
Registered: July 2014
continuous participant

From: 84.79.220*
Dear all,

If we compare the coordinates of the first several crystals in both cases:

Lookup table inside the GW:
0 0 48.08390 31.04885 -227.95092
1 0.45352 0.86888 0.19842
2 0.86889 -0.48060 0.11858
3 0.19839 0.11862 -0.97292
1 0 40.86042 88.71803 -213.76361
1 0.64447 -0.74500 0.17214
2 -0.73906 -0.54919 0.39011
3 -0.19610 -0.37863 -0.90454
2 0 96.65970 58.36943 -206.11951
1 -0.90585 -0.01692 0.42326
2 0.09899 0.96308 0.25036
3 -0.41187 0.26869 -0.87073
3 0 -14.67047 55.32513 -227.95092
1 -0.68622 0.72558 -0.05146
2 0.69982 0.67784 0.22535
3 0.19839 0.11862 -0.97292
4 0 -71.74929 66.27595 -213.76361
1 0.90204 0.29209 -0.31782
2 0.38454 -0.87825 0.28426
3 -0.19610 -0.37863 -0.90454
5 0 -25.64313 109.96598 -206.11951
1 -0.37407 -0.92117 -0.10731
2 -0.83092 0.28151 0.47991
3 -0.41187 0.26869 -0.87073
6 0 -57.15075 3.14396 -227.95092
1 -0.87762 -0.42045 -0.23022
2 -0.43637 0.89953 0.02069
3 0.19839 0.11862 -0.97292

Lookup table insdie the prespec an. pack.:
0 0 41.34692 39.57936 227.95091
1 0.95033 -0.26615 0.16133
2 0.23981 0.95660 0.16553
3 -0.19839 -0.11862 0.97292
1 0 95.77207 19.18782 213.76361
1 -0.56958 -0.70689 0.41938
2 0.79820 -0.59745 0.07704
3 0.19610 0.37863 0.90454
2 0 79.18105 80.50124 206.11951
1 -0.11363 0.93294 0.34164
2 -0.90413 -0.23965 0.35372
3 0.41187 -0.26869 0.87073
3 0 -24.86530 51.55395 227.95091
1 0.06560 -0.99203 -0.10758
2 0.97793 0.04248 0.20459
3 -0.19839 -0.11862 0.97292
4 0 11.34650 97.01402 213.76361
1 -0.93514 0.34976 0.05632
2 -0.29505 -0.85692 0.42266
3 0.19610 0.37863 0.90454
5 0 -52.09293 100.18191 206.11951
1 0.82476 0.51622 -0.23084
2 -0.38746 0.81322 0.43422
3 0.41187 -0.26869 0.87073
6 0 -56.71452 -7.71727 227.95091
1 -0.90979 -0.34695 -0.22782
2 0.36458 -0.93035 -0.03909
3 -0.19839 -0.11862 0.97292


First of all, it is not clear for me what would the "small" coordinates mean, in other words, the coordinates with the id "0" make sense, but the ids "1, 2 and 3" are not obvious for me.

Well, if we compare the coordinates with id 0, then we immediately see that the z coordinates are swapped from -z to +z, from the GW to the prespec code, respectively. But, the transformation on x and y seem totally confusing. Damian, did you find out by yourself the transformation, or you were told by somebody else?

Does anybody know if the crystal numbering was changed from Legnaro to GSI? This information is required to focus on comparing crystal by crystal without worrying if also the crystals were scrambled.


edit:
sorry for the bad view of the coordinates, the tabs are not shown properly in the html, I guess.
I uploaded two file, so you can compare them with your favorite viewer.
So, the one with suffix __gw is from the GW, and the __orig is the one inside the prespec code.

[Updated on: Thu, 19 March 2015 14:51]

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