X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=PHOS%2Fmacros%2FAlignmentDB%2FREADME;h=f6221d718334a89c66ce8c53becf97b66e99dbb0;hp=b637ffb9dc28167cb55f4aacdd4e13ec93dcce12;hb=b79eb35f80fca4a56e25dab92e9ff787d599d7ce;hpb=7acca7741f2b7aa12f544bd4240f915ba16df64e diff --git a/PHOS/macros/AlignmentDB/README b/PHOS/macros/AlignmentDB/README index b637ffb9dc2..f6221d71833 100644 --- a/PHOS/macros/AlignmentDB/README +++ b/PHOS/macros/AlignmentDB/README @@ -2,6 +2,18 @@ This directory contains a set of scripts related to PHOS alignment. +Method used in 2015: +1) using minuit minimization find PHOS alignment matrixes which produce correct position of repers in ALICE. + This is done with CheckPHOSAlignment.C macros. +2) with macros MakeFinalAlignment.C one first creates ideal PHOS rotation matrixes, + then calculates correct rotation matrixes and finally calculates offses. Rotation matrixes + created in reconstruction and stored in ESD file can be ptinted with PrintPHOSMatrix.C macros. + + + + + + The PHOS alignment object (AliPHOSAlignData) contans as data members 3 parameters: