idealForDigiDtGeometryDB_cff.py

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import FWCore.ParameterSet.Config as cms

import Geometry.DTGeometryBuilder.dtGeometryDB_cfi
#
# This cff provides a DTGeometry with the label 'idealForDigi' that is for sure matching
# the ideal one and thus should be used in the digitisers.
#
idealForDigiDTGeometry = Geometry.DTGeometryBuilder.dtGeometryDB_cfi.DTGeometryESModule.clone()
# The es_module providing fake (i.e. empty) alignment constants:
from Alignment.CommonAlignmentProducer.fakeForIdealAlignmentProducer_cfi import *
# need to set to False, see below:
idealForDigiDTGeometry.applyAlignment = False
# Label of the produced DTGeometry:
idealForDigiDTGeometry.appendToDataLabel = 'idealForDigi'
# Alignments are looked for with this label:
idealForDigiDTGeometry.alignmentsLabel = 'fakeForIdeal'
# would need conversion to python
#es_source fakeDTAlignmentSource = EmptyESSource {
#    string recordName = "DTAlignmentRcd"
#    vuint32 firstValid = {1}
#    bool iovIsRunNotTime = true
#}
#es_source fakeDTAlignmentErrorSource = EmptyESSource {
#    string recordName = "DTAlignmentErrorExtendedRcd"
#    vuint32 firstValid = {1}
#    bool iovIsRunNotTime = true
#}


# Comments by GF:
# - In anticipation of the removal of the applyAlignment flag, I'd like to keep it true.
# - Then we would need to get IOVs for the fake alignments,
#   * either using FakeAlignmentSource instead of FakeAlignmentProducer in fakeForIdealAlignmentProducer.cfi
#   * or by using the commented IOV settings above.
# - But this causes problems in co-existence with e.g. GlobalTag: 
#   Both Globaltag as well as FakeAlignmentSource provide IOV - it is not distinguished to provide IOV for 
#   a given label only (e.g. 'fakeForIdeal' compared to '').
# - I'll try to contact framework people for CMSSW_2_2_0 and above.