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Add CalibrateMaps function re #6764
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This one has an integer argument and works with a five-digit run number

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
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KarlPalmen committed Mar 26, 2013
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#
# TUBE CALIBRATION DEMONSTRATION PROGRAM FOR MAPS
#
# This is a simple example for running calibration for and calibration run of MAPS.

#
from mantid.api import WorkspaceFactory # For table worskspace of calibrations
from tube_calib_fit_params import * # To handle fit parameters
from ideal_tube import * # For ideal tube
from tube_calib import * # For tube calibration functions
from tube_spec import * # For tube specification class

def CalibrateMaps( RunNumber ):
'''
RunNumber is the five-digit run number.
'''

# == Set parameters for calibration ==

filename = 'MAPS'+str(RunNumber)+'.raw' # Name of calibration run
print "Filename",filename
rangeLower = 2000 # Integrate counts in each spectra from rangeLower to rangeUpper
rangeUpper = 10000 #


# Set initial parameters for peak finding
ExpectedHeight = -1000.0 # Expected Height of Peaks (initial value of fit parameter)
ExpectedWidth = 8.0 # Expected width of centre peak (initial value of fit parameter)
ExpectedPositions = [4.0, 85.0, 128.0, 165.0, 252.0] # Expected positions of the edges and peak (initial values of fit parameters)

# Set what we want to calibrate (e.g whole intrument or one door )
CalibratedComponent = 'MAPS' # Calibrate all


# Get calibration raw file and integrate it
rawCalibInstWS = Load(filename) #'raw' in 'rawCalibInstWS' means unintegrated.
print "Integrating Workspace"
CalibInstWS = Integration( rawCalibInstWS, RangeLower=rangeLower, RangeUpper=rangeUpper )
DeleteWorkspace(rawCalibInstWS)
print "Created workspace (CalibInstWS) with integrated data from run and instrument to calibrate"

# == Create Objects needed for calibration ==

#Create Calibration Table
calibrationTable = CreateEmptyTableWorkspace(OutputWorkspace="CalibTable")
calibrationTable.addColumn(type="int",name="Detector ID") # "Detector ID" column required by ApplyCalbration
calibrationTable.addColumn(type="V3D",name="Detector Position") # "Detector Position" column required by ApplyCalbration

# Specify component to calibrate
thisTubeSet = TubeSpec(CalibInstWS)
thisTubeSet.setTubeSpecByString(CalibratedComponent)

# Get ideal tube
iTube = IdealTube()
# Set positions of where the shadows and ends should be.
# An intelligent guess is used here that is not correct for all tubes.
iTube.setPositionsAndForm([-0.50,-0.16,-0.00, 0.16, 0.50 ],[2,1,1,1,2])

# Get fitting parameters
fitPar = TubeCalibFitParams( ExpectedPositions, ExpectedHeight, ExpectedWidth )

print "Created objects needed for calibration."

# == Get the calibration and put results into calibration table ==
# also put peaks into PeakFile
getCalibration( CalibInstWS, thisTubeSet, calibrationTable, fitPar, iTube )
print "Got calibration (new positions of detectors) "

# == Apply the Calibation ==
ApplyCalibration( Workspace=CalibInstWS, PositionTable=calibrationTable)
print "Applied calibration"


# == Save workspace ==
SaveNexusProcessed( CalibInstWS, 'TubeCalibDemoMapsResult.nxs',"Result of Running MAPS Calibration")
print "saved calibrated workspace (CalibInstWS) into Nexus file TubeCalibDemoMapsResult.nxs"

# ==== End of CalibrateMaps() ====

CalibrateMaps( 14919 )

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