Add function for WISH re #6764

This function needs a second argument to specify the panel to calibration, because each calibration run deals with only one panel.
Also the arguments are string rather than numbers.

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>

Code/Mantid/scripts/Calibration/Examples/TubeCalibDemoWish_Simple.py

@@ -0,0 +1,64 @@
+#
+# TUBE CALIBRATION DEMONSTRATION PROGRAM FOR WISH
+#
+# Here we run the calibration of WISH panel03 using a simple CalibrateWish function.
+#
+from mantid.api import WorkspaceFactory  # For table worskspace of calibrations
+from ideal_tube import * # for ideal tube
+from tube_calib_fit_params import * # To handle fit parameters
+from tube_calib import *  # For tube calibration functions
+from tube_spec import * # For tube specification class
+
+def CalibrateWish( RunNumber, PanelNumber ):
+   '''
+   RunNumber is the run number as a string and including any leading zeros that would occur in the raw file name.
+   PanelNumber is the two-digit number of the panel being calibrated
+   '''
+   # == Set parameters for calibration ==
+   filename = 'WISH'+RunNumber+".raw"
+   CalibratedComponent = 'WISH/panel'+PanelNumber
+
+
+   # Get calibration raw file and integrate it
+   print "Loading",filename 
+   rawCalibInstWS = Load(filename)  #'raw' in 'rawCalibInstWS' means unintegrated.
+   CalibInstWS = Integration( rawCalibInstWS, RangeLower=1, RangeUpper=20000 )
+   DeleteWorkspace(rawCalibInstWS)
+   print "Created workspace (CalibInstWS) with integrated data from run and instrument to calibrate" 
+
+   #Create Calibration Table
+   calibrationTable = CreateEmptyTableWorkspace(OutputWorkspace="CalibTable")
+   calibrationTable.addColumn(type="int",name="Detector ID")  # "Detector ID" column required by ApplyCalibration
+   calibrationTable.addColumn(type="V3D",name="Detector Position")  # "Detector Position" column required by ApplyCalibration
+
+   # Specify panel of WISH instrument
+   thisTubeSet = TubeSpec(CalibInstWS)
+   print "Calibrating",CalibratedComponent
+   thisTubeSet.setTubeSpecByString(CalibratedComponent)
+
+   # Give y-positions of slit points (gotten for converting first tube's slit point to Y)
+   iTube = IdealTube()
+   iTube.setArray([-0.41,-0.31,-0.21,-0.11,-0.02, 0.09, 0.18, 0.28, 0.39 ])
+
+   # Set fitting parameters
+   eP = [57.5, 107.0, 156.5, 206.0, 255.5, 305.0, 354.5, 404.0, 453.5]
+   fitPar = TubeCalibFitParams( eP, 2000, 32 )
+
+   print "Created objects needed for calibration."
+
+   # Get the calibration and put it into the calibration table
+   getCalibration( CalibInstWS, thisTubeSet, calibrationTable, fitPar, iTube)
+   print "Got calibration (new positions of detectors)"
+
+   #Apply the calibration
+   ApplyCalibration( Workspace=CalibInstWS, PositionTable=calibrationTable)
+   print "Applied calibration"
+
+   # == Save workspace ==
+   nexusName = "TubeCalibDemoWish"+PanelNumber+"Result.nxs"
+   SaveNexusProcessed( CalibInstWS, 'TubeCalibDemoWishResult.nxs',"Result of Running TubeCalibWishMerlin_Simple.py")
+   print "saved calibrated workspace (CalibInstWS) into Nexus file",nexusName
+
+   # ==== End of CalibrateWish() ====
+
+CalibrateWish( '00017701', '03' )