MCS.py

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#!/usr/bin/env python
'''
This nuwa module adds an MCS geometry to the nominal one.
'''
import os

# called by nuwa
def configure(argv=None):
    '''
    Configure the MCS geometry module with (radius, height, angle) or (r,z,phi)

    Each quantity should be a number multiplied to a unit.  Eg:

    200*mm -1*m 240*degree
    '''
    radius, height, angle = argv
    
    # turn on / hook in the MCS to the nominal geometry.xml/structure.xml
    os.environ['DD_GEOMETRY_EXTRA'] = '<catalogref href="ManualCalibration/geometry.xml#ManualCalibration"/>'
    os.environ['DD_STRUCTURE_EXTRA'] = '<catalogref href="ManualCalibration/structure.xml#ManualCalibration"/>'

    # hook in the physical volumes to the AD/GDS.xml file
    os.environ['DD_AD_GDS_EE'] = '''
<!ENTITY MCSParameters SYSTEM "../ManualCalibration/parameters.xml">
<!ENTITY MCSPhysVols SYSTEM "../ManualCalibration/physvols.xml">
'''
    os.environ['DD_AD_GDS_TOP'] = '&MCSParameters;'
    os.environ['DD_AD_GDS_PV'] = '&MCSPhysVols;'

    # set the location parameters which are in the ManualCalibration/parameters.xml file
    os.environ['MCS_SOURCE_RADIUS'] = radius
    os.environ['MCS_SOURCE_HEIGHT'] = height
    os.environ['MCS_SOURCE_ANGLE'] = angle

    return