################################################################     PARAMETER FILE FOR THE MONTE CARLO PET#     COLLIMATOR MODULE##     RUN NAME:     #     CREATED:#     OWNER:###     This is a sample parameter file that you may copy to #     your working directory and use as a template for your #     simulations.###     This parameter file specifies the Monte Carlo PET#     collimator parameters for a PVI (3D-PET) camera with #     two lead end-plates.################################################################ Specify the collimator type# Set collimator_type = simple_pet# Set collimator_type = monte_carlo_pet# Set collimator_type = simple_spect# Set collimator_type = unc_spectENUM    collimator_type = monte_carlo_pet# We have one "layer" for simle parallel collimator segmetnsNUM_ELEMENTS_IN_LIST    layers_list = 1# We have five segments, 2 lead and three airNUM_ELEMENTS_IN_LIST    segment_list = 5# All segments are the same radially. The axial dimensions are# determined by the object. The lead collimators are positioned# just "outside" the object containing activityNUM_ELEMENTS_IN_LIST    segment = 6    INT         seg_type     = 1    INT         material     = 0    REAL        inner_radius = 33.5    REAL        outer_radius = 45.0    REAL        inner_min_z  = -10.0    REAL        inner_max_z  = -1.5NUM_ELEMENTS_IN_LIST    segment = 6    INT         seg_type     = 1    INT         material     = 15    REAL        inner_radius = 33.5    REAL        outer_radius = 45.0    REAL        inner_min_z  = -1.5    REAL        inner_max_z  = -1.0NUM_ELEMENTS_IN_LIST    segment = 6    INT         seg_type     = 1    INT         material     = 0    REAL        inner_radius = 33.5    REAL        outer_radius = 45.0    REAL        inner_min_z  = -1.0    REAL        inner_max_z  = 1.0NUM_ELEMENTS_IN_LIST    segment = 6    INT         seg_type     = 1    INT         material     = 15    REAL        inner_radius = 33.5    REAL        outer_radius = 45.0    REAL        inner_min_z  = 1.0    REAL        inner_max_z  = 1.5NUM_ELEMENTS_IN_LIST    segment = 6    INT         seg_type     = 1    INT         material     = 0    REAL        inner_radius = 33.5    REAL        outer_radius = 45.0    REAL        inner_min_z  = 1.5    REAL        inner_max_z  = 10.0# Specify output file for history (empty string for no history file)STR    history_file = ""# The following is a list of materials you can specify - even though some would be silly# Air					  0# Water                   1# Blood                   2# Bone                    3# Brain                   4# Heart                   5# Lung                    6# Muscle                  7# Lead                    8# Sodium Iodide           9# BGO                    10# Iron                   11# Graphite               12# Tin                    13# GI Trac                14# Connective tissue      15# Copper                 16# Perfect absorber       17# LSO                    18# GSO                    19# Aluminum               20# Tungsten               21# Liver                  22# Fat                    23