def __init__(self, channel_type):
'''
Initialize empty Channel Template with specific type
'''
ChannelType.__init__(self, channel_type)
ChannelStyle.__init__(self, channel_type)
Template.__init__(self)
self.__input_templates = [] # track added input templates
self.__input_template_types = set() # track added input template types
def __init__(self, input_type, template):
'''
Initialize object with input type and histogram. Histogram will be
cloned and automatically scaled to x-section, luminosity and
number of Monte-Carlo processed events
'''
InputType.__init__(self, input_type)
# cache scale factor for future fast access
self.__scale = (self.xsection * self.luminosity() /
self.events) if self.events else 1
# histogram will be scaled upon set and scale factor need to be set
Template.__init__(self,
template = template)
