docs: def _formatFilepaths(self):
          """
          Join dirnames and filenames from config.
          """
          likedir=self['output']['likedir']
          self.likefile  = join(likedir,self['output']['likefile'])
          self.mergefile = join(likedir,self['output']['mergefile'])
          self.roifile   = join(likedir,self['output']['roifile'])
  
          searchdir=self['output']['searchdir']
          self.labelfile  = join(searchdir,self['output']['labelfile'])
          self.objectfile = join(searchdir,self['output']['objectfile'])
          self.assocfile  = join(searchdir,self['output']['assocfile'])
          self.candfile   = join(searchdir,self['output']['candfile'])
  
          mcmcdir=self['output']['mcmcdir']
          self.mcmcfile   = join(mcmcdir,self['output']['mcmcfile'])