code: def write_model_map(self, model_name=None, name=None):
          
  
          if model_name is None:
              suffix = self.config['file_suffix']
          else:
              suffix = '_%s%s' % (model_name, self.config['file_suffix'])
  
          self.logger.info('Generating model map for component %s.', self.name)
  
          outfile = os.path.join(self.config['fileio']['workdir'],
                                 'mcube%s.fits' % (suffix))
  
          cmap = self.model_counts_map(name, use_mask=False)
          cmap.write(outfile, overwrite=True, conv='fgst-ccube')
          return cmap
docs: Save counts model map to a FITS file.