code: def _prepare_ogc_request_params(self):
          
          self.ogc_request.image_format = MimeType.TIFF_d32f
          if self.ogc_request.custom_url_params is None:
              self.ogc_request.custom_url_params = {}
          self.ogc_request.custom_url_params.update({
              CustomUrlParam.SHOWLOGO: False,
              CustomUrlParam.TRANSPARENT: True,
              CustomUrlParam.EVALSCRIPT: S2_BANDS_EVALSCRIPT if self.all_bands else MODEL_EVALSCRIPT,
              CustomUrlParam.ATMFILTER: 'NONE'
          })
          self.ogc_request.create_request(reset_wfs_iterator=False)
docs: Method makes sure that correct parameters will be used for download of S-2 bands.