def get_zoom_levels(process_zoom_levels=None, init_zoom_levels=None):
"""Validate and return zoom levels."""
process_zoom_levels = validate_zooms(process_zoom_levels)
if init_zoom_levels is None:
return process_zoom_levels
else:
init_zoom_levels = validate_zooms(init_zoom_levels)
if not set(init_zoom_levels).issubset(set(process_zoom_levels)):
raise ValueError("init zooms must be a subset of process zoom")
return init_zoom_levels
def _validate_zoom(ctx, param, zoom):
if zoom:
try:
zoom_levels = list(map(int, zoom.split(",")))
except ValueError:
raise click.BadParameter("zoom levels must be integer values")
try:
if len(zoom_levels) > 2:
raise ValueError("zooms can be maximum two items")
return validate_zooms(zoom_levels, expand=False)
except Exception as e:
raise click.BadParameter(e)
def _input_mapchete_info(input_):
conf = raw_conf(input_)
output_params = conf["output"]
pyramid = raw_conf_output_pyramid(conf)
return dict(
output_params=output_params,
pyramid=pyramid.to_dict(),
crs=pyramid.crs,
zoom_levels=validate_zooms(conf["zoom_levels"], expand=False),
pixel_size=None,
input_type=OUTPUT_FORMATS[output_params["format"]]["data_type"],
bounds=conf.get("bounds"))
def _get_zoom_level(zoom, process):
"""Determine zoom levels."""
return reversed(process.config.zoom_levels) if zoom is None else validate_zooms(zoom)
def zoom_levels(self):
"""Process zoom levels as defined in the configuration."""
return validate_zooms(self._raw["zoom_levels"])