def test_sub_area(self, adef):
"""Sub area slicing."""
area = mock.MagicMock()
area.pixel_size_x = 1.5
area.pixel_size_y = 1.5
area.pixel_upper_left = (0, 0)
area.area_id = 'fakeid'
area.name = 'fake name'
area.proj_id = 'fakeproj'
area.proj_dict = {'fake': 'dict'}
hf.get_sub_area(area, slice(1, 4), slice(0, 3))
adef.assert_called_once_with('fakeid', 'fake name', 'fakeproj',
{'fake': 'dict'}, 3, 3,
(0.75, -3.75, 5.25, 0.75))
def _get_slices(self, area):
"""Get the slices of raw data covering area.
Args:
area: the area to slice.
Returns:
slice_kwargs: kwargs to pass on to loading giving the span of the
data to load.
area: the trimmed area corresponding to the slices.
"""
slice_kwargs = {}
if area is not None and self._area is not None:
try:
slices = get_area_slices(area, self._area)
area = get_sub_area(area, *slices)
slice_kwargs['xslice'], slice_kwargs['yslice'] = slices
except (NotImplementedError, AttributeError):
logger.info("Cannot compute specific slice of data to load.")
return slice_kwargs, area
def _get_slices(self, area):
"""Get the slices of raw data covering area.
Args:
area: the area to slice.
Returns:
slice_kwargs: kwargs to pass on to loading giving the span of the
data to load.
area: the trimmed area corresponding to the slices.
"""
slice_kwargs = {}
if area is not None and self._area is not None:
try:
slices = get_area_slices(area, self._area)
area = get_sub_area(area, *slices)
slice_kwargs['xslice'], slice_kwargs['yslice'] = slices
except (NotImplementedError, AttributeError):
LOG.info("Cannot compute specific slice of data to load.")
return slice_kwargs, area