HighLevelWCSWrapper

class astropy.wcs.wcsapi.HighLevelWCSWrapper(low_level_wcs)

Bases: HighLevelWCSMixin

Wrapper class that can take any BaseLowLevelWCS object and expose the high-level WCS API.

Attributes Summary

array_shape	See array_shape
axis_correlation_matrix	See axis_correlation_matrix
low_level_wcs	Returns a reference to the underlying low-level WCS object.
pixel_bounds	See pixel_bounds
pixel_n_dim	See world_n_dim
world_axis_physical_types	See world_axis_physical_types
world_axis_units	See world_axis_units
world_n_dim	See world_n_dim

Methods Summary

array_index_to_world(*index_arrays)	Convert array indices to world coordinates (represented by Astropy objects).
pixel_to_world(*pixel_arrays)	Convert pixel coordinates to world coordinates (represented by high-level objects).
world_to_array_index(*world_objects)	Convert world coordinates (represented by Astropy objects) to array indices.
world_to_pixel(*world_objects)	Convert world coordinates (represented by Astropy objects) to pixel coordinates.

Attributes Documentation

array_shape

See array_shape

axis_correlation_matrix

See axis_correlation_matrix

low_level_wcs

pixel_bounds

See pixel_bounds

pixel_n_dim

See world_n_dim

world_axis_physical_types

See world_axis_physical_types

world_axis_units

See world_axis_units

world_n_dim

See world_n_dim

Methods Documentation

array_index_to_world(*index_arrays)

Convert array indices to world coordinates (represented by Astropy objects).

If a single high-level object is used to represent the world coordinates (i.e., if len(wcs.world_axis_object_classes) == 1), it is returned as-is (not in a tuple/list), otherwise a tuple of high-level objects is returned. See array_index_to_world_values for pixel indexing and ordering conventions.

pixel_to_world(*pixel_arrays)

Convert pixel coordinates to world coordinates (represented by high-level objects).

If a single high-level object is used to represent the world coordinates (i.e., if len(wcs.world_axis_object_classes) == 1), it is returned as-is (not in a tuple/list), otherwise a tuple of high-level objects is returned. See pixel_to_world_values for pixel indexing and ordering conventions.

world_to_array_index(*world_objects)

Convert world coordinates (represented by Astropy objects) to array indices.

If pixel_n_dim is 1, this method returns a single scalar or array, otherwise a tuple of scalars or arrays is returned. See world_to_array_index_values for pixel indexing and ordering conventions. The indices should be returned as rounded integers.

world_to_pixel(*world_objects)

Convert world coordinates (represented by Astropy objects) to pixel coordinates.

If pixel_n_dim is 1, this method returns a single scalar or array, otherwise a tuple of scalars or arrays is returned. See world_to_pixel_values for pixel indexing and ordering conventions.