|
"""Docstring components common to several ndimage functions.""" |
|
from typing import Final |
|
|
|
from scipy._lib import doccer |
|
|
|
__all__ = ['docfiller'] |
|
|
|
|
|
_input_doc = ( |
|
"""input : array_like |
|
The input array.""") |
|
_axis_doc = ( |
|
"""axis : int, optional |
|
The axis of `input` along which to calculate. Default is -1.""") |
|
_output_doc = ( |
|
"""output : array or dtype, optional |
|
The array in which to place the output, or the dtype of the |
|
returned array. By default an array of the same dtype as input |
|
will be created.""") |
|
_size_foot_doc = ( |
|
"""size : scalar or tuple, optional |
|
See footprint, below. Ignored if footprint is given. |
|
footprint : array, optional |
|
Either `size` or `footprint` must be defined. `size` gives |
|
the shape that is taken from the input array, at every element |
|
position, to define the input to the filter function. |
|
`footprint` is a boolean array that specifies (implicitly) a |
|
shape, but also which of the elements within this shape will get |
|
passed to the filter function. Thus ``size=(n,m)`` is equivalent |
|
to ``footprint=np.ones((n,m))``. We adjust `size` to the number |
|
of dimensions of the input array, so that, if the input array is |
|
shape (10,10,10), and `size` is 2, then the actual size used is |
|
(2,2,2). When `footprint` is given, `size` is ignored.""") |
|
_mode_reflect_doc = ( |
|
"""mode : {'reflect', 'constant', 'nearest', 'mirror', 'wrap'}, optional |
|
The `mode` parameter determines how the input array is extended |
|
beyond its boundaries. Default is 'reflect'. Behavior for each valid |
|
value is as follows: |
|
|
|
'reflect' (`d c b a | a b c d | d c b a`) |
|
The input is extended by reflecting about the edge of the last |
|
pixel. This mode is also sometimes referred to as half-sample |
|
symmetric. |
|
|
|
'constant' (`k k k k | a b c d | k k k k`) |
|
The input is extended by filling all values beyond the edge with |
|
the same constant value, defined by the `cval` parameter. |
|
|
|
'nearest' (`a a a a | a b c d | d d d d`) |
|
The input is extended by replicating the last pixel. |
|
|
|
'mirror' (`d c b | a b c d | c b a`) |
|
The input is extended by reflecting about the center of the last |
|
pixel. This mode is also sometimes referred to as whole-sample |
|
symmetric. |
|
|
|
'wrap' (`a b c d | a b c d | a b c d`) |
|
The input is extended by wrapping around to the opposite edge. |
|
|
|
For consistency with the interpolation functions, the following mode |
|
names can also be used: |
|
|
|
'grid-mirror' |
|
This is a synonym for 'reflect'. |
|
|
|
'grid-constant' |
|
This is a synonym for 'constant'. |
|
|
|
'grid-wrap' |
|
This is a synonym for 'wrap'.""") |
|
|
|
_mode_interp_constant_doc = ( |
|
"""mode : {'reflect', 'grid-mirror', 'constant', 'grid-constant', 'nearest', \ |
|
'mirror', 'grid-wrap', 'wrap'}, optional |
|
The `mode` parameter determines how the input array is extended |
|
beyond its boundaries. Default is 'constant'. Behavior for each valid |
|
value is as follows (see additional plots and details on |
|
:ref:`boundary modes <ndimage-interpolation-modes>`): |
|
|
|
'reflect' (`d c b a | a b c d | d c b a`) |
|
The input is extended by reflecting about the edge of the last |
|
pixel. This mode is also sometimes referred to as half-sample |
|
symmetric. |
|
|
|
'grid-mirror' |
|
This is a synonym for 'reflect'. |
|
|
|
'constant' (`k k k k | a b c d | k k k k`) |
|
The input is extended by filling all values beyond the edge with |
|
the same constant value, defined by the `cval` parameter. No |
|
interpolation is performed beyond the edges of the input. |
|
|
|
'grid-constant' (`k k k k | a b c d | k k k k`) |
|
The input is extended by filling all values beyond the edge with |
|
the same constant value, defined by the `cval` parameter. Interpolation |
|
occurs for samples outside the input's extent as well. |
|
|
|
'nearest' (`a a a a | a b c d | d d d d`) |
|
The input is extended by replicating the last pixel. |
|
|
|
'mirror' (`d c b | a b c d | c b a`) |
|
The input is extended by reflecting about the center of the last |
|
pixel. This mode is also sometimes referred to as whole-sample |
|
symmetric. |
|
|
|
'grid-wrap' (`a b c d | a b c d | a b c d`) |
|
The input is extended by wrapping around to the opposite edge. |
|
|
|
'wrap' (`d b c d | a b c d | b c a b`) |
|
The input is extended by wrapping around to the opposite edge, but in a |
|
way such that the last point and initial point exactly overlap. In this |
|
case it is not well defined which sample will be chosen at the point of |
|
overlap.""") |
|
_mode_interp_mirror_doc = ( |
|
_mode_interp_constant_doc.replace("Default is 'constant'", |
|
"Default is 'mirror'") |
|
) |
|
assert _mode_interp_mirror_doc != _mode_interp_constant_doc, \ |
|
'Default not replaced' |
|
|
|
_mode_multiple_doc = ( |
|
"""mode : str or sequence, optional |
|
The `mode` parameter determines how the input array is extended |
|
when the filter overlaps a border. By passing a sequence of modes |
|
with length equal to the number of dimensions of the input array, |
|
different modes can be specified along each axis. Default value is |
|
'reflect'. The valid values and their behavior is as follows: |
|
|
|
'reflect' (`d c b a | a b c d | d c b a`) |
|
The input is extended by reflecting about the edge of the last |
|
pixel. This mode is also sometimes referred to as half-sample |
|
symmetric. |
|
|
|
'constant' (`k k k k | a b c d | k k k k`) |
|
The input is extended by filling all values beyond the edge with |
|
the same constant value, defined by the `cval` parameter. |
|
|
|
'nearest' (`a a a a | a b c d | d d d d`) |
|
The input is extended by replicating the last pixel. |
|
|
|
'mirror' (`d c b | a b c d | c b a`) |
|
The input is extended by reflecting about the center of the last |
|
pixel. This mode is also sometimes referred to as whole-sample |
|
symmetric. |
|
|
|
'wrap' (`a b c d | a b c d | a b c d`) |
|
The input is extended by wrapping around to the opposite edge. |
|
|
|
For consistency with the interpolation functions, the following mode |
|
names can also be used: |
|
|
|
'grid-constant' |
|
This is a synonym for 'constant'. |
|
|
|
'grid-mirror' |
|
This is a synonym for 'reflect'. |
|
|
|
'grid-wrap' |
|
This is a synonym for 'wrap'.""") |
|
_cval_doc = ( |
|
"""cval : scalar, optional |
|
Value to fill past edges of input if `mode` is 'constant'. Default |
|
is 0.0.""") |
|
_origin_doc = ( |
|
"""origin : int, optional |
|
Controls the placement of the filter on the input array's pixels. |
|
A value of 0 (the default) centers the filter over the pixel, with |
|
positive values shifting the filter to the left, and negative ones |
|
to the right.""") |
|
_origin_multiple_doc = ( |
|
"""origin : int or sequence, optional |
|
Controls the placement of the filter on the input array's pixels. |
|
A value of 0 (the default) centers the filter over the pixel, with |
|
positive values shifting the filter to the left, and negative ones |
|
to the right. By passing a sequence of origins with length equal to |
|
the number of dimensions of the input array, different shifts can |
|
be specified along each axis.""") |
|
_extra_arguments_doc = ( |
|
"""extra_arguments : sequence, optional |
|
Sequence of extra positional arguments to pass to passed function.""") |
|
_extra_keywords_doc = ( |
|
"""extra_keywords : dict, optional |
|
dict of extra keyword arguments to pass to passed function.""") |
|
_prefilter_doc = ( |
|
"""prefilter : bool, optional |
|
Determines if the input array is prefiltered with `spline_filter` |
|
before interpolation. The default is True, which will create a |
|
temporary `float64` array of filtered values if ``order > 1``. If |
|
setting this to False, the output will be slightly blurred if |
|
``order > 1``, unless the input is prefiltered, i.e. it is the result |
|
of calling `spline_filter` on the original input.""") |
|
|
|
docdict = { |
|
'input': _input_doc, |
|
'axis': _axis_doc, |
|
'output': _output_doc, |
|
'size_foot': _size_foot_doc, |
|
'mode_interp_constant': _mode_interp_constant_doc, |
|
'mode_interp_mirror': _mode_interp_mirror_doc, |
|
'mode_reflect': _mode_reflect_doc, |
|
'mode_multiple': _mode_multiple_doc, |
|
'cval': _cval_doc, |
|
'origin': _origin_doc, |
|
'origin_multiple': _origin_multiple_doc, |
|
'extra_arguments': _extra_arguments_doc, |
|
'extra_keywords': _extra_keywords_doc, |
|
'prefilter': _prefilter_doc |
|
} |
|
|
|
docfiller: Final = doccer.filldoc(docdict) |
|
|