autolens.Array2D#
- class autolens.Array2D(shape, dtype=float, buffer=None, offset=0, strides=None, order=None)[source]#
- __init__(*args, **kwargs)#
Initialize self. See help(type(self)) for accurate signature.
Methods
__init__
(*args, **kwargs)Initialize self.
all
([axis, out, keepdims])Returns True if all elements evaluate to True.
any
([axis, out, keepdims])Returns True if any of the elements of a evaluate to True.
apply_mask
(mask)argmax
([axis, out])Return indices of the maximum values along the given axis.
argmin
([axis, out])Return indices of the minimum values along the given axis of a.
argpartition
(kth[, axis, kind, order])Returns the indices that would partition this array.
argsort
([axis, kind, order])Returns the indices that would sort this array.
astype
(dtype[, order, casting, subok, copy])Copy of the array, cast to a specified type.
byteswap
([inplace])Swap the bytes of the array elements
choose
(choices[, out, mode])Use an index array to construct a new array from a set of choices.
clip
([min, max, out])Return an array whose values are limited to
[min, max]
.compress
(condition[, axis, out])Return selected slices of this array along given axis.
conj
()Complex-conjugate all elements.
conjugate
()Return the complex conjugate, element-wise.
copy
([order])Return a copy of the array.
cumprod
([axis, dtype, out])Return the cumulative product of the elements along the given axis.
cumsum
([axis, dtype, out])Return the cumulative sum of the elements along the given axis.
diagonal
([offset, axis1, axis2])Return specified diagonals.
dot
(b[, out])Dot product of two arrays.
dump
(file)Dump a pickle of the array to the specified file.
dumps
()Returns the pickle of the array as a string.
extent_of_zoomed_array
([buffer])For an extracted zoomed array computed from the method zoomed_around_mask compute its extent in scaled coordinates.
fill
(value)Fill the array with a scalar value.
flatten
([order])Return a copy of the array collapsed into one dimension.
from_fits
(file_path, pixel_scales[, hdu, …])Create an Array2D (see AbstractArray2D.__new__) by loading the array values from a .fits file.
full
(fill_value, shape_native, pixel_scales)Create an Array2D (see AbstractArray2D.__new__) where all values are filled with an input fill value, analogous to the method np.full().
getfield
(dtype[, offset])Returns a field of the given array as a certain type.
item
(*args)Copy an element of an array to a standard Python scalar and return it.
itemset
(*args)Insert scalar into an array (scalar is cast to array’s dtype, if possible)
manual
(array, pixel_scales[, shape_native, …])Create an Array2D (see AbstractArray2D.__new__) by inputting the array values in 1D or 2D, automatically determining whether to use the ‘manual_slim’ or ‘manual_native’ methods.
manual_mask
(array, mask[, header])Create an Array2D (see AbstractArray2D.__new__) by inputting the array values in 1D or 2D with its mask, for example:
manual_native
(array, pixel_scales[, …])Create an Array2D (see AbstractArray2D.__new__) by inputting the array values in 2D, for example:
manual_slim
(array, shape_native, pixel_scales)Create an Array2D (see AbstractArray2D.__new__) by inputting the array values in 1D, for example:
manual_yx_and_values
(y, x, values, …[, …])Create an Array2D (see AbstractArray2D.__new__) by inputting the y and x pixel values where the array is filled and the values to fill the array, for example:
max
([axis, out, keepdims, initial, where])Return the maximum along a given axis.
mean
([axis, dtype, out, keepdims])Returns the average of the array elements along given axis.
min
([axis, out, keepdims, initial, where])Return the minimum along a given axis.
newbyteorder
([new_order])Return the array with the same data viewed with a different byte order.
nonzero
()Return the indices of the elements that are non-zero.
ones
(shape_native, pixel_scales[, sub_size, …])Create an Array2D (see AbstractArray2D.__new__) where all values are filled with ones, analogous to the method np.ones().
output_to_fits
(file_path[, overwrite])Output the array to a .fits file.
padded_before_convolution_from
(kernel_shape)When the edge pixels of a mask are unmasked and a convolution is to occur, the signal of edge pixels will be ‘missing’ if the grid is used to evaluate the signal via an analytic function.
partition
(kth[, axis, kind, order])Rearranges the elements in the array in such a way that the value of the element in kth position is in the position it would be in a sorted array.
prod
([axis, dtype, out, keepdims, initial, …])Return the product of the array elements over the given axis
ptp
([axis, out, keepdims])Peak to peak (maximum - minimum) value along a given axis.
put
(indices, values[, mode])Set
a.flat[n] = values[n]
for all n in indices.ravel
([order])Return a flattened array.
repeat
(repeats[, axis])Repeat elements of an array.
reshape
(shape[, order])Returns an array containing the same data with a new shape.
resize
(new_shape[, refcheck])Change shape and size of array in-place.
resized_from
(new_shape[, mask_pad_value])Resize the array around its centre to a new input shape.
round
([decimals, out])Return a with each element rounded to the given number of decimals.
searchsorted
(v[, side, sorter])Find indices where elements of v should be inserted in a to maintain order.
setfield
(val, dtype[, offset])Put a value into a specified place in a field defined by a data-type.
setflags
([write, align, uic])Set array flags WRITEABLE, ALIGNED, (WRITEBACKIFCOPY and UPDATEIFCOPY), respectively.
sort
([axis, kind, order])Sort an array in-place.
squeeze
([axis])Remove single-dimensional entries from the shape of a.
std
([axis, dtype, out, ddof, keepdims])Returns the standard deviation of the array elements along given axis.
structure_2d_from
(result)structure_2d_list_from
(result_list)sum
([axis, dtype, out, keepdims, initial, where])Return the sum of the array elements over the given axis.
swapaxes
(axis1, axis2)Return a view of the array with axis1 and axis2 interchanged.
take
(indices[, axis, out, mode])Return an array formed from the elements of a at the given indices.
tobytes
([order])Construct Python bytes containing the raw data bytes in the array.
tofile
(fid[, sep, format])Write array to a file as text or binary (default).
tolist
()Return the array as an
a.ndim
-levels deep nested list of Python scalars.tostring
([order])A compatibility alias for tobytes, with exactly the same behavior.
trace
([offset, axis1, axis2, dtype, out])Return the sum along diagonals of the array.
transpose
(*axes)Returns a view of the array with axes transposed.
trimmed_after_convolution_from
(kernel_shape)When the edge pixels of a mask are unmasked and a convolution is to occur, the signal of edge pixels will be ‘missing’ if the grid is used to evaluate the signal via an analytic function.
var
([axis, dtype, out, ddof, keepdims])Returns the variance of the array elements, along given axis.
view
([dtype][, type])New view of array with the same data.
zeros
(shape_native, pixel_scales[, …])Create an Array2D (see AbstractArray2D.__new__) where all values are filled with zeros, analogous to the method np.ones().
zoomed_around_mask
([buffer])Extract the 2D region of an array corresponding to the rectangle encompassing all unmasked values.
Attributes
T
The transposed array.
base
Base object if memory is from some other object.
binned
Convenience method to access the binned-up array in its 1D representation, which is a Grid2D stored as an ndarray of shape [total_unmasked_pixels, 2].
binned_across_columns
binned_across_rows
ctypes
An object to simplify the interaction of the array with the ctypes module.
data
Python buffer object pointing to the start of the array’s data.
dtype
Data-type of the array’s elements.
extent
flags
Information about the memory layout of the array.
flat
A 1-D iterator over the array.
imag
The imaginary part of the array.
in_counts
in_counts_per_second
itemsize
Length of one array element in bytes.
native
Return a Array2D where the data is stored in its native representation, which is an ndarray of shape [sub_size*total_y_pixels, sub_size*total_x_pixels].
nbytes
Total bytes consumed by the elements of the array.
ndim
Number of array dimensions.
origin
original_orientation
pixel_area
pixel_scale
pixel_scales
readout_offsets
real
The real part of the array.
shape
Tuple of array dimensions.
shape_native
shape_slim
size
Number of elements in the array.
slim
Return an Array2D where the data is stored its slim representation, which is an ndarray of shape [total_unmasked_pixels * sub_size**2].
strides
Tuple of bytes to step in each dimension when traversing an array.
sub_shape_native
sub_shape_slim
sub_size
total_area
total_pixels
unmasked_grid