Reference/API

astropy.convolution Package

Functions

convolve(array, kernel[, boundary, ...])	Convolve an array with a kernel.
convolve_fft(array, kernel[, boundary, ...])	Convolve an ndarray with an nd-kernel.
convolve_models(model, kernel[, mode])	Convolve two models using convolve_fft.
convolve_models_fft(model, kernel, ...[, cache])	Convolve two models using convolve_fft.
discretize_model(model, x_range[, y_range, ...])	Evaluate an analytical model function on a pixel grid.
interpolate_replace_nans(array, kernel[, ...])	Given a data set containing NaNs, replace the NaNs by interpolating from neighboring data points with a given kernel.
kernel_arithmetics(kernel, value, operation)	Add, subtract or multiply two kernels.

Classes

AiryDisk2DKernel(radius, **kwargs)	2D Airy disk kernel.
Box1DKernel(width, **kwargs)	1D Box filter kernel.
Box2DKernel(width, **kwargs)	2D Box filter kernel.
CustomKernel(array)	Create filter kernel from list or array.
Gaussian1DKernel(stddev, **kwargs)	1D Gaussian filter kernel.
Gaussian2DKernel(x_stddev[, y_stddev, theta])	2D Gaussian filter kernel.
Kernel(array)	Convolution kernel base class.
Kernel1D([model, x_size, array])	Base class for 1D filter kernels.
Kernel2D([model, x_size, y_size, array])	Base class for 2D filter kernels.
KernelArithmeticError	Called when doing invalid arithmetic with a kernel.
KernelError	Base error class for kernel errors.
KernelSizeError	Called when size of kernels is even.
Model1DKernel(model, **kwargs)	Create kernel from 1D model.
Model2DKernel(model, **kwargs)	Create kernel from 2D model.
Moffat2DKernel(gamma, alpha, **kwargs)	2D Moffat kernel.
RickerWavelet1DKernel(width, **kwargs)	1D Ricker wavelet filter kernel (sometimes known as a "Mexican Hat" kernel).
RickerWavelet2DKernel(width, **kwargs)	2D Ricker wavelet filter kernel (sometimes known as a "Mexican Hat" kernel).
Ring2DKernel(radius_in, width, **kwargs)	2D Ring filter kernel.
Tophat2DKernel(radius, **kwargs)	2D Tophat filter kernel.
Trapezoid1DKernel(width[, slope])	1D trapezoid kernel.
TrapezoidDisk2DKernel(radius[, slope])	2D trapezoid kernel.