create_box_convolutionfunction

create_box_convolutionfunction(im, oversampling=1, support=1, polarisation_frame=None)

Fill a box car function into a ConvolutionFunction

Also returns the griddata correction function as an image

Parameters:

• im – Image template

• oversampling – Oversampling of the convolution function in uv space

Returns:

griddata correction Image, griddata kernel as ConvolutionFunction