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fixing the shift of the center of the array for resampling #54

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fixing the shift of the center of the array for resampling #54

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8 changes: 7 additions & 1 deletion src/resampling.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,14 @@
true
```
"""
function resample(arr::AbstractArray{T, N}, new_size; normalize=true) where {T, N}
function resample(arr::AbstractArray{T, N}, new_size; shift_center=false, normalize=true) where {T, N}
if new_size == size(arr)
return copy(arr)
end
# for complex arrays we need a full FFT
if shift_center
arr = ifftshift(arr)

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end
if T <: Complex
arr_out = resample_by_FFT(arr, Tuple(new_size))
else
Expand All @@ -67,6 +70,9 @@
if normalize
arr_out .*= length(arr_out) ./ length(arr)
end
if shift_center
arr_out = fftshift(arr_out)

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end
return arr_out
end

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