Returns a downsampled view of a Spec.

Parameters:¶

const Spec &base_spec¶

Base spec to downsample.

span<const Index> downsample_factors¶

Factors by which to downsample each dimension. Must have length compatible with base_spec.rank() and all factors must be positive. May be specified as a braced list, e.g. Downsample(base_spec, {2, 3}, DownsampleMethod::kMean).

DownsampleMethod downsample_method¶

The downsampling method.

Returns:¶

The downsampled view.