ing units</dt>
<dd><p>The argument to <code>solution</code>
be a <code><a href="https://rspatial.github.io/terra/reference/rast.html" class="external-link">terra::rast()</a></code> object where different cells correspond
to different planning units and layers correspond to
a different management zones. It should have the same dimensionality
(rows, columns, layers), resolution, extent, and coordinate reference
system as the planning units in the argument to <code>x</code>. Additionally,
any planning units mi