ariable is evenly distributed
throughout the zone. Returns a SpatialPolygonsDataFrame.</p>
    <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>

    <div class='dont-index'><p>Other rnet: 
<code><a href='SpatialLinesNetwork.html'>SpatialLinesNetwork</a></code>,
<code><a href='calc_catchment_sum.html'>calc_catchment_sum</a>()</code>,
<code><a href='calc_moving_catchment.html'>calc_moving_catchment</a>()</code>,
<code><a href='calc_network_catchment.html'>calc_network_c