See also &quot;What is Map Algebra?&quot; <a href="http:&#x2F;&#x2F;gisgeography.com&#x2F;map-algebra-global-zonal-focal-local&#x2F;" rel="nofollow">http:&#x2F;&#x2F;gisgeography.com&#x2F;map-algebra-global-zonal-focal-local...</a>