Imigabane y'igicu ni ijanisha rya buri pigiseli mu mashusho y'icyogajuru cyangwa buri gridbox mugihe runaka cy'imiterere cyangwa imiterere yikirere itwikiriwe nibicu . Imigabane y'igicu kimwe bivuze ko pigiseli yuzuyeho ibicu, mugihe igicu cya zeru cyerekana pigiseli yubusa. [1] Igice cy'igicu ni ingenzi mu kwerekana imishwarara imanuka. [2]

Ishusho ya satellite yo mu gace ka Idaho irimo imigabane y'igicu.