Tikerḍiwin-a, nexdem-itent s useɣẓan n QGIS; i d-isbeyyanen tanḍawit yellan daxel n yiwet n tutlayt. Di tazwara newwi-d tisalliyin1 si Google Maps, nexdem yisen takerḍa nesbeyyen-d tidgatin anda i d-negmer amud. Inefkan i d-newwi ɣur yimselɣa ɣef yismawen n yiɣersiwen nexdem-iten di tkerḍiwin nesbeyyen-d tanḍawit yellan gar tudrin i nefren deg umawal, timsislit d telɣawit, yal tanḍa nexdem-as azamul yettuɣal ɣer taddart i t-yeɛnan.