Ngeli xesha siza kuthetha ngalo imephu. Ezona zixhaphakileyo zezi Imephu zezopolitiko, apho amazwe, amaphondo, iintloko kunye nezixeko zinqunyulweyo kwaye Imephu zomzimba ezichonga iimpawu zejografi ezinje ngeendawo eziphakamileyo, amathafa, amathafa kunye neentaba ezenza isiqabu sommandla.
Ngokwenjongo yakho, iimephu zinokwahlulwa zibe Ubume bendawo okanye injongo ngokubanzi, ukubonisa ngokucacileyo imo yendawo efumaneka emhlabeni kunye nezinto eziphambili eziwenzayo, nokuba yeyokwenyama okanye yomntu, enjengeendlela zonxibelelwano, uncedo, i-hydrografi, amaziko abemi, imida yomhlaba. Olu hlobo lwemephu lwalusetyenziswa kakhulu de kube phakathi kwinkulungwane ye-XNUMX ukusukela ngexesha lokudweba imephu ngemizobo ngelo xesha yayifuna olona lwazi lukhulu emhlabeni.
Los IiMephu zeMixholo okanye ngenjongo ethile injongo kukufumana iimpawu ezithile okanye iziganeko. Umxholo ugubungela imiba eyahlukeneyo enje ngembali, ezopolitiko okanye ezoqoqosho ulwazi; okanye izinto zendalo ezinje ngemozulu, utyani kunye nokwakheka komhlaba. Ezi zinokuba zezodidi lweChoropleth, ezibonisa ukusasazeka kwendawo kunye nokufumana imibala eyahlukeneyo okanye ukulandelela ixabiso elime kwindawo yejografi okanye iChorochromatic, ebonisa imimandla eyahlukileyo ngokomgangatho, oko kukuthi, zibonisa ubukho okanye ukungabikho uphawu oluthile kwindawo ethile.
Eminye imizekelo yeemephu ezingumxholo zezi: Umkhenkethi, ezibandakanya ulwazi oluluncedo kukhenketho, olufana nendawo yedolophu kunye neendlela zonxibelelwano eziqaqambisa amanqaku anomdla kwimbali, imbonakalo-mhlaba, njl. Imephu yeenkcukacha-manani, imele idatha echazayo evela kumacandelo ezopolitiko nawolawulo okanye imephu yeCadastral ejonge ukumela ubunini bomhlaba.