Xa sicwangcisa indlela yokubhabha yomsebenzi oblique wokufota, ukulungiselela ukuqokelela ulwazi lwesakhiwo esisekupheleni kwendawo ekujoliswe kuyo, ihlala iyimfuneko ukwandisa indawo yenqwelomoya.
Kodwa oku kuyakukhokelela kwiifoto ezininzi esingazidingiyo konke konke, kuba kwezi ndawo zinabileyo zenqwelomoya, inye kuphela idatha yeelensi ezintlanu eya kwindawo yophando esebenzayo.
Inani elikhulu leefoto ezingavumelekanga liyakukhokelela ekwandeni kwenani lokugqibela ledatha, eliya kunciphisa kakhulu ukusebenza kwedatha, kwaye kunokubangela iimpazamo kubalo lwe-aerial triangulation (AT).
Isoftware yokucoca isibhakabhaka inokunciphisa ngokufanelekileyo iifoto ezingasebenziyo ngama-20% ~ 40%, ukunciphisa inani elipheleleyo leefoto malunga ne-30% kunye nokuphucula ukusebenza kwedatha engaphezulu kwama-50%.