[GRASS-user] georectify - what are the forward and backward error

Moritz Lennert mlennert at club.worldonline.be
Wed Nov 21 03:46:38 EST 2007


Hello,

Can someone explain what is the meaning of the forward and (especially)
backward errors in georectify/g.transform  ?

Also, is it normal that the backward error is significantly (by one order
of magnitude) lower than the forward error ?

Moritz



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