"dips" wrote in message
oups.com...
hi all,

iam facing a problem regarding the realtion between latitude,longitude
and (x,y) pixcel.The basic idea is to plot the tracks given by gps
reading ,to the map .
But i just cant figure out how each latitude can be plotted?i hve been
struggling for past 6 months,but cldnt find a solution...and my
project
deadline is juat around the corner..so please do help,


regards,
dips

A simple matter of mapping the spherical coordinates to cartesian
coordinates according to the rules of some projection, see for example
Mercator. There are others. Which did you intend to use?