[postgis-users] navigation tracks (x,zy) h

[Gery]

Thanks Bob, in fact I posted that recently to the list, it is exactly what
I'm looking for, the output image posted by David Bitner reflects exactly my
problem, however he used 4 parameters for this process, but I only have two,
i.e., longitude and latitude in geographical coordinates (WGS84). So, I
haven't success in reproducing what he did. I installed R and PL/R already
and seems to be working with my PostGis.

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