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dataframes
2006 Oct 18
1
conversion of LL coordenates to UTM problems (ED50-WGS84 format)
...ud-Latitud form (using WGS84 system), so I first need to convert these Longitud-Latitud data into UTM data. To do so, I use package PBSmapping:
attr(my.dataframe, "projection") <-"LL"
attr(my.dataframe, "zone") <- 30
my.dataframe<-as.PolySet(my.dataframe)
my.dataframeUL<-convUL(my.dataframe)
obtaining the UTM coordinates. But when I plot them in the polygon region, points seem to be badly located.
I suspect it is due to the ED50 UTM of the polygon versus WGS84 coordenates of the points. If this is the problem, is there a way to convert them into the same form...