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Hi everybody: Does anyone know how I can change geodesic coordenates into UTM ones? Thanks in advance for your cooperation, Jimmy M. _________________________________________________________________ Bing brings you maps, menus, and reviews organized in one place. a=TEXT_MFESRP_Local_MapsMenu_Resturants_1x1 [[alternative HTML version deleted]]

...tr(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 format? It it is not the problem, what am I doing wrong? Thanks a lot in advance. Berta. [[alternative HTML version deleted]]

Hello list! I have a problem with the function 'persp'. I have a data set with the variables X -> The X coordenate of the insect Y -> The Y coordenate of the insect deep-> how deep the insect buried into the soil. I would like to have a plot with a surface simulating the way the insect buried. Is it possible? If I type persp(x,y,deep) R gives me this error message Error in

...tors x and y are not of equal length So, I checked the manuals, the R book and also the summary of the 'japanesepines' file, to know how to make the .txt table, for the data to be already read as ppp class, but it doesn´t result neither. I made a table with a "w" column with the coordenates written (0,40,0,0,80), another column "n" with the number of individuals, and the columns "x" and "y" with the coordinates. But it doesn´t work. I am not using any mask I'd really appreciate if you can help me solving this problem, that for sure is not complicated...