Hello all,

I am still new to plot maps in R and trying to plot the object (wrld_simpl)
from maptools. However found it difficult to plot a map with precise
coordinates.

The following series of plots shows what I am talking about:
The margins of the plot are those specified only in some cases but others
not. Anybody could give me a hint to generate maps from coordinates without
having to be fishing a set of coordinates that looks good?

plot(wrld_simpl, xlim=c(100,160), ylim=c(-45,10), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(100,160), ylim=c(-40,-10), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(100,160), ylim=c(-40,-15), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(100,160), ylim=c(-40,-20), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(100,160), ylim=c(-40,-25), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(115,160), ylim=c(-40,-25), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(115,155), ylim=c(-40,-25), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(115,155), ylim=c(-40,-20), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(115,155), ylim=c(-40,-15), axes=TRUE,col='light
yellow')
plot(wrld_simpl, xlim=c(115,155), ylim=c(-40,-14), axes=TRUE,col='light
yellow')


-- 
Agustín Camacho Guerrero.
Doutorando em Zoologia.
Laboratório de Herpetologia, Departamento de Zoologia, Instituto de
Biociências, USP.
Rua do Matão, trav. 14, nº 321, Cidade Universitária,
São Paulo - SP, CEP: 05508-090, Brasil.

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