[R-sig-Geo] Generating a precise map from coordinates.

[Mauricio Zambrano-Bigiarini]

On 19/03/12 04:50, Agus Camacho wrote:
> 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?

Did you look at :

http://r-spatial.sourceforge.net/gallery/
http://cran.r-project.org/web/views/Spatial.html

?

IHTH,

Mauricio Zambrano-Bigiarini

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>
> 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')
>
>
>
>
>
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