[R-sig-Geo] How to change axis (plot map)?

[Hugo Costa]

Probably you're looking for arguments xaxp and yaxp, used like this:
plot(1:100,xaxp=c(0,100,4), yaxp=c(0,100,2))

Please look for more info in the help. Also, if you intend to make maps,
possibly you should spend some time getting familiar with packages, such as
ggplot2 or tmap.

Cheers
Hugo


Lara Silva <lara.sfp.silva using gmail.com> escreveu no dia sexta, 23/11/2018
à(s) 14:31:

> Hello,
>
>  I am trying to change the scale/number of x-axis and y-axis (map plot -
> Figure 1).
>
> https://www.dropbox.com/sh/34nddj3405q3a6p/AACe-_23Wx7bZRETYIOYjsiQa?dl=0
> For example:
>
> x-axis: 465000,480000, 500000 (min. med. max values)
> The same idea for y-axis ....
>
> Code:
>
> plot(proj22PA$OB_EMmeanByROC_mergedAlgo_mergedRun_mergedData,
> main= "", xlab ="x.coords", ylab="y.coords", cex.axis=caxis)
>
>
> plot(proj22PA$PittOB_EMmeanByROC_mergedAlgo_mergedRun_mergedData,
> main= "", xlab ="x.coords", ylab="y.coords",
> cex.axis=caxis,xlim=c(465000,500000,480000), ylim=c(4270000,4300000))
>
> Do not change ... The map has shifted. Probably, I need a new function or
> modified the argumente for link the information.
>
>
> Another hypothesis
>
> plot(proj22PA$Pittosporum_EMmeanByROC_mergedAlgo_mergedRun_mergedData,
> main= "", xlab ="x.coords", ylab="y.coords", cex.axis=caxis,
> xaxt="n",yaxt="n")
>
> axis(1, seq(450000,480000,500000)) - x.axis
> axis(2, seq(4270000,425000,4300000)) - y.axis
>
> Output - Figure 2. I can not add the "numbers".
>
> https://www.dropbox.com/sh/34nddj3405q3a6p/AACe-_23Wx7bZRETYIOYjsiQa?dl=0
>
> Is it possible change the scale of legend (200, 400, 600, 800)?
>
> Any suggestion for my doubts/problems?
>
> Thanks,
>
> Silva
>
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>
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