Dear colleagues,

How to I specify latitude and longitude intervals on x and y axis in a map
using the maptools package?

Suppose that I plotted a map and using the argument "axes = TRUE", I got
the y (latitude) axis plotted to show "-23.6 -23.4 -23.2 -23 -22.8 -22.6"
(i.e. 0.2 intervals), but I was actually wanting to see "-23.6 -23.2 -22.8
" (0.4 intervals). How can I customize the intervals?

Any help will be greatly appreciated.

Regards,

-- 
=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->=8-->



http://www.unifesp.br/campus/san7/
<http://www.unifesp.br/campus/san7/graduacao/cursos/bacharelado-interdisciplinar-em-ciencia-e-tecnologia-do-mar>
https://labpescaunifesp.wixsite.com/labpesca/inicio

Email: rodrigo.p...@gmail.com ; rsmart...@unifesp.br
CV Lattes: http://lattes.cnpq.br/5350064124902777
Google Scholar:
http://scholar.google.com.br/citations?user=zX_EezEAAAAJ&hl=pt-BR
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<https://www.researchgate.net/profile/Rodrigo_Martins6/?ev=hdr_xprf>

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