[R] Add arrows to a filled.contour margin

Ronaldo Reis Junior chrysopa at gmail.com
Tue Aug 5 15:54:59 CEST 2008


I try to put an arrow to a filled.contour plot. I make this:

filled.contour(volcano, color = terrain.colors,key.axes=F)

This work, but the problem is that I find the coordinates at random try, for 
other graphic with other scale is other fight with coordinates. Anybody know 
a more easy  or more generalized way to make this? Somethink like this 

The sweeter the apple, the blacker the core --
Scratch a lover and find a foe!
		-- Dorothy Parker, "Ballad of a Great Weariness"
> Prof. Ronaldo Reis Júnior
|  .''`. UNIMONTES/Depto. Biologia Geral/Lab. de Biologia Computacional
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| `. `'` CP: 126, CEP: 39401-089, Montes Claros - MG - Brasil
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