ciclons

ciclons:

f(x,y) = P+( x+(-1)·c_{x} )^{2n+2}+( y+(-1)·c_{y} )^{2n+2}

fronts:

g(x,y) = ...

... (P/2)+( x+(-1)·c_{x} )·sin[2n+1]( x+(-1)·c_{x} )+...

... (P/2)+( y+(-1)·c_{y} )·cos[2n+1]( y+(-1)·c_{y} )

g(x,y) = ...

... (P/2)+( x+(-1)·c_{x} )·cos[2n+1]( x+(-1)·c_{x} )+...

... (P/2)+( y+(-1)·c_{y} )·sin[2n+1]( y+(-1)·c_{y} )