vertices = dimension1:320 dimension2:320

x = from (-4) to (4) dimension1
z = from (-4) to (4) dimension2
r = x^2 + z^2
y = sin(x^2 + z^2*3)/(0.05 + r) + (x^2 + z^2*5)*exp(1 - r)/2

u = x
v = z

x = x*5
y = y*5
z = z*5
