Représentation isométrique de surfaces
Exemple 1
f(x,y) = cos(x*x+y*y)*exp(-x*x-y*y)
xmin,xmax,ymin,ymax=-2,2,-2,2
zmin,zmax=-0.5,0.8
from math import * from kandinsky import * xmin,xmax,ymin,ymax=-2,2,-2,2 zmin,zmax=-0.5,0.8 pas=50 def f(x,y): return cos(x*x+y*y)*exp(-x*x-y*y) def trace(): for j in range(pas): for i in range(pas): x = xmin + i/pas*(xmax-xmin) y = ymin + j/pas*(ymax-ymin) z = f(x,y) x2=(x-xmin)/(xmax-xmin) y2=(y-ymin)/(ymax-ymin) z2=(z-zmin)/(zmax-zmin) c = int(z) xe = int(120*(x2+y2)) ye = int(180+60*(x2-y2-2*z2)) set_pixel(xe,ye,(c,c,c)) trace()