www.gusucode.com > 《matlab图像处理与界面编程宝典》秦襄培 编著，每章的MATLAB源代码程序 > 第8章/代码8-4.txt

    
 [x,y,z] = meshgrid(-1.25:.1:-.25,-2:.2:2,-2:.1:2);
v = x.*exp(-x.^2-y.^2-z.^2);
h = slice(x,y,z,v,[-1 -.75 -.5],[],[0]);
alpha('color')
set(h,'EdgeColor','none','FaceColor','interp',...
'FaceAlpha','interp')
alphamap('rampdown')
alphamap('increase',.1)
colormap(hsv)