custom alpha-data in surface plot

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Björn
Björn 2013-9-18
评论： Björn 2013-10-4
I am plotting multiple surfaces in one figure. Now I want to make the areas of the plot close to zero a transparency-gradient. For example
if z(i,j) >= 0 && z(i,j) <= 0.1
transparancy(i,j) = 1-z(i,j)/0.1;
else
transparancy(i,j) = 0;
end
I tried using the 'alpha' function and the colormap method but didn't succeed. Can anybody help me on my way?

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回答（1 个）

Walter Roberson
Walter Roberson 2013-9-18
Do not use the alpha function: use the AlphaData property of the surface object.
surf(z, 'AlphaData', transparancy)
  1 个评论
Björn
Björn 2013-10-4
I tried this but it doesn't change anything. Do you have another suggestion?

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