Transparent surface with log axis
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Dear All!
I wish to use transparency for my surface plots by setting an alpha map. However, transparency disappears when I set a log scale on any of the axes, e.g.
[x,y] = meshgrid([-2:.2:2]);
z = x.*exp(-x.^2-y.^2);
surf(x,y,z+.001,'FaceAlpha','flat',...
'AlphaDataMapping','scaled',...
'AlphaData',gradient(z),...
'FaceColor','blue');
alphamap('vup')
colormap jet;
shading interp;
%This is transparent so far. Setting YScale however, kills transparency:
set(gca, 'YScale', 'log')
Any ideas how to resolve the issue?
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Oleg Komarov
le 18 Fév 2013
Modifié(e) : Oleg Komarov
le 18 Fév 2013
However, you can use a manual workaround. You need to calculate the log-transformation of your values (excluding the negative ones) for the desired axis and then set manually the ticklabels.
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