to make a specific position of the surface image transparent

in making 3d image by 3d data,

I want to make low value of data transpartent so that portion of high value remains

i think some people interested that question (https://kr.mathworks.com/matlabcentral/answers/515658-make-white-portions-of-slice-of-flow-data-transparent). but i failed to apply .....

my code and results are in below. please somebody help me.

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%% CODE

C1(C1<2.1) = 10; % low value → high value (to highlight the high value data

H = slice(C1, [], [], 1:size(C1,3));

set(H, 'edgecolor', 'none', 'facecolor', 'interp'); alpha(.04);

colormap("hot"); axis equal; axis tight; grid off; caxis([0 4.5]); colorbar;

view(3)

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Answer 1

[형준 이]

I make it yeah!