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How I can offset the airfoil geometry inward and outward?

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Prinson Chandy
Prinson Chandy 2018-7-26
评论： James Clinton 2018-8-7
Airfoil geometry is made of [x,y] values.

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James Clinton
James Clinton 2018-7-26
It sounds like you just need "z" dimension values. Find the number of points using size(), then you can put the airfoil at a constant z-value by setting all z-values the same.
To offset in the x-direction, just add or subtract a constant from all x-values. Similarly, to offset in the y-direction, a constant must be added or subtracted from the y-values.
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James Clinton
James Clinton 2018-8-7
Concatenate x and y vectors together to create an array then use unique to get rid of duplicate points. For example, if x and y are column vectors:
M = [x y];
A = unique(M,rows);
xnew = A(:,1); ynew = A(:,2);

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