Dear All
I've not been using scilab for a while, but I've a good opportunity to dive
into it once again ;-)
Is there a tool implemented into Scilab to determine the cross section of a 3D
(experimental) surface and a plane?
Note that :
- the curve has not a Cartesian equation and it is composed of a point
cloud coming for experimental measurement,
- ideally the tool looks for the closest out of plane points in order
to perform interpolations
Before reinventing the wheel, I'm wondering if something exists.
Nb: I built a saddle surface, but of course only points (not necessary equally
spaced) exist in the real life.
Thanks for any advice and suggestion
Paul
function [z]=saddle(x, y)
z = x^2 - y^2
endfunction
// surface making ... of course in the real life the surface comes from
exprimental data (no cartesian equation is attached on))
n = 50;
x = linspace(-2,2,n)';
y = linspace(-1,3,n)';
z = feval(x,y,saddle);
plot3d(x,y,z);
// plane equation: ax + by + cz + d = 0
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