[Scilab-users] Stacked 2D plot in 3D

[Claus Futtrup]

Hi Samuel

Thank you. This thing with the direction of the lines is difficult to
"discover" by accident. :-)

... And thanks for the good help for param3d(1). I hope Scilab will adopt
it.

Best regards,
Claus

On Sat, Feb 3, 2018 at 8:02 PM, Samuel Gougeon <sgougeon at free.fr> wrote:

> Le 03/02/2018 à 18:35, Claus Futtrup a écrit :
>
> .../...
> The above code draws lines in the Y-axis direction. What I intended to do
> is to draw lines in the frequency-direction (x-axis direction). I see how
> e.children(i) manipulates the curves, but have failed to find a way to
> change this (= the direction of the lines). I looked also at the examle
> that Samuel gave with the plot3d3, where he draws a globe and can turn
> lines on/off in the two directions ... I also looked at the latest proposal
> by Samuel to updated param3d(1) and the lines in his last examples are
> drawn along the x-axis direction.
>
>
> What I intended to do is to draw lines in the frequency-direction (x-axis
> direction).
>
> Claus,
>
> There are 2 distinct things:
> a) the law you want to plot: Z(f)_theta or Z(theta)_f
> b) the direction along which you want to plot the chosen law at the
> varying parameter
>
> The only thing that you can't choose is that param3d1() plots each line
> from a particular triplet of X,Y,Z *columns*,
> for all columns.
> Then, you can do what you want.
> Here is again the param3d1() example, but in an asymetric version (a long
> and a short sides):
>
> [X, Y] = ndgrid(-11:0.5:9, -5:0.5:6); // x is the long side, y the short one
> clfsubplot(1,2,1)R = sqrt(X.*X + Y.*Y) + %eps;Z = sin(R)./R;param3d1(X, Y, Z, 150, 85, flag=[2,4])
> subplot(1,2,2)R = sqrt(X'.*X' + Y'.*Y') + %eps;Z = sin(R)./R;param3d1(X', Y', Z, 150, 85, flag=[2,4])
>
>
>
> Since this looks not trivial, i will change the example in the page to
> better illustrate both cases.
>
> Cheers
> Samuel
>
>
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