getting plot projection in 3d

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Usman Ali
Usman Ali 2013-1-30
hi, i was searching for getting projection of plots in 3d view, i found a nice shadowplot function for this purpose i am trying to use it for 3d vectors after plot3(..) but not successful. it only works with mesh/surf plots. help
  1 个评论
Jan
Jan 2013-1-30
编辑：Jan 2013-1-30
Please mention any details about the "nice shadowplot function" you have found. We cannot guess which function this is.

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回答（2 个）

José-Luis
José-Luis 2013-1-30
编辑：José-Luis 2013-1-30
aH = axes;
your_data = randn(1000,3);
oneMat = ones(size(your_data,1),1);
plot3(your_data(:,1),your_data(:,2),your_data(:,3),'b.');
hold on
xL = get(aH,'XLim');
yL = get(aH,'XLim');
zL = get(aH,'XLim');
plot3(oneMat .* xL(2), your_data(:,2), your_data(:,3), 'k.');
plot3(your_data(:,1), oneMat .* yL(2), your_data(:,3), 'k.');
plot3(your_data(:,1), your_data(:,2), oneMat .* zL(1), 'k.');
grid on
Please accept an answer if it helps you.
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Usman Ali
Usman Ali 2013-2-6
let's say i have to plot a sin and cos in complex plan with their shadows on the walls t = 0:pi/50:10*pi; plot3(t,cos(t),sin(t)); if i apply shadowplot x or shadowplot y nothing happens...
José-Luis
José-Luis 2013-2-6
That's because you are talking about points. The "shadow" of a point is a point, the "shadow" of a surface is a surface.

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Jan
Jan 2013-1-30
What about using surf instead of plot3 when the function you have found works for surf, but not for plot3? There are a lot of examples for surface plots in the FileExchange, search for e.g. "arrow".
  2 个评论
Usman Ali
Usman Ali 2013-1-30
does surf works for vectors :/
Jan
Jan 2013-1-30
Yes. It depends on how you define the inputs.

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