3D Scatter plot with error bars

[Mark Robinson]

Hi,

I have data that contains average x,y,z co-ordinates. To
plot their position and their variance I would like to draw
a 3D scatter plot with x,y,z error bars (indicating
veriance in each direction).

Firstly can this be done? I have only seen x error bars on
line graphs discussed in the help files.

Secondly it it possible to plot this data in a scatter plot.

Thanks
Mark

[checker]

All I could come up with quickly was the brute force method, and
perhaps this isn't really what a 3d scatter w/errors is all about.
But it was kind of fun. I'd like to hear from someone wise in the
ways of graphic handles wrt the point areas of a 3d scatter plot.
Maybe there's a smarter way to do this. Here's some rough code:

%poorman's 3dscatter w/errors
%create some data
x=20*rand(10,1); xl = x-.2*rand(10,1); xu= x+.3*rand(10,1);
y=20*rand(10,1); yl = y-.2*rand(10,1); yu= y+.3*rand(10,1);
z=20*rand(10,1); zl = z-.2*rand(10,1); zu= z+.3*rand(10,1);

for jj = 1:10
plot3([xl(jj);x(jj);xu(jj)],[y(jj);y(jj);y(jj)],
[z(jj);z(jj);z(jj)]);
hold on
plot3([x(jj);x(jj);x(jj)],[yl(jj);y(jj);yu(jj)],
[z(jj);z(jj);z(jj)])
plot3([x(jj);x(jj);x(jj)],[y(jj);y(jj);y(jj)],
[zl(jj);z(jj);zu(jj)])
end

-Chris