Issue with hggroup and zlim

[David Bateman]

Ben Abbott wrote:
>
> I think that depends upon compatibility in other areas.
>
> Trusting my memory, plot3 (<real_matrix>, <real_matrix>, 
> <real_matrix>) produces a series of 3D lines in Matlab, but produces a 
> single line in Octave ... the Octave result will zig-zag (see the code 
> below)
>
>      [x, y] = meshgrid (0:10, 0:10);
>      z = x.*y;
>      figure(1)
>      clf
>      plot3 (x, y, z)
>
> Same for plot3 (<real_matrix>, <complex_matrix)
>
>      y = y + 1i*z;
>      figure(2)
>      clf
>      plot3 (x, y)
>
> This issue is what I think needs attention, and I have a faint 
> recollection that maintaining the complex_vector/matrix feature was 
> problematic.
>
> Ben
>
Ok, this is clearly a bug. I think the attached addresses this. and now

 [x, y] = meshgrid (0:10, 0:10); z = x.*y; figure(1); clf; h = plot3(x,y 
+ 1i *z); zlim(0,100)

and

 [x, y] = meshgrid (0:10, 0:10); z = x.*y; figure(1); clf; h = 
plot3(x,y,z); zlim(0,100)

both work correctly on my machine. Note the zlim is needed to get around 
the issue addressed in

http://hg.tw-math.de/octave-graphics-mq/rev/7747c2f2f3ed

D.



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