Issue with hggroup and zlim

[David Bateman]

Ben Abbott wrote:
> On Sep 1, 2008, at 10:22 AM, David Bateman wrote:
> 
>> David Bateman wrote:
>>> 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.
>>>
>>>
>> Please use the attached instead, that moves the color definition  
>> inside the loop over the columns of the matrices so that  
>> __next_line_color__ is called for each column.
>>
>> D.
> 
> Ok, I've pulled a fresh copy of jwe's sources (from velveeta) and  
> built with no problems.
> 
> Unforunately, while the demos for plot3 run for me, but this example  
> fails
> 
> octave:1>> x=ones(10,1)*(1:10);
> octave:2>> y = x';
> octave:3>> z = x.*y;
> octave:4>> plot3(x,y,z)
> 
>       line 330: *All* edges undefined or out of range, thus no plot.
> 
> I have no idea what file the line number refers to. I added this as  
> another demo and the line reference changed to 110. I tried fgrep to  
> locate this error/warning/message but found nothing :-(
> 
> Ben


Try

axis ([0 10 0 10 0 100])

This is due to the unapplied changeset from Michael

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

for the bug that started this thread way back when ....

D.