Re: stem plot problem [changeset]

[Ben Abbott]

On Oct 17, 2008, at 2:45 PM, John W. Eaton wrote:

> I'm seeing the following problem with the current development sources
> (this is demo 7 in stem.m):
>
>  octave:1>  x = [0:10].';
>  octave:2>  y = [sin(x), cos(x)];
>  octave:3>  h = stem (x, y);
>  octave:4>  set (h(2), "color", "g");
>  octave:5>  set (h(1), "basevalue", 1)
>  error: number of rows must match (33 != 11) near line 468, column 33
>  error: called from:
>  error:   /home/jwe/src/octave/scripts/plot/__go_draw_axes__.m at  
> line 468, column 24
>  error:   /home/jwe/src/octave/scripts/plot/__go_draw_figure__.m at  
> line 56, column 8
>  error:   /home/jwe/src/octave/scripts/plot/gnuplot_drawnow.m at  
> line 68, column 5
>
> The problem appears to be this concatenation at line 465 in
> __go_draw_axes__.m:
>
>               data{data_idx} = [xdat, ydat]';
>
> Again, I don't understand what is supposed to be happening, or why
> xdat has 11 elements and ydat has 33 at this point.  I could use
> some help fixing this problem.
>
> jwe

Ok, taking a fresh look at __stem__.m this morning the problem was  
quite clear.

The subfunction "move_baseline" presumed the old ordering of children.  
Recently the order was changed so that the kids(end) are the elder and  
kids(1) the youger. The attached trivial changeset fixes the problem.

Ben

changeset-__stem__.patch
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