Visual stacking order of objects and plotyy

Hi,

I have created a graph using the PLOTYY command,

[AX, H1, H2] = plotyy(Xdata, Y1data, Xdata, Y2data, 'loglog', 'loglog');
uistack(AX(1), 'up');

I want to annotate the graph using "line", and I want these lines to be behind the existing data.

I have tried the following code:

h_line = line(x, y);
uistack(h_line, 'bottom');

which places the line behind the data of the left y-axis (i.e. AX(1)), but still on top of the data of the right y-axis (i.e. AX(2)).

Does anyone know how to change the stacking order of annotation objects such that they lay behind all existing data made using PLOTYY?

Thanks,

Luca

Answer 1

[Walter Roberson]

In order for a line drawn on one axes to appear behind a line drawn on another axes, the entire axes of the line must be behind the other axes.

You might end up having to use a third axes with the same position and axes limits as the first axes, but uistack()'d behind both other axes.

[Luca]

Thank you very much, it worked!

[Luca]

This is the code I used:

...

h_gca = gca;
gca_position = get(h_gca, 'Position');
AX_annotations = axes('Position', gca_position, 'Visible', 'off');
set(AX_annotations, 'XScale', get(h_gca, 'XScale'), ...
 'YScale', get(h_gca, 'YScale'), ...
 'XLim', get(h_gca, 'XLim'), ...
 'YLim', get(h_gca, 'YLim'));
line(......)
uistack(AX_annotations, 'bottom');