Visual stacking order of objects and plotyy

2012 5 28
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更新时间：2019 8 13
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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

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Walter Roberson
Walter Roberson 2012-5-29

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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.

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Luca
Luca 2012-5-29
Thank you very much, it worked!
Luca
Luca 2012-5-29
编辑：Adam Danz 2019-8-13
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');

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