Create grouped bar chart using figure handle

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Christian Carstensen
评论： Christian Carstensen 2018-9-23
Hello mad labbers
I'm having trouble creating a grouped bar chart using figure handles.
It ends up being stacked instead of grouped when adding data to it using its handle. The two cases below illustrates the problem - A gives the intended plot, but the plot in B is stacked instead of grouped.
Does anyone if one can get plot A using a handle as in B?
x = [1 2 3];
y1 = [3 6 8];
y2 = [6 5 3];
Case A:
y = [y1; y2]';
ax = subplot(1, 2, 1);
hold(ax, 'on');
bar(ax, x, y, 'grouped')
xlabel('A')
Case B:
ax = subplot(1, 2, 2);
hold(ax, 'on')
bar(ax, x, y1, 'grouped');
bar(ax, x, y2, 'grouped');
xlabel('B')

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jonas
jonas 2018-9-23
编辑：jonas 2018-9-23
I don't know what you mean by figure handles. However, when you call the bar function mutliple times the outputs are independent of one another and thus become stacked like in your example. What you can do to avoid this is to pad the data with nans.
ax = subplot(1, 2, 2);
hold(ax, 'on')
bar(ax, x, [y1;nan(size(y1))]', 'grouped');
bar(ax, x, [nan(size(y2));y2]', 'grouped');
xlabel('B')
  1 个评论
Christian Carstensen
Christian Carstensen 2018-9-23
Thank you, Jonas! Perhaps I was being a little uncareful with the wording, but I simply meant the ax object when I referred to 'figure handles'. The plural was unnecessary.

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