Graph a scatter plot on top of a bar graph with different x- and y-axes

Question

Carson 2011-7-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/12157-graph-a-scatter-plot-on-top-of-a-bar-graph-with-different-x-and-y-axes

评论： Jose Vilela 2015-10-21

I need to plot a scatter plot on top of a bar graph. Each of the two plots has both a different x-axis and y-axis. I tried using the instructions for using "Multiple X- and Y-Axes" on Matlab's site to no avail. Here's the code I used:

hl1 = bar(barData', 'stacked');
xlim([0 900]);
ylim([0 1]);
ylabel('Percent of watershed land area');
ax1 = gca;
set(ax1, 'XColor', 'r', 'YColor', 'r');
ax2 = axes('Position', get(ax1, 'Position'), 'XAxisLocation', 'top', ...
    'YAxisLocation', 'right', 'Color', 'none', 'XColor', 'k', 'YColor', 'k');
hl2 = scatter(POLN_PLOT, COST_PLOT, 'filled', 'Parent', ax2);

When I run the code, the first graph (bar graph) gets overwritten by the second graph (scatter plot). Both the red and black axes appear on top of one another. What I want is for the black axis to appear at the right and on the top of the plot.

I'm not experienced with using handles or properties, so I was hoping someone might be able to show me the best way to go about this. Thanks in advance!

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Answer 1

Carson 2011-7-21

1
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/12157-graph-a-scatter-plot-on-top-of-a-bar-graph-with-different-x-and-y-axes#answer_16673

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Nevermind - I figured it out myself. You just have to add a few hold() statements:

bar(barData', 'stacked');
xlim([0 900]);
ylim([0 1]);
ylabel('Percent of watershed land area');
ax1 = gca;
set(ax1, 'XColor', 'r', 'YColor', 'r'); 
hold(ax1, 'all');  %   <--------------------------------
ax2 = axes('Position',get(ax1,'Position'),'XAxisLocation','top',...
    'YAxisLocation','right','Color','none','XColor','k','YColor','k');
hold(ax2, 'all');  %   <--------------------------------
scatter(POLN_PLOT, COST_PLOT, 'filled', 'Parent', ax2);