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

2011 7 21
1 个回答
更新时间：2015 10 21
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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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回答（1 个）

Carson
Carson 2011-7-21

1 个投票

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);
Hope this helps someone else out and saves them some time!

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Carson
Carson
2011-7-21

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Jose Vilela
Jose Vilela
2015-10-21

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