如何在MATLAB的图中为刻度标签分配多种颜色? [英] How can I assign multiple colors to tick labels in plots in MATLAB?

问题描述

是否可以在MATLAB中的一个轴上为单个数字(或一组数字)着色?

Is it possible to color a single number (or a set of numbers) on one of the axes in MATLAB?

假设我有一个情节:

plot(1:10, rand(1,10))

现在，例如将x轴上的数字3设为红色?

Now, can I e.g. make the number 3 on the x-axis red?

推荐答案

不幸的是，一个轴对象中的刻度标签不能有多种颜色.但是，有一种解决方案(受此页面的启发可以达到相同的效果.它将现有轴与另一个只有一个红色刻度的轴重叠.

Unfortunately, you cannot have multiple colors for tick labels in one axes object. However, there's a solution (inspired by this page from MathWorks support site) that achieves the same effect. It overlays the existing axes it with another axes that has only one red tick.

这是一个例子:

figure
plot(1:10, rand(1,10))
ax2 = copyobj(gca, gcf);                             %// Create a copy the axes
set(ax2, 'XTick', 3, 'XColor', 'r', 'Color', 'none') %// Keep only one red tick
ax3 = copyobj(gca, gcf);                             %// Create another copy
set(ax3, 'XTick', [], 'Color', 'none')               %// Keep only the gridline

结果是:

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