I want to rescale a contourf plot when I zoom in and out

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jlt199 2016-6-1

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/286872-i-want-to-rescale-a-contourf-plot-when-i-zoom-in-and-out

Ok, I will do my best to describe this. I have a matrix that I've plotted using a contour plot. The matrix is very feature rich, lots of peaks and troughs. However, The first and last few rows of the matrix are excessively large. Therefore most of the feature in the middle become hidden because the contours are so big to compensate.

I would like to attach some code to the zoom feature of the figure to rescale the contours after I have zoomed in/out on the figure, to only scale for what is currently being shown. This is how far I have got:

figure;
contourf(thisSec')
g = colorbar;
h = zoom;
h.ActionPostCallback = 'rescale(thisSec)';

Where my rescale function is currently:

function [] = rescale(myData)
Xlimits = round(get(gca,'XLim'));
Ylimits = round(get(gca,'YLim'));
thisData = myData(Xlimits(1):Xlimits(2),Ylimits(1):Ylimits(2));
maxData = max(max(thisData));
minData = min(min(thisData));
caxis([minData maxData]);