The XTickLabel command is not working properly.

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AM
AM 2016-10-9
评论： Marc Jakobi 2016-10-10
I am trying to set the 2D graph axis label using h.XTickLabel = dx*h.XTick. Problem comes when I am stretching the graph.
First I plotted the graph ticks as 0,80,160,240,300, using above command. However when I am stretching the figure, axis numbers changes. Matlab automatically created almost twice of subdivisions and now the axis ticks are 0,80,160,240,300,0,80,160,240.

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采纳的回答

Marc Jakobi
Marc Jakobi 2016-10-9
编辑：Marc Jakobi 2016-10-9
You could try
f = gcf;
f.ResizeFcn = 'h.XTickLabel = dx.*h.XTick;';
This will call
h.XTickLabel = dx.*h.XTick;
every time the figure resizes. However, if you would like to do this to more than one graphics object, you should put it in a separate function and put that function in the ResizeFcn.
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Marc Jakobi
Marc Jakobi 2016-10-10
编辑：Marc Jakobi 2016-10-10
If the variable dh is not in the workspace, you will have to save it. You could save it in the axes's UserData like this:
nh=100; nv=200;
dh=10; dv=5;
mat=rand(nv,nh);
subplot(2,2,2); imagesc(0:nh-1,0:nv-1,mat);
h=gcf;
ax = gca;
ax.UserData = dh;
g=get(gcf,'children');
h.SizeChangedFcn = 'set(gca,''XTickLabel'',get(gca,''UserData'').*get(gca,''XTick''));';
clear
However, for reasons of flexibility, I would recommend you write a separate function, since the above method will only work on a single subplot:
function axTickUpdate()
AX = findobj(gcf,'type','axes');
for i = 1:length(AX)
ax = AX(i);
ax.XTickLabel = ax.UserData.dh.*ax.XTick;
end
end
You can then create the figure like this:
nh=100; nv=200;
dh=10; dv=5;
mat=rand(nv,nh);
subplot(2,2,2); imagesc(0:nh-1,0:nv-1,mat);
h=gcf;
ax = gca;
ax.UserData.dh = dh;
g=get(gcf,'children');
h.SizeChangedFcn = 'axTickUpdate;';
clear
Marc Jakobi
Marc Jakobi 2016-10-10
NOTE: You will have to add dh to the UserData of each axes if you want it to work. Just set it to 1 if you don't want to manipulate the XTicks.

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更多回答（1 个）

Walter Roberson
Walter Roberson 2016-10-9
Set the xticklabelmode to manual
  1 个评论
AM
AM 2016-10-10
编辑：AM 2016-10-10
Hii Walter. Thanks for reply. I tried as you suggested but it didn't help.
Instead of it setting XTickMode = 'manual' could do the job.
Only problem with it is the axis limits are not set as desired.
E.g. axis ticks are plotted as : "0,50,100,.....400,450" .
Actually set of ticks should be :"0,50,100,.....400,450, 500".
Last tick label is missing each time I plot.

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