Insert text to the image in for loop

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Turbulence Analysis
评论： Turbulence Analysis 2021-5-15
Hi,
I am trying to insert text to the series of images being generated for each iteration in for loop. For instance, lets say for f = 1:1:200, at f = 1 ieration i need to insert text of t = 0 s likewise t = 0.0002 s, t = 0.0004 s, t = 0.0006s for f = 2, 3, 4 ans so on respectively..
Please help me with this..
  2 个评论
Turbulence Analysis
Turbulence Analysis 2021-5-14
I did tried as follows, but text getting overlapped on each image !!
for g = 0:0.00002:0.04
text(25,-35,['t= ',sprintf('%d',g)])
end

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采纳的回答

Rik
Rik 2021-5-14
编辑：Rik 2021-5-14
Instead of recreating graphics object every iteration of your loop, it is often faster to create the object once and then update the properties:
text_handle=text(25,-35,'');
for g = 0:0.00002:0.04
text_handle.String=sprintf('t= %.5f',g);
drawnow % force graphics update
end
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Rik
Rik 2021-5-14
编辑：Rik 2021-5-14
Ah, yes, sorry. I had at first set it print a 0 that way when initializing the object. I'll edit my answer. (you'll also have to change the FormatSpec to print the actual values, instead of telling Matlab to treat your values as integers)
Did this solve your question? If so, please consider marking it as accepted answer. If not, feel free to post a comment with your remaining issues.
Turbulence Analysis
Turbulence Analysis 2021-5-15
Yes.. I have sorted the issue..
I am using as follows, now its better
t = 0.0002 * (i);
text(5,-35,[sprintf('t = %g s', t)],'FontSize',18,'Color','b','Interpreter','latex');

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