Animating a circle based on diameter data
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I have two columns of data. In one is the frame number (which I may convert to time in nanoseconds) and in the other is the diameter of an object at that frame or time. I would like to create an animated circle, where the circle is animated based on the changing diameter. For example, at frame 0 the diameter is 10 nanometers, at frame 1 the diameter is 9.5 nanometers, at frame 2 the diameter is 9 nanometers, and so on for about 4,000 frames. I would like to create a circle that is animated, changing by those diameters per frame. Can someone help with this? Thanks!
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Ameer Hamza
2018-4-26
编辑：Ameer Hamza
2018-4-27
Here is a general sketch to create such animation. This code will write the animation frames to a video, you can modify the code according to your requirement.
animationWriter = VideoWriter('animation_file');
open(animationWriter);
for i=1:4000
% create data for circle plot or any other processing you want to do
f = ....; % write your plotting command here using plot() or any other graphics primitive
frame = getframe(gcf);
writeVideo(animationWriter, frame);
end
close(animationWriter);
3 个评论
Ameer Hamza
2018-4-26
This reference also provides an excellent demo.
Kelly McGuire
2018-4-27
Ameer Hamza
2018-4-27
1) You will need to input file name in quotes e.g. 'myFile'.
2) I put ... in my code for you to fill. You can write your own code there. You can plot whatever you want there and it will create an animation based on plots you create.
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