purpose of daspect in matlab

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Sara AR
Sara AR el 25 de Nov. de 2019
Respondida: Payas Bahade el 28 de Nov. de 2019
I am trying to figure out why do we use the daspect. I use daspct[1,1,1] and i know it for equal data unit lengths in all directions, but what is the purpose of that?

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Payas Bahade
Payas Bahade el 28 de Nov. de 2019
Hi Sara,
Function ‘daspect’ is used to control the data unit length along each axis. This can help to better visualizing data.
In 3-D scatter chart example given below, setting daspect([1 1 1]) helps better visualize plotted data by making it less cluttered.
X = rand(100,1);
Y = rand(100,1);
Z = rand(100,1);
scatter3(X,Y,Z)
daspect([3 2 1])
Output :
Capture1.PNG
Output with daspect([1 1 1]) :
Capture2.PNG
Also, ‘daspect’disables the ‘stretch-to-fill’ behavior of plot i.e. resizing of plot window doesn’t change data axis aspect ratio so that there is no distortion in plotted data.
For detailed information on ‘daspect’, please refer this documentation link.
Hope this helps!

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