# Documentation

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# daspect

Set or query axes data aspect ratio

## Syntax

daspectdaspect([aspect_ratio])daspect('mode')daspect('auto')daspect('manual')daspect(axes_handle,...)

## Description

The data aspect ratio determines the relative scaling of the data units along the x-, y-, and z-axes.

daspect with no arguments returns the data aspect ratio of the current axes.

daspect([aspect_ratio]) sets the data aspect ratio in the current axes to the specified value. Specify the aspect ratio as three relative values representing the ratio of the x-, y-, and z-axis scaling (e.g., [1 1 3] means one unit in x is equal in length to one unit in y and three units in z).

daspect('mode') returns the current value of the data aspect ratio mode, which can be either auto (the default) or manual. See Tips.

daspect('auto') sets the data aspect ratio mode to auto.

daspect('manual') sets the data aspect ratio mode to manual.

daspect(axes_handle,...) performs the set or query on the axes identified by the first argument, axes_handle. When you do not specify an axes handle, daspect operates on the current axes.

## Examples

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### Equal Scaling Along Each Axis

Plot the function over the range and .

[x,y] = meshgrid(-2:.2:2); z = x.*exp(-x.^2 - y.^2); figure surf(x,y,z) 

Query the data aspect ratio to show the axis scaling.

daspect 
ans = 4 4 1 

Use equal scaling along each axis by setting the data aspect ratio to [1,1,1].

daspect([1,1,1]) 

## More About

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### Tips

daspect sets or queries values of the axes object DataAspectRatio and DataAspectRatioMode properties.

When the data aspect ratio mode is auto, the data aspect ratio adjusts so that each axis spans the space available in the figure window. If you are displaying a representation of a real-life object, you should set the data aspect ratio to [1 1 1] to produce the correct proportions.

Setting a value for data aspect ratio or setting the data aspect ratio mode to manual disables the MATLAB® stretch-to-fill feature (stretching of the axes to fit the window). This means setting the data aspect ratio to a value, including its current value,

daspect(daspect)

can cause a change in the way the graphs look. See the Stretch-to-Fill section of the axes description for more information.

## See Also

#### Introduced before R2006a

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