(octave.info)Aspect Ratio

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15.2.2.1 Aspect Ratio
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For three-dimensional plots the aspect ratio can be set for data with
‘daspect’ and for the plot box with ‘pbaspect’.  Note: Axis
Configuration, for controlling the x-, y-, and z-limits for plotting.

 -- : DATA_ASPECT_RATIO = daspect ()
 -- : daspect (DATA_ASPECT_RATIO)
 -- : daspect (MODE)
 -- : DATA_ASPECT_RATIO_MODE = daspect ("mode")
 -- : daspect (HAX, ...)
     Query or set the data aspect ratio of the current axes.

     The aspect ratio is a normalized 3-element vector representing the
     span of the x, y, and z-axis limits.

     ‘daspect (MODE)’

     Set the data aspect ratio mode of the current axes.  MODE is either
     "auto" or "manual".

     ‘daspect ("mode")’

     Return the data aspect ratio mode of the current axes.

     ‘daspect (HAX, ...)’

     Operate on the axes in handle HAX instead of the current axes.

     See also: Note: axis, Note: pbaspect, Note:
     xlim, Note: ylim, Note: zlim.

 -- : PLOT_BOX_ASPECT_RATIO = pbaspect ( )
 -- : pbaspect (PLOT_BOX_ASPECT_RATIO)
 -- : pbaspect (MODE)
 -- : PLOT_BOX_ASPECT_RATIO_MODE = pbaspect ("mode")
 -- : pbaspect (HAX, ...)

     Query or set the plot box aspect ratio of the current axes.

     The aspect ratio is a normalized 3-element vector representing the
     rendered lengths of the x, y, and z axes.

     ‘pbaspect(MODE)’

     Set the plot box aspect ratio mode of the current axes.  MODE is
     either "auto" or "manual".

     ‘pbaspect ("mode")’

     Return the plot box aspect ratio mode of the current axes.

     ‘pbaspect (HAX, ...)’

     Operate on the axes in handle HAX instead of the current axes.

     See also: Note: axis, Note: daspect, Note:
     xlim, Note: ylim, Note: zlim.