How can I make an inset plot with log axes?

Hello,

I'm trying to make plots that have insets. I would like for either the main plot, or the inset plot to have log axes.

I'm using the inset package from, http://www.mathworks.com/matlabcentral/fileexchange/28549-figure-inset

For some reason, semilogy doesn't seem to work properly with the inset package.

Thoughts?

Mark

Answer 1

[Cedric]

You could build the insert by yourself. Here is an example:

 % - Define dummy data.
 t = 0 : 0.1 : 10 ;
 yModel = sin( t ) .* exp( -0.2*t ) ;
 yData  = yModel - 0.5 + rand( size( yModel )) ;

 % - Create/init figure.
 figure(1) ;  clf ;  hold on ;  grid on ;
 set( gcf, 'Color', 'White' ) ;

 % - Build main plot/axes.
 plot( t, yModel, 'b' )
 plot( t, yData, 'rx', 'MarkerSize', 5, 'LineWidth', 2 ) ;
 ylim( [min(yData), 1.8*max(yData)] ) ;  % Create space for insert on top.
 xlabel( '\theta [rad]' ) ;

 % - Build new insert axes + plot.
 axes( 'Position', [0.6,0.65,0.3,0.25] ) ;
 yDiff = yData - yModel ;
 plot( [t; t], [zeros(size(t)); yDiff], 'm.-', 'MarkerSize', 5 ) ;

[Mark]

That works very well, thanks a lot!

Mark

[Cedric]

You're welcome.

Note that you can change the X and Y scales of either axes, by running e.g.

 set( gca, 'YScale', 'Log' ) ;

Actually, evaluate the following commands in the command line and see their outputs, and you'll understand how it works:

 set( gcf )
 set( gca )
 set( gca, 'YScale' )