jzaremba / guiqwt

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Is it possible to display an image in log scale #48

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago
With scientific images, usually we have a great dynamic so it is very 
convenient to plot them in logscale.

Indeed I can transfor the image with something like this

numpy.log(1 + img + img.min())

but , I want when I read the stat of the image, data based on the real values, 
not the transformed one.

Or with the shift button to read the real z valu of the image not the log of 
this value.

thanks

Frederic

Original issue reported on code.google.com by pi...@synchrotron-soleil.fr on 18 Mar 2013 at 3:17