How to make nodata appear as transparent

Hi,

I am trying to plot this map: [I,R]=geotiffread(myfile); geoshow(gca,I,R,'DisplayType','texturemap');

and I can not make the nodata values in my case -9999 to be transparent how you do that??? they always look whatever is the low limit color of my colorbar

Regards, --Nikos

Answer 1

[Walter Roberson]

set the nodata values to NaN.

[Nikos]

Already tried but still the same result, I am using matlab 2013a