transparent hatches

[Francesco Sozzi]

Hi All,

I have a polygon layer with overlapped geometries and with several classes.
I use an hatch symbol into one class and I would like to set it transparent to see other polygons (of different classes) below.
The transparence attribute works only at layer level and if I use it I still have other classes of the same layer hided by the hatched upper polygon.
Is it possible to set transparency of an hatch symbol at symbol level or at class level?

Regards

Francesco
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