Textures with Alpha (Transparency) for use in Glass Panes

[chaimlukas.maier]

Hello,

I am trying to create a Glass panel that is only transparent in some areas.
But when I imported a PNG with transparency data, all transparent areas are displayed as if they were black.
Is there a way to change this behaviour?

Thanks!

[TrippyLighting · Accepted solution]

Many of the materials have a section called "cutout" in the advanced features. I used a  a black/white image for this quick render: