Hello, maybe someone can explain how to achieve glow in Houdini Mantra? Something like: http://cgbabysteps.blogspot.com/2013/07/layered-shader-in-houdini-with-emission.html [cgbabysteps.blogspot.com]

There are multiple shaders that can do something like this, or fake something like this. I'd check out the glow shader in Mantra, or the ramp shader. You can also use a constant to emit light as well. Glow is traditionally done at the compositing stage though, where you add a glow based off the brightness in your layer.

Thank you.