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Hello, I have splines with octane instance tag on them, rendered as hair is enabled and I assigned emission material to it... all good but when i set the scene up the splines are good but the environment is not iluminated by those splines enough, so I increased the emission in the material but the problem is that those splines are completely white...

So my question is what is the right work flow for this situation when I want some emission object to have my desired look and be emissive at the same time and be iluminating the environment as I wish?

I have already tried to use object tag and hide one object from the camera and make duplicate and let it to be seen but this also does not work because the hidden object also hide the another at the same place.

Hi,
assuming you are working in c4doctane, please have a look at here on how to add an hidden emitter to reduce the complexity of the visible emitter:
viewtopic.php?f=30&t=67076&p=337289&hilit=visible+on+diffuse#p337289

ciao,
Beppe

bepeg4d wrote:Hi,
assuming you are working in c4doctane, please have a look at here on how to add an hidden emitter to reduce the complexity of the visible emitter:
viewtopic.php?f=30&t=67076&p=337289&hilit=visible+on+diffuse#p337289

ciao,
Beppe

This ^
Exactly what I suggested in the other place where you ask. This is the way to go.