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I want to know if it possible to simulate an augmented reality situation in Blender without the elements negatively interact with one another. I already know about using the emission shader on a 2d object to simulate a flat appearance of it, but such a technique would have an impact on the interaction in a 3d enviroment (i.e undesired light would be casting on the environment). What would be a technique to bypass that?

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  • $\begingroup$ Use layers and render layers, the elements can remain independent and not interact at all and combine them using the compositor. $\endgroup$ – cegaton Jul 27 '16 at 4:12
  • $\begingroup$ See my answer here blender.stackexchange.com/questions/58272/… You can use the same technique to mix any two shaders. In your case you can have an emission shader for the visible component of the material and say a transparent shader for everything else, making the material virtually neutral to your scene and every other object. $\endgroup$ – Duarte Farrajota Ramos Jul 27 '16 at 4:14

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