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I'm very new to blender. I animated this model:

Screenshot

I want to use this animation in a video. I use chroma key to take away the background but it's impossible to do this when the green color from the background reflects on the door(see image). I did change the Environment and Indirect lighting but it did'nt help. I tried many things but nothing worked. Can someone help me out?

EDIT I'm in blender render mode.

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    $\begingroup$ Using a green background is completely unnecessary. You should be able to export a clean alpha channel out of blender. $\endgroup$
    – user1853
    May 2, 2016 at 16:49
  • $\begingroup$ If you wan't to use a video format that doesn't support alpha, you can also render out a black and white matte. $\endgroup$
    – GiantCowFilms
    May 2, 2016 at 17:37

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You Don't have to use chroma,You can just render the video in alpha channel.

Cycles:

To do so,You just have to check transparent film panel: T

This will render the background as Alpha but the reflections will be still here.

To remove the colored reflection,Uncheck use Environment in render layer:

U

Blender Internal:

You just have to Uncheck Sky in render layers:

S

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  • $\begingroup$ Thank you, but is it possible too in "blender-render"? $\endgroup$
    – natwaalf twaalf
    May 2, 2016 at 16:11
  • $\begingroup$ Sorry, I did already: same result $\endgroup$
    – natwaalf twaalf
    May 2, 2016 at 16:25
  • $\begingroup$ You did the process under the blender Internal?Can you add another screenshot after the Sky checked? $\endgroup$
    – Omar Emara
    May 2, 2016 at 17:37
  • $\begingroup$ -1 This doesn't actually answer the asked question. Adding alternate suggestions for a better method to achieve an end result is okay; however, answering the actual question is also important, since other people may read this question and still want to achieve, for different reasons, what the question originally asked to do. $\endgroup$
    – GiantCowFilms
    May 2, 2016 at 17:54
  • $\begingroup$ @GiantCowFilms I answered the question without any alternatives,he never said anything about file format,Most of us probably render a PNG image sequence not a video anyway. $\endgroup$
    – Omar Emara
    May 2, 2016 at 18:03
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I believe what you are trying can be accomplished by turning off everything except Camera in the ray visibility window in the world menu.

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settings

For anyone who still sees this in Blender 2.8: go to Materials -> Surface and there you can set the strength to "Is Camera Ray".

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