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I'm doing some solar system animations with Mathematica. I'm wondering if it's possible to somehow change the background of the result of a plot function so that whenever I paste it in a movie editor, it will be transparent (not white). An example code is:

Animate[Plot[Sin[x t], {x, 0, 2 Pi }], {t, 0, 1}]

Here, the background is white. I would like it to be transparent.

EDIT

I tried (simplified example code):

test=Plot[Sin[2 t], {x, 0, 2 Pi },Background-> None]
Export['test.jpg',test]

this resulted in:

planets

Is there any way of saving the file with a transparent background? Maybe the file extension is wrong?

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    $\begingroup$ Animate[Plot[Sin[x t], {x, 0, 2 Pi}, Background -> None], {t, 0, 1}] ? $\endgroup$ – Mr.Wizard♦ Jun 21 at 4:22
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    $\begingroup$ does this give what you need: testframe = RemoveBackground[Plot[Sin[2 x], {x, 0, 2 Pi}]] Export["testframe.png", testframe]? $\endgroup$ – kglr Jun 21 at 23:35
  • $\begingroup$ @kglr Yes, this is perfect, thank you! $\endgroup$ – Michał Kuczynski Jun 21 at 23:41
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I'm wondering if it's possible to somehow change the background of the result of a plot function

one option is to use Background option

Plot[Sin[x ], {x, 0, 2 Pi}, Background -> LightGray]

Mathematica graphics

Adjust the color as needed.

You can add Opacity as follows

 Plot[Sin[x ], {x, 0, 2 Pi}, Background -> Directive[Opacity[.2], Red]]

Mathematica graphics

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