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I know how to add a material to a plane and then apply an Image Texture to that plane. I know how to make it appear in the 3D Viewport, Edit Mode, and the final render.

I want a way to make one Image Texture fade into another one using purely material nodes. This should be able to be achieved via two keyframes that are visible in the Timeline or Dope Sheet. I have tried applying two textures to one material and two separate textures onto two separate materials, though I have found that I can't particularly assign two materials at once without scripting or the compositor. These are my questions, basically. They're fairly related, so I figured I'd ask them both at once.

  • How can I set up an Image Texture to "fade off" (dissolve into a Diffuse BSDF or other blank material) in an animation render on a plane object?

  • Second, how can I make an image fade transition, via two frame keys in an animation render without the compositor or scripting? Is this possible on precisely one plane or surface, or must I use two coinciding surfaces?

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    $\begingroup$ edit and post the text of your question here, put some effort in asking your question if you are serious about it and want an answer. $\endgroup$ – user2816 Jun 9 '16 at 6:00
  • $\begingroup$ I am trying to get blender to do a colour or alpha "fade out" from one texture to another texture on the same object behind it. However I can't insert prior and later key frames and get anything to animate. I could I animate a fade out like this on only one object's material with two textures? $\endgroup$ – user1544 Jun 9 '16 at 8:56
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    $\begingroup$ related: blender.stackexchange.com/questions/36748/… $\endgroup$ – user1853 Jun 9 '16 at 14:15
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You can use the node setup at the bottom of the following images and keyframe the Mix Shader's Fac: value from 0-1. Obviously load one image into one node and another into the other node.

Fac: at 0, notepad showing:

enter image description here

Fac: at 1, bricks showing:

enter image description here

If you wish, the pictured .blend file with the nodes can be downloaded right here:

If you want to fade into a Diffuse BSDF, just don't include one of the Image Textures and still keyframe the same value.

Fac: at 0, notepad showing:

enter image description here

Fac: at 1, Diffuse BSDF showing:

enter image description here

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