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Alpha pointed out

I imported image as planes after enabling the add-on.

In First image , I have imported Image A as the BG and the alpha is numeric value and can be used to reduce opacity.

In second image, I have imported Image B as the BG but here I am not getting an alpha value to manipulate.

Based on @susu comments here is the nodes>Base Color Base COlor

I further went ahead and added a proper plane and using material I added the image as material. Doing the same you can see I get controlable aplha value. What I don't understand is why is the image coming out looking grey?? Plane is looking grey.

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  • $\begingroup$ open the nodes for the material. You will see that something is plugged to the input socket of the alpha channel. $\endgroup$
    – susu
    Commented Jul 5, 2020 at 18:18
  • $\begingroup$ In Image 1 , in nodes the Base Color is the image itself. In Image 2 the base color is white and I do not know how to change it to the new image. Did I diagnose it right? $\endgroup$ Commented Jul 5, 2020 at 18:38
  • $\begingroup$ And you might not need two planes, but just to combine the texture on one. $\endgroup$
    – susu
    Commented Jul 5, 2020 at 19:45
  • $\begingroup$ Added base color image to the main Q as I cannot add image to comment section. $\endgroup$ Commented Jul 6, 2020 at 3:48
  • $\begingroup$ Your second picture shows that the second image is a jpeg, which doesn't support an alpha channel. Use png or tiff there instead then. $\endgroup$ Commented Jul 6, 2020 at 18:29

1 Answer 1

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I exaggerated the problem due to lack to knowledge to application. I just needed to add BG's which can be reduced in transparency. I was given simple solution of add Image as refrence. It is easy transparency with no grey etc issue. Importing image as plane creates material complications which for SB work are unnecessary. Thanks for taking the time out to answer.

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