Is there any way to counter the transparent background showing as black? I have tried using a "Set alpha" node, but that has failed.

enter image description here

enter image description here

I was recently asked to add legible images. My bad. Here: enter image description here

Edit 2: The mask is intended to be used as an animated overlay. Edit 3: Add because I had no idea Alpha Over was a thing in Compositing nodes, and using Add here seems to do what I need it to do.

  • $\begingroup$ In the images you posted is very hard to read anything. Please use higher res images or show the relevant pieces in more detail. $\endgroup$ – user1853 Nov 14 '16 at 0:36


In the previous images, the node setup depicts the involvement of a "Mix" node. If you change "Mix" to "Add", you will obtain the results seen in the image here. The transparency targets everything black, resulting in what you see. enter image description here

  • $\begingroup$ This gets even better when you change the color space to "Raw", not "sRGB". cdn.discordapp.com/attachments/185590907947581440/… $\endgroup$ – Darknaviexe Nov 14 '16 at 0:38
  • $\begingroup$ Don't ever change the View transform to Raw. It's completely bogus and a complete mangling of the system. I'd also suggest that this answer is a complete mangling of comprehension about alpha and how it works, but I can't tell entirely from the sparse information. Perhaps if it were fleshed out a little more, a more fitting answer could be provided. $\endgroup$ – troy_s Nov 14 '16 at 4:00
  • $\begingroup$ So, avoid Raw at all costs? Also, how do you want this to be fleshed out? What details do I need to provide? I want this to be as clear and concise as possible, but I have no idea of what to do. $\endgroup$ – Darknaviexe Nov 14 '16 at 4:35
  • $\begingroup$ Raw is the View transform, and entirely irrelevant to your compositing needs. I suppose I would echo @cegaton's outline and ask more clearly what exactly you are hoping to achieve, what your two plates are individually, and what you are hoping for. Fair? $\endgroup$ – troy_s Nov 14 '16 at 4:43
  • $\begingroup$ @Darknaviexe Remember that we have no idea of what your are trying to do, and the images are not showing your intentions clearly. Please edit your question and clarify: What are you using the mask for? why are you using add instead of alpha over? please read; blender.stackexchange.com/questions/49049/… $\endgroup$ – user1853 Nov 14 '16 at 5:22

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.