I am currently working on a project converting svgs to textures. One of them is being used as an opacity map. When first tried it looked like this
I guess the green for whatever reason gets alphad out. Easy fix, just change the color channel to A. So I go to the material to do that and:
The option isnt there, as apparently it only shows up with a texture. And because this is for creating textures on the fly there are no textures files in the project. I had to import a texture for the sole purpose of being able to change a single value:
With the color channel set to alpha the texture renders properly:
This is not that big of a deal, as simply importing a texture fixes the problem, but I would rather not have a texture in the files as the purpose of the project is to demonstrate creating textures without any in the files: