There is a white halo around my object when I capture it using the transparency feature.
polycount sponsor
Hey, so I'm trying to use the transparency feature so I can composite my render to a background plate, but there is this annoying 1 pixel white edge around my image that is not there when I render it with a background image. How do I go about fixing this, it's like the alpha channel Toolbag outputs is incorrect.
For example doing a render with a solid colour background looks fine, but if you render with transparency then comp the same image to the exact same background colour you get this edge. This problem is solved in offline rendering by turning premultiplied alpha off, Toolbag seems to do this, but then gets the alpha channel wrong or something. Below is an animated .gif so the white edge appearing when comping the transparent image.
Actually what it looks like is the edge alpha is not being antialiased like the rest of the image.
For example doing a render with a solid colour background looks fine, but if you render with transparency then comp the same image to the exact same background colour you get this edge. This problem is solved in offline rendering by turning premultiplied alpha off, Toolbag seems to do this, but then gets the alpha channel wrong or something. Below is an animated .gif so the white edge appearing when comping the transparent image.
Actually what it looks like is the edge alpha is not being antialiased like the rest of the image.