Using alpha with an imageTexture
Posted: Thu Nov 23, 2017 3:47 pm
Possibly the stupidest noob question here - so apologies in advance. Apparently "alpha" is too common a term to search for on the forums (some mistake?!)
I'm trying to load a texture which has alpha into an imagetexture node. I've tried png, psd, tga, tif - and none of them work. Using PSDs in C4D usually means you have to select the layers you want to use, but the imagetexture node doesn't seem to have that option. The image is just a square 3k texture with a logo on transparent background; I've created a separate alpha channel in Photoshop in case it needed that, but that didn't fix anything.
Choosing "Type -> Alpha" seems to treat the *visible* (RGB) data as the alpha channel, so in this case I get a whilte-out logo on black BG, which I don't want. I've attached a screenshot of the setup - the logo needs to appear in what is currently a white patch on the digger arm.
How do I use the alpha channel in the normal way like it works on every other piece of graphics software?
I'm trying to load a texture which has alpha into an imagetexture node. I've tried png, psd, tga, tif - and none of them work. Using PSDs in C4D usually means you have to select the layers you want to use, but the imagetexture node doesn't seem to have that option. The image is just a square 3k texture with a logo on transparent background; I've created a separate alpha channel in Photoshop in case it needed that, but that didn't fix anything.
Choosing "Type -> Alpha" seems to treat the *visible* (RGB) data as the alpha channel, so in this case I get a whilte-out logo on black BG, which I don't want. I've attached a screenshot of the setup - the logo needs to appear in what is currently a white patch on the digger arm.
How do I use the alpha channel in the normal way like it works on every other piece of graphics software?
