Jagged Alpha Maps :(

Stockwell

Hey All!, I'm having some trouble with Alpha maps in UDK, I cannot figure out how to stop the map from causing so many jagged edges on the cards i'm using for the hanging spore sacs and the vines.

Is this a baking problem when baking the alpha down?

Or is this a compression problem in UDK?



Thanks so much!

-Stockwell

r4ptur3

if you are using BLEND_Masked, try moving the opacity clip value (right above the blend mode option in your material). this is the alpha's bias value -- it will tell UDK which pixels to cull once it hits the particular value. if your alpha is small and being stored as a single channel of a texture map you may have artifacting from UDK's compression. Try opening the texture file in UDK to check each channel for the stray pixels.