   2 Textures smooth mixed on Ground via alpha
  hii have a large landscape and i want to knowif the following idea is possible:i color the landscape with diffuse alpha,r,g,busing one texture..that works fine...but...is it possible with any texturestage settingto see the first texture if alpha on thevertex is 0 .. see full of an second texture  if alpha=FFand a mix of both if alpha betweeni want to get a smooth line between 2 texturesand use the alpha of vertices to control it(i dont need more than 2 textures)much thx for any help 