I understand that, but somehow UE4 did it by itself when I imported my FBX file. **I would like to stick to the exact method that UE4 used to convert my height map to a normal map. **
My FBX file is of a humanoid. UE4 converts the body height map to normal map just fine, but the head height map does not get converted to normal map properly. Now I’m left with one map that UE4 was able to convert correctly and another that didn’t convert properly.
Like you said, I could convert both height maps in photoshop, but I’d rather have them both automatically and permanently converted with UE4.