DAI Normal maps in Photoshop by MediAsylum, journal
DAI Normal maps in Photoshop
When a DAI DDS normal map texture is opened via nVidia plugin for Photoshop
with default options, it looks wrong (very light).
In one of my previous journal entries I suggested gamma correction 0.42 to fix that.
That was acceptable, but not a precise solution.
After trying some other methods, I found which adjustments will result in exactly perfect histogram for all color channels:
1) when DDS texture is opened use "Convert Images to 32 bits" option in "NVIDIA DDS Read Properties" window
2) convert it to 16bits/Channel with default "Exposure and Gamma" method
3) apply Levels adjustment with gamma 0,45
These steps will result in perfec