Nvidia dds format: http://www.namipan.com/d/DDS%20FORM%e6%8f%92%e4%bb%b6.rar/85ef5cdea8761b8cda8e4775477570fe258553241b2c0b00
Put "file formats" and "filters" in the decompressed package to the "Efficiency Enhancement Tool" folder under your Photoshop installation directory ~
For example, c: \ Program Files \ Adobe \ Photoshop CS \ Efficiency Enhancement Tool folder ~
Start Photoshop ~ Find the bottom NVIDIA tools → normalmapfilter in the filter.
For example:
Set the corresponding options ~ Click OK to generate a line chart ~
The final result is as follows ~
This time, you can easily create various normal maps ~ This will make your patch materials more perfect ~ This is the principle of reflective effect ~ Green: High-light area ~ Blue-purple indicates the base area, and red indicates the dark area ~
Reference page address: http://developer.nvidia.com/object/photoshop_dds_plugins.html