How to Import Bitmaps into Unreal Engine 4
You can import nearly any bitmap into unreal.
Our download options include a bitmap selection but we cap those at 2k and they limit your ability to easily manipulate the textures to your liking.
The method we suggest utilizes Substance Player.
After opening the substance in Substance Player and adjusting it, choose the "Export as Bitmap" option. They can be output them as any format needed as long as it matches what Unreal Engine accepts.
The following Texture formats are supported:
| .bmp, .float , .pcx , .png , .psd , .tga , .jpg , .exr
.hdr - Cubemap Texture (LongLat unwrap)
The bitmaps should look as such:
The material can now be assembled using these bitmaps.
There are several important things to consider:
Making sure SRgb is unchecked on the roughness map, this can be done by double left clicking on the bitmap in the content browser:
There are times where the "Y" will need to be flipped on a normal map, this can be done by double left clicking on the bitmap in the content browser: