4 Landscape + Auto Landscape & 4 textures, the Landscape sizes are 4033x4033 (recommended is for such a large map with unreal engine 4 set to Directx11 because you have more FPS)
the landscapes can also be changed as you want
the Auto Landscape material can be expanded
Landscape Video: https://www.youtube.com/watch?v=bNJ2nPMup8E&t=10s
Documentation: Link: https://www.youtube.com/watch?v=YSlLt5Dwc28&feature=youtu.be
Features:
Number of Textures: 4
Texture Resolutions: 2048x2048 and 4096x4096
Supported Development Platforms:
Windows: (Yes)
Mac: (Yes)
Documentation: Link: https://www.youtube.com/watch?v=YSlLt5Dwc28&feature=youtu.be
In this video I show you how you do everything.