Real Terrain Maker is an easy tool for creating terrain with the real geographic data. Specifies the geographic coordinates, and make a terrain of anywhere on the earth in a few clicks. This plugin runs depending on the Google/Bing/Mapbox map service, which requires Elevations API and Staticmap API key.

V2.4:
A new setting panel of default_shader is added for unity2018 and newer versions.
Basic feature or RTM works well with LWRP and HDRP.


Features:
Real Elevation data:
  Using the elevation data of Google map, Bing map, and Mapbox, over 30 meters in most of the Earth areas. When you meet problems such as lack of data in a certain area, try another data source if one is not so satisfactory.

Easy setting:
  To make a terrain faster or in high quality, simulate the real world or make an extravagant land. All setting can be made in a few clicks. Your keys and settings will be saved, no need to remember the location you generated last night.

Save in many types:
   The data downloaded can be saved in mesh, terrain, and prefab. The material is created automaticity. You can share the terrain you made with others without a hitch. With a combine and save tool, You can combine and save the generated mesh to prefab and unity terrain at any time.

Basic Materials:
  Several materials such as contour ,grid , gradient and multiple texture height shader . It's possible to add some snow at the top of mountains and lava in the valley.

Height Map:
  A heightmap file will be saved after the terrain generated. You can generate a new terrain with the premade height map at any time.

Style Setting:
  Can generate a terrain of low-poly/smooth style and set a default material before generating them. You can also set the default layer for the use of infinite map.

Map Types:
  Besides satellite, three more types of terrain texture supported. It is convenient for making a 3D map. Image saved in a folder for each time the generate starts.

Random Map:
  One selectable option to generate a random map is provided. It can be used to save time when doing tests or just make an infinite random terrain in a game.

Run Time Infinite Map:
  Download the map texture and elevation data automaticity while running the game.

Diagnosis Tool:
  Check the network condition and API key state. If you are not sure about why RTM work incorrectly, try the Diagnosis tool to find out.

Smooth style:
  Make a smooth terrain with a smaller sample.

have any advice, please reply here : Forum Thread
User Guide
Demo1
Demo2