Creating a 3d model of a terrain

This means your installation of MapWinGIS was successful.

The “_APIkey” is the last step.
You basically have to create a free account at, and the APIkey will be generated automatically.

  1. Got to: OpenTopography Data

  2. Make a new account:

  3. Copy the APIkey and plug it to “_APIkey” input of the “Terrain Generator” component:

That’s all.
Don’t share you APIkey here publically (by attaching a .gh file for example).