Generate Terrain from DGM

[Besjan]

https://fbinter.stadt-berlin.de/fb/berlin/service_intern.jsp?id=a_dgm@senstadt&type=FEED

• [x] Create 2000x2000 tiles
• [x] Locate and move centre tile at scene centre
• [x] Shift other tiles relative to centre tile
• [ ] Fix tile / patch stitching
  • [x] Change heights back to array
  • [x] Pass tile resolution properties to mesh creation
  • [x] Implement full res tile
  • [ ] Implement full horizontal res tile
  • [ ] Implement full vertical res tile
• [x] Convert mesh to terrain (skip it for now, might have more control with mesh terrain): https://lmhpoly.com/convert-mesh-to-unity-terrain/

[Besjan]

Skip it, will create terrain data