Incorrect stripes on satmap and/or ground

[jetelain]

The issue might be related:

• tiling algorithm
• automatic size of
  • tile size
  • land range
• wrp material indexes

Known erroneous cases:

• 2048 x 4.5m
  • Automatic/Wrong : TileSize=512
  • Fix: Force TileSize=1024
• 4096 x 3m
• 4096 x 5m
• 8192 x 5m (unconfirmed)