Farmland: corn fields

[jetelain]

Corn fields are difficult to identity, as they are very rare in mapping (0.2% of farmland).

Options:

• [ ] Hard coded 2 farmland style (1st with ground, 2nd with ground+objects)
• [ ] Extensible farm land style (n styles each one with ground and optional objects)

How to detect:

• [ ] Pure random
• [ ] Satellite color based