Datasets:
File size: 1,033 Bytes
04c77f7 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | {
"schema_id": "ConstructionProgress",
"version": "0.1",
"description": "Detect newly cleared greenfield land, earthworks, or progressing construction sites between before/after Sentinel-2 tiles.",
"class_match": "GF",
"bands_required": ["B02", "B03", "B04", "B08"],
"band_rationale": "RGB for bare earth / construction surfaces; NIR to track vegetation loss on cleared plots.",
"predicate": "Has previously vegetated or greenfield land been cleared, graded, or begun construction between the before and after tiles?",
"fields": {
"severity": {"type": "enum", "values": ["low", "moderate", "high", "extreme"]},
"stage": {"type": "enum", "values": ["clearing", "grading", "foundation", "vertical_build", "mixed"]},
"area_fraction": {"type": "number", "range": [0.0, 1.0]},
"vlm_explanation": {"type": "string"},
"confidence": {"type": "number", "range": [0.0, 1.0]}
},
"negative_output": null,
"negative_instruction": "If no land clearing or construction activity is visible, return null."
}
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