35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
"""Generative Design — geometry placement.
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Stage 1a: Shapely-based polygon parsing + normative offsets (buffer).
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Stage 1b: greedy filling of rectangular MKD with 3 strategies. STRtree for collisions.
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Performance target: <=10s per variant; fallback acceptance 15s.
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"""
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from app.schemas.concept import ConceptInput, ConceptVariant, FinancialModel, TEAP
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def generate_stub(payload: ConceptInput) -> list[ConceptVariant]:
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"""Placeholder returning 3 empty variants. Replaced in Stage 1b."""
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empty_buildings: dict = {"type": "FeatureCollection", "features": []}
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empty_teap = TEAP(
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built_area_sqm=0.0,
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total_floor_area_sqm=0.0,
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residential_area_sqm=0.0,
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apartments_count=0,
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density=0.0,
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parking_spaces=0,
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)
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empty_financial = FinancialModel(
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revenue_rub=0.0, cost_rub=0.0, gross_margin_rub=0.0, irr=0.0
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)
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strategies: list[ConceptVariant] = []
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for strategy in ("max_area", "max_insolation", "balanced"):
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strategies.append(
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ConceptVariant(
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strategy=strategy, # type: ignore[arg-type]
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buildings_geojson=empty_buildings,
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teap=empty_teap,
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financial=empty_financial,
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)
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)
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return strategies
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