fix(cadastre): skip grid-walk for broken quarter geometries (#168) #179
1 changed files with 17 additions and 1 deletions
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@ -46,12 +46,28 @@ def quarter_bbox_3857(db: Session, quarter: str) -> tuple[float, float, float, f
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if not row or row["xmin"] is None:
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logger.warning("quarter_bbox_3857: квартал %s не найден в cad_quarters_geom", quarter)
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return None
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return (
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bbox = (
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float(row["xmin"]),
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float(row["ymin"]),
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float(row["xmax"]),
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float(row["ymax"]),
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)
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# Sanity check: cad_quarters_geom имеет ~72% rows с broken micro-precision
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# geometry (width <0.01m). Это вызывает useless 1px tiles в WMS и 500 errors
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# от NSPD. Реальный квартал ЕКБ имеет width 200-4000м. Skip grid-walk для
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# broken — snapshot phase даст 20 per cat, что норм для MVP.
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width = bbox[2] - bbox[0]
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height = bbox[3] - bbox[1]
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if width < 100 or height < 100 or width > 10000 or height > 10000:
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logger.warning(
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"quarter_bbox_3857: квартал %s broken geom — width=%.2fm height=%.2fm "
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"(expected 100-10000m). Grid-walk skipped, only snapshot phase.",
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quarter,
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width,
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height,
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)
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return None
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return bbox
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def generate_grid_click_points(
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