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Table 6d note 2: roof windows / rooflights use Z_L = 1.0 regardless of
the overshading bucket applied to the rest of the dwelling's glazing.
Before this slice the orchestrator approximated rooflights as average
overshading (Z_L=0.83), driving 000516's (67) lighting 0.18 W (0.54%)
high. All wall windows in our 6-fixture corpus were correctly handled;
000516 is the only fixture with a lodged rooflight (the 1.18 m² NE
"window" showing Z=1.0 in the worksheet §6).
fixture | (67) max |err| before | after
--------+----------------------+--------
000516 | 0.1823 W (0.54%) | <0.005 W (<0.02%)
others | <0.0003 W | <0.0003 W
Changes:
- internal_gains_from_cert gains rooflight_total_area_m2 (default 0).
Rooflights summed at g_L=0.80 (Table 6b DG) × FF=0.7 (Table 6c PVC)
× Z_L=1.0 alongside wall windows (which still use the dwelling's
overshading-derived Z_L).
- SECTION_5_ROOFLIGHT_AREAS_M2 added to every fixture (empty tuple
except 000516 which carries (1.18,)).
- Tolerances on the §5 parametrised e2e test tightened from 2e-1 W
on (67) and 3e-1 W on (73) to 5e-3 W on both — every fixture now
closes to display rounding.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| src/domain | ||
| pyproject.toml | ||
| README.md | ||
domna-domain
Shared domain types — Property, Properties, BaselinePerformance, Plan, PlanPhase, Scenario, ScenarioPhase, ScenarioSnapshot, Recommendation, OptimisedPackage, EpcPropertyData, etc.
Boundary: types only. No persistence, no IO, no business logic. Other packages and services depend on domna-domain; this package depends on nothing internal.
Domain definitions live in ../../CONTEXT.md. New types added here must match the glossary terms.
Layout
src/domain/
├── __init__.py
├── property.py # Property, Properties, PropertyIdentity
├── site_notes.py
├── landlord_overrides.py
├── baseline_performance.py # lodged + effective pair (ADR-0004)
├── plan.py # Plan, PlanPhase, OptimisedPackage
├── scenario.py # Scenario, ScenarioPhase, ScenarioSnapshot (ADR-0005)
├── recommendation.py
├── geospatial.py
├── solar.py
├── anomaly_flags.py
└── ml/
├── __init__.py
├── transform.py # EpcMlTransform (versioned per §8.3)
└── schema.py
When datatypes/epc/domain/ folds in, the EPC schema types move under src/domain/epc/.