iil-nl2cadfw 0.2.1

NL2CAD Framework — IFC/DXF parsing, DIN 277 area calculation, Brandschutz, GAEB and NLP-to-CAD intent classification

nl2cad — Python Library für BIM/CAD-Verarbeitung

Framework-agnostische Python-Library für IFC/DXF-Verarbeitung, DIN 277, Brandschutz und GAEB-Export.

→ achimdehnert.github.io/nl2cad — Landingpage (tenantfähig)

Packages

Package	PyPI	Beschreibung
nl2cad-core		IFC/DXF Parser, Handler-Pipeline, Dataclasses
nl2cad-areas		DIN 277 & WoFlV Flächenrechner
nl2cad-brandschutz		Brandschutz-Analyse, ASR A2.3, DIN 4102
nl2cad-gaeb		GAEB X81–X85 Generator
nl2cad-nlp		Natural Language → CAD Intent & NL2DXF

Quick Start

pip install nl2cad-core nl2cad-areas nl2cad-brandschutz nl2cad-gaeb

Install-Optionen (Extras)

Das Meta-Paket iil-nl2cadfw bündelt alle Sub-Packages und bietet optionale Extras:

Extra	Befehl	Zieht zusätzlich
(keine)	pip install iil-nl2cadfw	Alle 5 Sub-Packages (core, areas, brandschutz, gaeb, nlp)
ifc	pip install "iil-nl2cadfw[ifc]"	nl2cad-core[ifc] — IFC-Toolchain (ifcopenshell)
nlp	pip install "iil-nl2cadfw[nlp]"	openai>=1.0 für NL2DXF/Intent
all	pip install "iil-nl2cadfw[all]"	IFC-Toolchain + openai
dev	pip install "iil-nl2cadfw[dev]"	pytest, pytest-asyncio, pytest-cov, ruff, mypy

from nl2cad.core.parsers import IFCParser
from nl2cad.areas.din277 import DIN277Calculator
from nl2cad.brandschutz.analyzer import BrandschutzAnalyzer
from nl2cad.gaeb.converter import IFCX83Converter

# IFC parsen
parser = IFCParser()
model = parser.parse("gebaeude.ifc")

# DIN 277 berechnen
calc = DIN277Calculator()
result = calc.calculate(model.rooms)
print(f"NUF: {result.nutzungsflaeche_m2:.1f} m²")

# Brandschutz analysieren
analyzer = BrandschutzAnalyzer()
bs_result = analyzer.analyze(model)
for mangel in bs_result.maengel:
    print(f"⚠️  {mangel.beschreibung}")

# GAEB X83 exportieren
converter = IFCX83Converter()
xml_bytes = converter.convert_to_x83(model, projekt_name="Neubau EFH")

Development

# Repo klonen
git clone https://github.com/achimdehnert/nl2cad.git
cd nl2cad

# uv installieren (falls nicht vorhanden)
curl -LsSf https://astral.sh/uv/install.sh | sh

# Workspace setup (alle Packages als editable)
uv sync --all-packages

# Tests
uv run pytest

# Linting
uv run ruff check packages/
uv run mypy packages/

Für Coding Agents

→ Lies zuerst AGENTS.md — enthält alle Konventionen, Package-Grenzen und Workflows.

Architektur

nl2cad-nlp
    └── nl2cad-brandschutz ──┐
    └── nl2cad-gaeb          ├──→ nl2cad-core (ifcopenshell, ezdxf)
    └── nl2cad-areas         │
        └── nl2cad-core ─────┘

License

MIT — siehe LICENSE