299 lines
12 KiB
Python
299 lines
12 KiB
Python
"""
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placeblocks.py
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Erzeugt DXF-Elemente aus einer RuleDesigner-CSV.
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Einfache Formen (z.B. "ILS 2.0 Kreisel") werden direkt konstruiert,
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komplexe per Blockreferenz aus einer DXF-Bibliothek eingefügt.
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"""
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import os
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import sys
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import csv
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import json
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import re
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import argparse
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import configparser
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import ezdxf
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from pathlib import Path
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import math
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# --------------------------------------------------------- CFG-Leser für shapes.cfg
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def get_shape_cfg(teileart, cfg_path):
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parser = configparser.ConfigParser()
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with open(cfg_path, encoding='utf-8') as f:
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parser.read_file(f)
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section = teileart
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if section not in parser:
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return [], []
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# Blöcke
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items = parser.get(section, "items", fallback="").replace('"', '').split(",")
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blocks = [item.strip() for item in items if item.strip()]
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# Offsets (optional)
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offset1 = parser.get(section, "offset_symb1", fallback="0,0")
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offset2 = parser.get(section, "offset_symb2", fallback="0,0")
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offsets = []
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for off in (offset1, offset2):
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try:
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ox, oy = [float(x) for x in off.split(",")]
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offsets.append((ox, oy))
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except Exception:
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offsets.append((0.0, 0.0))
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return blocks, offsets
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# --------------------------------------------------------- Konstante Parameter
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ATTR_TAG = "TeileId" # Attributtag im Block
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RADIUS = 400 # Radius der Kreiselkreise (mm)
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# --------------------------------------------------------- Hilfsfunktionen
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def check_environment_var(env_str: str) -> Path:
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"""Liefert Path aus Umgebungsvariable oder beendet mit Fehlermeldung."""
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out_path = os.environ.get(env_str)
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if out_path:
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return Path(out_path)
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print(f"Umgebungsvariable {env_str} ist nicht gesetzt oder leer.")
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sys.exit(1)
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def extract_coords(planquadrat: str) -> tuple[float, float]:
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"""Extrahiert X/Y Koordinaten aus PlanquadratString."""
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m = re.search(r"X:(\d+[\.,]?\d*)\s+Y:(\d+[\.,]?\d*)", planquadrat)
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if not m:
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raise ValueError(f"Koordinaten nicht gefunden in: '{planquadrat}'")
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x, y = m.groups()
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return float(x.replace(",", ".")), float(y.replace(",", "."))
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def parse_merkmale(merkmale_str: str) -> dict:
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"""Parst Merkmale-JSON-String in dict; bei Fehler → leeres Dict."""
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try:
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return json.loads(merkmale_str)
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except json.JSONDecodeError:
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return {}
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def import_block(block_name: str, from_doc, to_doc) -> None:
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"""Importiert Blockdefinition block_name von from_doc nach to_doc."""
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if block_name in to_doc.blocks:
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return
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if block_name not in from_doc.blocks:
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raise ValueError(f"Block '{block_name}' nicht in Bibliothek gefunden.")
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src = from_doc.blocks[block_name]
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tgt = to_doc.blocks.new(name=block_name)
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for ent in src:
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tgt.add_entity(ent.copy())
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def draw_kreisel_lines(msp, pos1, pos2):
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"""Zeichnet tangentiale Linien zwischen zwei Kreiselblöcken, unabhängig vom Winkel."""
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x1, y1 = pos1
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x2, y2 = pos2
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# Verbindungsvektor
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dx = x2 - x1
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dy = y2 - y1
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# Länge
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length = math.hypot(dx, dy)
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if length == 0:
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return # keine Linie bei identischen Punkten
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# Normalenvektor (senkrecht, normiert, Länge = RADIUS)
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nx = -dy / length * RADIUS
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ny = dx / length * RADIUS
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# Tangentialpunkte
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p1a = (x1 + nx, y1 + ny)
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p1b = (x1 - nx, y1 - ny)
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p2a = (x2 + nx, y2 + ny)
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p2b = (x2 - nx, y2 - ny)
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# Linien zeichnen
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msp.add_line(p1a, p2a)
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msp.add_line(p1b, p2b)
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def berechne_hoehe(csv_path):
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y_werte = []
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with csv_path.open(newline="", encoding="utf-8") as fh:
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reader = csv.DictReader(fh, delimiter=';')
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for row in reader:
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planquadrat = row.get("Planquadrat", "")
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try:
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_, y = extract_coords(planquadrat)
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y_werte.append(y)
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except Exception:
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continue
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if not y_werte:
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raise ValueError("Keine Y-Koordinaten in der CSV gefunden!")
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return max(y_werte)
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def transform_coords(x: float, y: float, height: float) -> tuple[float, float]:
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"""Transformiert Bildschirmkoordinaten (0,0 oben links) ins DXF-KoSy (0,0 unten links)."""
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return x, height - y
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def handle_ils_2_0_kreisel(msp, teileid, merkmale, x, y, doc, lib_doc, verbose, blocks, offsets):
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# blocks: [block1, block2], offsets: [(ox1, oy1), (ox2, oy2)]
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abstand_m = merkmale.get(
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"Abstand (Kreiselachse A - Kreiselachse) in Meter", "20"
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).replace(",", ".")
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try:
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abstand = float(abstand_m) * 1000 # Meter → mm
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except ValueError:
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abstand = 10000 # Fallback 10 m
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# Drehung (Winkel in Grad, Standard 0) aus Merkmale
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try:
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winkel = float(merkmale.get("Drehung", 0))
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except (ValueError, TypeError):
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winkel = 0.0
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winkel_rad = math.radians(winkel)
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# Die Koordinaten (x, y) sind die Mitte zwischen den beiden Blöcken (bereits transformiert)
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halbabstand = abstand / 2
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dx = halbabstand * math.cos(winkel_rad)
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dy = halbabstand * math.sin(winkel_rad)
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pos1 = (x - dx + offsets[0][0], y - dy + offsets[0][1])
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pos2 = (x + dx + offsets[1][0], y + dy + offsets[1][1])
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positions = [pos1, pos2]
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for blockname, pos in zip(blocks, positions):
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import_block(blockname, lib_doc, doc)
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bref = msp.add_blockref(blockname, pos)
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bref.add_auto_attribs({ATTR_TAG: teileid})
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if verbose:
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print(f"[INFO] Block '{blockname}' (Kreisel) → {teileid} "
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f"({pos[0]:.1f}, {pos[1]:.1f})")
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# Linien zeichnen
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draw_kreisel_lines(msp, pos1, pos2)
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def handle_standard(msp, blocknames, teileid, x, y, lib_doc, doc, verbose):
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for blockname in blocknames:
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import_block(blockname, lib_doc, doc)
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bref = msp.add_blockref(blockname, (x, y))
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bref.add_auto_attribs({ATTR_TAG: teileid})
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if verbose:
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print(f"[INFO] Block '{blockname}' (Standard) → {teileid} "
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f"({x:.1f}, {y:.1f})")
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def handle_ils_2_0_gefaellestrecke(msp, teileid, merkmale, x, y, doc, lib_doc, verbose, blocks, offsets):
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# blocks: [block1, block2], offsets: [(ox1, oy1), (ox2, oy2)]
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# Länge der Strecke (in Meter, Standard 10)
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laenge_m = merkmale.get("Länge in Meter", "10").replace(",", ".")
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try:
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laenge = float(laenge_m) * 1000 # Meter → mm
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except ValueError:
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laenge = 10000 # Fallback 10 m
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# Drehung (Winkel in Grad, Standard 0)
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try:
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winkel = float(merkmale.get("Drehung", 0))
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except (ValueError, TypeError):
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winkel = 0.0
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winkel_rad = math.radians(winkel)
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# Die Koordinaten (x, y) sind die Mitte der Strecke
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halbe_laenge = laenge / 2
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dx = halbe_laenge * math.cos(winkel_rad)
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dy = halbe_laenge * math.sin(winkel_rad)
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start = (x - dx, y - dy)
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ende = (x + dx, y + dy)
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msp.add_line(start, ende)
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if verbose:
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print(f"[INFO] Gefällestrecke → {teileid} Linie von ({start[0]:.1f}, {start[1]:.1f}) nach ({ende[0]:.1f}, {ende[1]:.1f})")
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# Blöcke am Anfang und Ende der Strecke aus der CFG platzieren
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if len(blocks) >= 2 and lib_doc is not None:
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block_start = blocks[0]
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block_end = blocks[1]
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import_block(block_start, lib_doc, doc)
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bref1 = msp.add_blockref(block_start, (start[0] + offsets[0][0], start[1] + offsets[0][1]))
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bref1.add_auto_attribs({ATTR_TAG: teileid})
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import_block(block_end, lib_doc, doc)
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bref2 = msp.add_blockref(block_end, (ende[0] + offsets[1][0], ende[1] + offsets[1][1]))
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bref2.add_auto_attribs({ATTR_TAG: teileid})
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if verbose:
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print(f"[INFO] Block '{block_start}' an Startpunkt {start} und Block '{block_end}' an Endpunkt {ende} für {teileid}")
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elif lib_doc is None:
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print("[WARN] lib_doc nicht verfügbar, Blöcke werden nicht eingefügt.")
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def normalize_func_name(name):
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return (
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name.replace('ä', 'ae')
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.replace('ö', 'oe')
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.replace('ü', 'ue')
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.replace('ß', 'ss')
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.replace(' ', '_')
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.replace('.', '_')
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.lower()
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)
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# --------------------------------------------------------- Hauptfunktion
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def main(csv_path: Path, lib_path: Path, cfg_path: Path,
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output_path: Path, verbose=False):
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# Bibliothek nur laden, wenn Datei existiert
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lib_doc = None
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if lib_path.exists():
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try:
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lib_doc = ezdxf.readfile(lib_path)
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if verbose:
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print(f"[INFO] Bibliothek geladen: {lib_path}")
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except Exception as e:
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sys.exit(f"Fehler beim Lesen der Bibliothek '{lib_path}': {e}")
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else:
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print(f"[INFO] Keine Bibliothek gefunden unter {lib_path}. "
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"Komplexe Formen werden übersprungen.")
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# Neue Zielzeichnung (DXF R2018)
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doc = ezdxf.new(dxfversion="R2018")
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msp = doc.modelspace()
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# CSV einlesen
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# Höhe bestimmen für Koordinaten-Transformation
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height = berechne_hoehe(csv_path)
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# Verarbeitung der Blöcke
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with csv_path.open(newline="", encoding="utf-8") as fh:
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reader = csv.DictReader(fh, delimiter=';')
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for row in reader:
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teileart = row["TeileArt"].strip()
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teileid = row["TeileId"].strip()
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planquadrat = row["Planquadrat"]
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merkmale = parse_merkmale(row.get("Merkmale", ""))
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try:
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x_screen, y_screen = extract_coords(planquadrat)
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x, y = transform_coords(x_screen, y_screen, height)
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except Exception as e:
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print(f"[WARN] {teileid}: {e}")
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continue
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# Funktions-Dispatch: handle_<teileart> (mit _ statt Leerzeichen und Punkten, alles klein)
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func_name = f'handle_{normalize_func_name(teileart)}'
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handler = globals().get(func_name)
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blocks, offsets = get_shape_cfg(teileart, cfg_path)
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if handler:
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handler(msp, teileid, merkmale, x, y, doc, lib_doc, verbose, blocks, offsets)
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else:
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print(f"[WARN] Keine Routine für TeileArt '{teileart}'. Überspringe '{teileid}'.")
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continue
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# DXF speichern
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doc.saveas(output_path)
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print(f"[DONE] DXF gespeichert unter: {output_path}")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="Plaziert Anlagenkomponenten aus RuleDesigner CSV.")
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parser.add_argument("-f", "--file", required=True, help="CSV-Datei (Name oder Pfad)", metavar="input.csv")
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parser.add_argument("-c", "--config", help="CFG mit einfachen Formen", metavar="shapes.cfg")
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parser.add_argument("-l", "--lib", help="DXF-Bibliothek mit Blöcken", metavar="bibliothek.dxf")
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parser.add_argument("-o", "--output", help="Ziel-DXF (Standard: PROJECT_WORK/anlage.dxf)", metavar="anlage.dxf")
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parser.add_argument("-v", "--verbose", action="store_true", help="mehr Ausgaben anzeigen")
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args = parser.parse_args()
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# Verzeichnisse aus Umgebungsvariablen
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data_dir = check_environment_var("PROJECT_DATA")
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work_dir = check_environment_var("PROJECT_WORK")
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config_dir = check_environment_var("PROJECT_CFG")
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# CSV‑Pfad: nur Dateiname → im WORK‑Ordner suchen
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if os.sep not in args.file and "/" not in args.file:
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csv_path = work_dir / args.file
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else:
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csv_path = Path(args.file)
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cfg_path = Path(args.config) if args.config else config_dir / "shapes.cfg"
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lib_path = Path(args.lib) if args.lib else data_dir / "blocks.dxf"
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output_path = Path(args.output) if args.output else (work_dir / f"{csv_path.stem}.dxf")
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main(csv_path, lib_path, cfg_path, output_path, verbose=args.verbose)
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