100 lines
3.5 KiB
Plaintext
100 lines
3.5 KiB
Plaintext
import os
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import ezdxf
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from ezdxf.math import Vec2
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# Hilfsfunktion für Umgebungsvariablen mit Fallback
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def check_environment_var(env_str: str, fallback: str) -> str:
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out_path = os.environ.get(env_str)
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if out_path:
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return out_path
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print(f"[WARN] Umgebungsvariable {env_str} ist nicht gesetzt oder leer. Verwende '{fallback}'.")
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return fallback
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# Verzeichnisse/Dateien über Umgebungsvariablen oder Fallback
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INPUT_DIR = os.path.join(check_environment_var("PROJECT_WORK", "."), "converted_dxfs")
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OUTPUT_FILE = os.path.join(check_environment_var("PROJECT_WORK", "."), "block_library.dxf")
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doc = ezdxf.new()
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msp = doc.modelspace()
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def get_bbox(entities):
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min_x, min_y = float('inf'), float('inf')
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max_x, max_y = float('-inf'), float('-inf')
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for e in entities:
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try:
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# Für POLYLINE-Entities: Bounding Box manuell berechnen
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if e.dxftype() == "POLYLINE":
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if hasattr(e, 'vertices') and len(e.vertices) > 0:
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for vertex in e.vertices:
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if hasattr(vertex, 'dxf') and hasattr(vertex.dxf, 'location'):
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x, y = vertex.dxf.location.x, vertex.dxf.location.y
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min_x, min_y = min(min_x, x), min(min_y, y)
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max_x, max_y = max(max_x, x), max(max_y, y)
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else:
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# Für andere Entity-Typen: Standard bbox() verwenden
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box = e.bbox()
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if box:
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(x1, y1), (x2, y2) = box.extmin, box.extmax
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min_x, min_y = min(min_x, x1), min(min_y, y1)
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max_x, max_y = max(max_x, x2), max(max_y, y2)
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except Exception as err:
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print(f" BBox Fehler für {e.dxftype()}: {err}")
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continue
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if min_x == float('inf'):
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return None
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return Vec2((min_x + max_x) / 2, (min_y + max_y) / 2)
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x_offset = 0
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y_offset = 0
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blocks_in_row = 0
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for filename in os.listdir(INPUT_DIR):
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if not filename.lower().endswith(".dxf"):
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continue
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filepath = os.path.join(INPUT_DIR, filename)
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name = os.path.splitext(filename)[0]
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try:
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src_doc = ezdxf.readfile(filepath)
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src_msp = src_doc.modelspace()
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entities = list(src_msp)
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allowed_types = {"LINE", "LWPOLYLINE", "POLYLINE", "SPLINE", "CIRCLE", "ARC"}
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filtered_entities = [e for e in entities if e.dxftype() in allowed_types]
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entities = filtered_entities
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except Exception as e:
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print(f"Fehler beim Lesen von {filename}: {e}")
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continue
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center = get_bbox(entities)
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if center is None:
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print(f"Keine gültige Geometrie in {filename}")
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continue
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if name in doc.blocks:
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doc.blocks.delete_block(name)
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blk = doc.blocks.new(name=name, base_point=center)
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for e in entities:
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try:
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blk.add_entity(e.copy())
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except Exception as err:
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print(f"Fehler in {filename}: {err}")
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# Platzierung in Reihen und Spalten
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msp.add_blockref(name, insert=(x_offset, y_offset))
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# Text mit Blocknamen über dem Block
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text_y = y_offset + 150 # 150 Einheiten über dem Block
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msp.add_text(name, dxfattribs={'height': 20, 'insert': (x_offset-150, text_y)})
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blocks_in_row += 1
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x_offset += 350 # Abstand zwischen Blöcken in einer Reihe
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if blocks_in_row == 20:
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blocks_in_row = 0
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x_offset = 0
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y_offset -= 500 # Neue Zeile, nach unten versetzt
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print(f"Bibliotheks-DXF gespeichert: {OUTPUT_FILE}")
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doc.saveas(OUTPUT_FILE)
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