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Optimierung der Bounding Box-Berechnung in dxf2lib.py: Vereinfachung der POLYLINE- und LWPOLYLINE-Logik, um die Berechnung der minimalen und maximalen Koordinaten zu verbessern. Anpassung der Blockerstellung, um die Geometrie korrekt zu verschieben.

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lertlmaier
2025-07-30 11:31:51 +02:00
parent 91fffadc1f
commit 4033fcbd5a
1 changed files with 15 additions and 9 deletions
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lib/dxf2lib.py
+15 -9
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@@ -17,14 +17,16 @@ def get_bbox(entities):
max_x, max_y = float('-inf'), float('-inf') max_x, max_y = float('-inf'), float('-inf')
for e in entities: for e in entities:
try: try:
# Für POLYLINE-Entities: Bounding Box manuell berechnen
if e.dxftype() == "POLYLINE": if e.dxftype() == "POLYLINE":
if hasattr(e, 'vertices') and len(e.vertices) > 0: for vertex in e.vertices:
for vertex in e.vertices: if hasattr(vertex.dxf, 'location'):
if hasattr(vertex, 'dxf') and hasattr(vertex.dxf, 'location'): x, y = vertex.dxf.location.x, vertex.dxf.location.y
x, y = vertex.dxf.location.x, vertex.dxf.location.y min_x, min_y = min(min_x, x), min(min_y, y)
min_x, min_y = min(min_x, x), min(min_y, y) max_x, max_y = max(max_x, x), max(max_y, y)
max_x, max_y = max(max_x, x), max(max_y, y) elif e.dxftype() == "LWPOLYLINE":
for x, y, *_ in e.get_points("xy"):
min_x, min_y = min(min_x, x), min(min_y, y)
max_x, max_y = max(max_x, x), max(max_y, y)
else: else:
# Für andere Entity-Typen: Standard bbox() verwenden # Für andere Entity-Typen: Standard bbox() verwenden
box = e.bbox() box = e.bbox()
@@ -35,8 +37,10 @@ def get_bbox(entities):
except Exception as err: except Exception as err:
print(f" BBox Fehler für {e.dxftype()}: {err}") print(f" BBox Fehler für {e.dxftype()}: {err}")
continue continue
if min_x == float('inf'): if min_x == float('inf'):
return None return None
return Vec2((min_x + max_x) / 2, (min_y + max_y) / 2) return Vec2((min_x + max_x) / 2, (min_y + max_y) / 2)
if __name__ == "__main__": if __name__ == "__main__":
@@ -101,11 +105,13 @@ if __name__ == "__main__":
if name in doc.blocks: if name in doc.blocks:
doc.blocks.delete_block(name) doc.blocks.delete_block(name)
blk = doc.blocks.new(name=name, base_point=center) blk = doc.blocks.new(name=name, base_point=(0,0))
for e in entities: for e in entities:
try: try:
blk.add_entity(e.copy()) cp = e.copy()
cp.translate(-center.x, -center.y, 0) # Geometrie verschieben!
blk.add_entity(cp)
except Exception as err: except Exception as err:
print(f"Fehler in {filename}: {err}") print(f"Fehler in {filename}: {err}")