doc ergänzt

lib/set_attributs.py

@@ -49,6 +49,7 @@ import os
 import sys
 
 import ezdxf
+from ezdxf import bbox
 from ezdxf.enums import TextEntityAlignment
 
 
@@ -177,8 +178,7 @@ def build_lookup(boegen, weichen):
 # ATTDEF zu DXF hinzufuegen
 # ---------------------------------------------------------------------------
 
-ATTDEF_START_Y = -50.0
-ATTDEF_SPACING = -30.0
+ATTDEF_SPACING = -8.0   # Delta Y zwischen Attributzeilen
 ATTDEF_HEIGHT = 5.0
 ATTDEF_LAYER = "ATTRIB"
 
@@ -246,13 +246,23 @@ def add_attdefs_to_dxf(dxf_path, output_path, attr_defs, json_entry, sivasnr,
     for e in existing:
         msp.delete_entity(e)
 
+    # Bounding Box der Geometrie berechnen (ohne ATTDEFs)
+    geo_entities = [e for e in msp if e.dxftype() != "ATTDEF"]
+    extents = bbox.extents(geo_entities)
+    if extents.has_data:
+        x_center = (extents.extmin.x + extents.extmax.x) / 2.0
+        y_start = extents.extmin.y + ATTDEF_SPACING
+    else:
+        x_center = 0.0
+        y_start = -50.0
+
     # Alle ATTDEFs sammeln: Config-Attribute + LAYER aus [layer]-Sektion
     all_defs = list(attr_defs)
     if layer_value:
         all_defs.append(("LAYER", f'"{layer_value}"'))
 
-    # ATTDEFs hinzufuegen
-    y_pos = ATTDEF_START_Y
+    # ATTDEFs hinzufuegen (zentriert unter der Geometrie)
+    y_pos = y_start
     count = 0
     for tag, source in all_defs:
         default_value = resolve_value(source, json_entry, sivasnr)
@@ -261,12 +271,12 @@ def add_attdefs_to_dxf(dxf_path, output_path, attr_defs, json_entry, sivasnr,
         msp.add_attdef(
             tag=tag,
             text=default_value,
+            insert=(x_center, y_pos),
             dxfattribs={
                 "layer": ATTDEF_LAYER,
                 "height": ATTDEF_HEIGHT,
-                "insert": (0, y_pos),
                 "prompt": prompt,
-                "flags": 3,  # unsichtbar (1) + konstant (2)
+                "flags": 1,  # unsichtbar (1), nicht konstant -> erzeugt ATTRIB-Entities beim INSERT
             },
         )
         y_pos += ATTDEF_SPACING