v18

01_3D-Druck/blender/raci-board.py

@@ -34,9 +34,15 @@ LET_SIZE, LET_DEP   = 11.0, 1.0
 WORD_SIZE, WORD_DEP = 5.0, 0.8
 TOP = BASE_H
 
-HERE = os.path.dirname(bpy.data.filepath) or os.path.dirname(os.path.abspath(__file__))
+def _outdir():
+    d = os.path.dirname(bpy.data.filepath)          # gesetzt, wenn .blend gespeichert
+    if d: return d
+    try: return os.path.dirname(os.path.abspath(__file__))
+    except NameError: return os.path.expanduser("~")  # Fallback: Benutzerordner
+HERE = _outdir()
 STL_OUT = os.path.join(HERE, "raci-board.stl")
 PNG_OUT = os.path.join(HERE, "raci_preview.png")
+print("Ausgabe-Ordner:", HERE)
 
 # ----------------------------- Helfer -----------------------------
 def clear_scene():
@@ -149,27 +155,44 @@ cut_text(base, "INFORMED", DIAL_CX, DIAL_CY-(RING_R+30), 0, WORD_SIZE, WORD_DEP)
 cut_text(base, "ACCOUNTABLE", DIAL_CX, CARD_CY - CARD_BD/2 - 8, 0, WORD_SIZE, WORD_DEP)
 
 base.name = "RACI-Board"
-bpy.ops.object.shade_smooth()
+# Auto-Smooth: flache Flaechen scharf, gefaste Kanten glatt
+try:
+    bpy.ops.object.shade_auto_smooth(angle=math.radians(30))   # Blender >= 4.1
+except Exception:
+    try: bpy.ops.object.shade_flat()
+    except Exception: pass
 
 # ----------------------------- Material -----------------------------
 mat = bpy.data.materials.new("BoardBlue"); mat.use_nodes = True
-bsdf = mat.node_tree.nodes.get("Principled BSDF")
+bsdf = next((n for n in mat.node_tree.nodes if n.type == 'BSDF_PRINCIPLED'), None)
 if bsdf:
-    bsdf.inputs["Base Color"].default_value = (0.10, 0.16, 0.30, 1)
-    try: bsdf.inputs["Roughness"].default_value = 0.55
+    bsdf.inputs["Base Color"].default_value = (0.09, 0.15, 0.30, 1)   # dunkelblau
+    try: bsdf.inputs["Roughness"].default_value = 0.5
     except Exception: pass
-base.data.materials.append(mat)
+base.data.materials.clear(); base.data.materials.append(mat)
 
 # ----------------------------- Vorschau-Render (guarded) -----------------------------
 try:
-    bpy.ops.object.light_add(type='SUN', location=(120, -160, 220))
-    bpy.context.object.data.energy = 3.0
-    bpy.ops.object.camera_add(location=(150, -190, 210))
-    cam = bpy.context.object
-    cam.rotation_euler = (math.radians(58), 0, math.radians(38))
-    bpy.context.scene.camera = cam
     sc = bpy.context.scene
-    sc.render.resolution_x, sc.render.resolution_y = 1400, 1000
+    # Welt etwas aufhellen
+    try:
+        wn = sc.world.node_tree.nodes
+        bg = next((n for n in wn if n.type == 'BACKGROUND'), None)
+        if bg: bg.inputs[1].default_value = 1.2
+    except Exception: pass
+    # Licht
+    bpy.ops.object.light_add(type='SUN', location=(120, -160, 240))
+    bpy.context.object.data.energy = 3.5
+    bpy.ops.object.light_add(type='AREA', location=(-120, -60, 160))
+    bpy.context.object.data.energy = 4000; bpy.context.object.data.size = 200
+    # Kamera blickt aufs Board-Zentrum (Track-To), rahmt das ganze Board
+    bpy.ops.object.empty_add(location=(0, 0, 4)); tgt = bpy.context.object
+    bpy.ops.object.camera_add(location=(175, -220, 210)); cam = bpy.context.object
+    cam.data.lens = 52
+    con = cam.constraints.new('TRACK_TO'); con.target = tgt
+    con.track_axis = 'TRACK_NEGATIVE_Z'; con.up_axis = 'UP_Y'
+    sc.camera = cam
+    sc.render.resolution_x, sc.render.resolution_y = 1500, 1050
     sc.render.filepath = PNG_OUT
     try: sc.render.engine = 'BLENDER_EEVEE_NEXT'
     except Exception: