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3 Commits
0ec8955a0b
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23de34503d
| Author | SHA1 | Date | |
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| 23de34503d | |||
| 9370ef881a | |||
| ef1e78de2e |
+15
-11
@@ -33,7 +33,7 @@ def merge_two_dicts(x, y):
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return z
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def get_input_positions(msp: ezdxf.document.Drawing.modelspace):
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"""hole alle Positionen der Eingänge
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"""hole alle Positionen der Eingänge !!Sensor Positionen erst nach Offsett-Addition "Mitte-Mitte"!!
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"""
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allIds = dict()
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SpecialKeys = ["MB", # Separator
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@@ -71,7 +71,7 @@ def get_input_positions(msp: ezdxf.document.Drawing.modelspace):
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pos_midx = pos.x + breite_marker*0.5
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pos_midy = pos.y + hoehe_marker*0.5
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ld["pos"] = (pos_midx, pos_midy)
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ld["pos"] = (round(pos_midx, 1), round(pos_midy, 1))
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# Nur wenn eine ID vorhanden ist, und eine gültige Position existiert
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if id and "pos" in ld and isinstance(ld["pos"], tuple) and len(ld["pos"]) == 2:
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@@ -83,7 +83,7 @@ def get_input_positions(msp: ezdxf.document.Drawing.modelspace):
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def get_subdistributor_positions(msp):
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"""hole alle Positionen der Unterverteiler
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"""hole alle Positionen der Unterverteiler !!UV-Positionen bereits "Mitte-Mitte"!!
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"""
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# # Über alle Texte laufen
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# for text in msp.query('MTEXT'):
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@@ -106,7 +106,7 @@ def get_subdistributor_positions(msp):
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match = re.search(r"UC\w+", text.dxf.text)
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if match:
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nameUC = match.group(0)
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ret[nameUC] = text.dxf.insert
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ret[nameUC] = (round(text.dxf.insert[0],1), round(text.dxf.insert[1],1)) #nur x und y Koordinate in Json schreiben
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return ret
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@@ -125,17 +125,21 @@ def print_polyline(e):
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print("Diese Polyline ist geschlossen.")
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def get_rack_positions(msp):
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"""hole alle Positionen aller Kabelpritschen
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"""
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"""hole alle Positionen aller Kabelpritschen und nummeriere Racks"""
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ret = dict()
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rack_counter = 1 #Zaehler für Rack Nummerierung
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ret = list()
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for e in msp.query('LWPOLYLINE[layer=="PRITSCHE_200-60"]'):
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#print_polyline(e)
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poly = list()
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rack_key = f"Rack_{rack_counter}"
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ret[rack_key] = dict()
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node_counter = 1
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for x, y, start_width, end_width, bulge in e.get_points(): # Gibt Tuple (x, y, start_width, end_width, bulge)
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point = (x,y)
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poly.append(point)
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ret.append(poly)
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node_key = f"Node_{node_counter}"
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ret[rack_key][node_key] = [round(x,1), round(y,1)]
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node_counter +=1
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rack_counter +=1
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# iterate over all entities in modelspace
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# for e in msp:
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# if e.dxftype() == "LINE":
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+96
-17
@@ -3,6 +3,8 @@ import json
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import argparse
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import heapq
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import math
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import matplotlib.pyplot as plt
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import networkx as nx
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# Hilfsfunktionen
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def load_json(filepath):
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@@ -12,25 +14,29 @@ def load_json(filepath):
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def parse_pos(pos_str):
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""" Konvertiert '(x, y)' oder '(x, y, z)' in ein Tuple """
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try:
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return tuple(map(float, pos_str.strip('()').split(',')))
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return tuple(map(float, pos_str.strip('[]').split(',')))
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except Exception:
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raise ValueError(f"Ungültiges Positionsformat: {pos_str}")
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def distance(p1, p2):
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""" Euklidische Distanz in 2D """
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return math.sqrt((p1[0]-p2[0])**2 + (p1[1]-p2[1])**2)
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return math.sqrt((p1[0] - p2[0])**2 + (p1[1] - p2[1])**2)
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def add_edge(graph, node1, node2, dist):
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""" Fügt eine Kante zwischen zwei Knoten im Graphen hinzu """
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""" Fügt eine ungerichtete Kante zwischen zwei Knoten hinzu, aber nur einmal """
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if node1 not in graph:
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graph[node1] = []
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if node2 not in graph:
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graph[node2] = []
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graph[node1].append((node2, dist))
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graph[node2].append((node1, dist))
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# Nur hinzufügen, wenn Kante noch nicht existiert (ungerichtet)
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if not any(n == node2 for n, _ in graph[node1]):
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graph[node1].append((node2, dist))
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if not any(n == node1 for n, _ in graph[node2]):
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graph[node2].append((node1, dist))
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def project_point_on_segment(p, a, b):
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"""Projektion eines Punktes p auf ein Liniensegment a-b"""
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""" Projektion eines Punktes p auf ein Liniensegment a-b """
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ax, ay = a
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bx, by = b
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px, py = p
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@@ -65,6 +71,54 @@ def dijkstra(graph, start):
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return distances
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def print_graph(graph):
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printed = set()
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for node, edges in graph.items():
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for neighbor, dist in edges:
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edge_id = tuple(sorted((node, neighbor)))
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if edge_id not in printed:
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printed.add(edge_id)
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print(f"{edge_id[0]} --> {edge_id[1]} (Distanz: {dist})")
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def visualize_graph(graph, racks):
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G = nx.Graph()
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pos = {}
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for node, edges in graph.items():
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pos[node] = node_to_coords(node, racks)
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for neighbor, distance in edges:
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if not G.has_edge(node, neighbor): # Doppelte Kanten vermeiden
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G.add_edge(node, neighbor, weight=round(distance, 1))
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plt.figure(figsize=(10, 10))
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nx.draw(
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G, pos,
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with_labels=True,
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node_size=100,
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font_size=8,
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node_color='skyblue',
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edge_color='gray'
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)
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edge_labels = nx.get_edge_attributes(G, 'weight')
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nx.draw_networkx_edge_labels(G, pos, edge_labels=edge_labels, font_size=6)
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plt.title("Rack-Graph (aus racks.json)")
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plt.axis("equal")
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plt.tight_layout()
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plt.show()
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def node_to_coords(node_name, racks):
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"""Extrahiert die Koordinaten aus dem Knotennamen wie 'Rack_1_Node_2'"""
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parts = node_name.split("_")
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rack = f"{parts[0]}_{parts[1]}"
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node = f"{parts[2]}_{parts[3]}"
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coords = racks[rack][node]
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return tuple(coords)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Berechne Wege von Sensoren zu Verteilern über Kabeltrassen')
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@@ -83,32 +137,55 @@ if __name__ == "__main__":
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# Einlesen
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sensors = load_json(sensors_path)
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subdists = {k: parse_pos(v) for k, v in load_json(subdist_path).items()}
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subdists = load_json(subdist_path)
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racks = load_json(racks_path)
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# Graph erstellen
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graph = {}
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# Sensoren zu Kabeltrassen verbinden
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for sensor_id, sensor_info in sensors.items(): #über alle Sensoren und alle deren Infos laufen
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sensor_pos = tuple(sensor_info['pos']) #sensor position als tuple übergeben
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for rack_id, rack in racks.items():
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nodes = list(rack.values()) # Liste aller Knoten im Rack
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for i in range(len(nodes) - 1):
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segment_start = tuple(nodes[i])
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segment_end = tuple(nodes[i + 1])
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dist = distance(segment_start, segment_end)
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# Erstelle Kanten zwischen den benachbarten Knoten
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add_edge(graph, f"{rack_id}_Node_{i+1}", f"{rack_id}_Node_{i+2}", dist)
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# Graph in Kommandozeile beschreiben und mittels matplotlib ausgeben
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print("\nGraph basierend auf den Racks (ungerichtet, eindeutige Kanten):")
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print_graph(graph)
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visualize_graph(graph, racks)
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"""# 1. Vom Sensor zum Rack laufen und Knoten einfügen
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for sensor_id, sensor_info in sensors.items():
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sensor_pos = tuple(sensor_info['pos'])
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for rack in racks:
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for segment_start, segment_end in zip(rack[:-1], rack[1:]):
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# Berechne Distanz von Sensor zur Kabeltrasse
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px, py = project_point_on_segment(sensor_pos, segment_start, segment_end)
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dist = distance(sensor_pos, (px, py))
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add_edge(graph, sensor_id, f"rack_{rack}", dist)
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rack_id = f"rack_{rack}"
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# Sensor zum Rack Knoten verbinden
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add_edge(graph, sensor_id, rack_id, dist)
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# Unterverteiler zu Kabeltrassen verbinden
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# 2. Vom Unterverteiler (UV) zum Rack laufen und Knoten einfügen
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for uc_id, uc_pos in subdists.items():
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for rack in racks:
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for segment_start, segment_end in zip(rack[:-1], rack[1:]):
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# Berechne Distanz von UC zur Kabeltrasse
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# Berechne Distanz von UV zur Kabeltrasse
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px, py = project_point_on_segment(uc_pos, segment_start, segment_end)
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dist = distance(uc_pos, (px, py))
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add_edge(graph, uc_id, f"rack_{rack}", dist)
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rack_id = f"rack_{rack}"
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# UV zum Rack Knoten verbinden
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add_edge(graph, uc_id, rack_id, dist)
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# Sensor zu UC verbinden (Routing von Sensoren zu den zugehörigen Unterverteilern)
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# 3. Vom Sensor Knoten zum zugehörigen Unterverteiler Knoten entlang der Racks
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for sensor_id, sensor_info in sensors.items():
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subdist_id = None
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if 'KENNZEICHNUNG' in sensor_info:
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@@ -120,14 +197,16 @@ if __name__ == "__main__":
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# Verbinde den Sensor mit dem zugehörigen Unterverteiler
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sensor_pos = tuple(sensor_info['pos'])
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uc_pos = subdists[subdist_id]
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# Berechne Distanz von Sensor zum Unterverteiler (über Trassen)
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dist = distance(sensor_pos, uc_pos)
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add_edge(graph, sensor_id, subdist_id, dist)
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# Berechnung der kürzesten Wege mit Dijkstra
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# 4. Berechnung der kürzesten Wege mit Dijkstra
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routing_result = {}
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for sensor_id in sensors:
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distances = dijkstra(graph, sensor_id)
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routing_result[sensor_id] = distances
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if args.console:
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print(json.dumps(routing_result, indent=2))
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print(json.dumps(routing_result, indent=2))"""
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