diff --git a/Campusnetz.db b/Campusnetz.db
index 687804b..2595cf4 100644
Binary files a/Campusnetz.db and b/Campusnetz.db differ
diff --git a/Campusnetz.ipynb b/Campusnetz.ipynb
index 46c6400..9666cd6 100644
--- a/Campusnetz.ipynb
+++ b/Campusnetz.ipynb
@@ -6,14 +6,15 @@
    "metadata": {
     "collapsed": true,
     "ExecuteTime": {
-     "end_time": "2025-12-05T16:08:32.972973Z",
-     "start_time": "2025-12-05T16:08:32.962798Z"
+     "end_time": "2025-12-08T16:59:58.933024Z",
+     "start_time": "2025-12-08T16:59:58.578335Z"
     }
    },
    "source": [
     "# Hier werden alle verwendeten Pythonmodule importiert\n",
     "import Datenbank\n",
-    "import Import"
+    "import Import\n",
+    "import importlib"
    ],
    "outputs": [],
    "execution_count": 1
@@ -21,18 +22,20 @@
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-12-05T16:08:32.981718Z",
-     "start_time": "2025-12-05T16:08:32.978622Z"
+     "end_time": "2025-12-08T17:00:01.134916Z",
+     "start_time": "2025-12-08T17:00:01.110846Z"
     }
    },
    "cell_type": "code",
    "source": [
+    "importlib.reload(Import)\n",
     "# Anlegen der Datenbank, wenn nicht vorhanden\n",
     "pfad_datenbank = r\"Campusnetz.db\"\n",
     "Datenbank.Datenbank_anlegen(pfad_datenbank)\n",
     "\n",
     "# Import vervollständigen\n",
-    "imp = Import.Import(pfad_datenbank)"
+    "imp = Import.Import(pfad_datenbank)\n",
+    "db_zugriff = Datenbank.Datenbankzugriff(pfad_datenbank)"
    ],
    "id": "82d514cd426db78b",
    "outputs": [],
@@ -41,15 +44,15 @@
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-12-05T16:08:32.992364Z",
-     "start_time": "2025-12-05T16:08:32.987964Z"
+     "end_time": "2025-12-08T17:00:02.698814Z",
+     "start_time": "2025-12-08T17:00:02.678346Z"
     }
    },
    "cell_type": "code",
    "source": [
     "# Import der Koordinatendatei(en) vom Tachymeter\n",
     "pfad_datei = r\"Daten\\campusnetz_koordinaten_25_11.csv\"\n",
-    "imp.import_koordinaten_lh_tachymeter(pfad_datei)\n"
+    "imp.import_koordinaten_lh_tachymeter(pfad_datei)"
    ],
    "id": "d3bce3991a8962dc",
    "outputs": [
@@ -57,11 +60,196 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Der Import wurde abgebrochen, weil mindestens ein Teil der Punktnummern aus der Datei Daten\\campusnetz_koordinaten_25_11.csv bereits in der Datenbank vorhanden ist. Bitte in der Datei ändern und Import wiederholen.\n"
+      "Der Import der Näherungskoordinaten wurde erfolgreich abgeschlossen\n"
      ]
     }
    ],
    "execution_count": 3
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-12-08T17:00:13.157273Z",
+     "start_time": "2025-12-08T17:00:13.147245Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "importlib.reload(Datenbank)\n",
+    "db_zugriff = Datenbank.Datenbankzugriff(pfad_datenbank)\n",
+    "# Transformationen in ETRS89 / DREF91 Realisierung 2025\n",
+    "print(db_zugriff.get_koordinaten(\"naeherung_lh\"))"
+   ],
+   "id": "196ff0c8f8b5aea1",
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[{'10009': Matrix([\n",
+      "[1000.0],\n",
+      "[2000.0],\n",
+      "[ 100.0]])}, {'10006': Matrix([\n",
+      "[   1000.0],\n",
+      "[2032.6863],\n",
+      "[  99.5825]])}, {'10010': Matrix([\n",
+      "[1011.8143],\n",
+      "[1973.3252],\n",
+      "[  99.9259]])}, {'10018': Matrix([\n",
+      "[1008.5759],\n",
+      "[ 1942.762],\n",
+      "[ 100.2553]])}, {'10008': Matrix([\n",
+      "[979.7022],\n",
+      "[1991.401],\n",
+      "[  99.732]])}, {'10005': Matrix([\n",
+      "[ 966.5154],\n",
+      "[2014.6496],\n",
+      "[    99.72]])}, {'10003': Matrix([\n",
+      "[ 908.4312],\n",
+      "[1996.1248],\n",
+      "[  99.7403]])}, {'10004': Matrix([\n",
+      "[ 954.1536],\n",
+      "[2021.6822],\n",
+      "[  99.4916]])}, {'10007': Matrix([\n",
+      "[ 921.7481],\n",
+      "[1973.6201],\n",
+      "[  99.9176]])}, {'10001': Matrix([\n",
+      "[ 833.9439],\n",
+      "[1978.3737],\n",
+      "[  99.8946]])}, {'10002': Matrix([\n",
+      "[ 875.9684],\n",
+      "[1998.5174],\n",
+      "[  99.5867]])}, {'100016': Matrix([\n",
+      "[ 928.2783],\n",
+      "[1944.0082],\n",
+      "[ 100.0459]])}, {'10011': Matrix([\n",
+      "[ 908.4308],\n",
+      "[1996.1277],\n",
+      "[  99.7822]])}, {'10011a': Matrix([\n",
+      "[844.9567],\n",
+      "[1891.157],\n",
+      "[ 99.8117]])}, {'10026': Matrix([\n",
+      "[1020.0059],\n",
+      "[1913.8703],\n",
+      "[ 100.3059]])}, {'10027': Matrix([\n",
+      "[1016.9451],\n",
+      "[1866.2914],\n",
+      "[ 100.3251]])}, {'10043': Matrix([\n",
+      "[1031.2077],\n",
+      "[1822.4739],\n",
+      "[ 100.3035]])}, {'10044': Matrix([\n",
+      "[ 1025.976],\n",
+      "[1782.4835],\n",
+      "[ 100.5461]])}, {'10021': Matrix([\n",
+      "[ 992.7607],\n",
+      "[1904.8854],\n",
+      "[ 100.3533]])}, {'10020': Matrix([\n",
+      "[ 984.6187],\n",
+      "[1903.3601],\n",
+      "[ 100.3423]])}, {'10024': Matrix([\n",
+      "[ 997.4831],\n",
+      "[1881.7862],\n",
+      "[ 100.3032]])}, {'10025': Matrix([\n",
+      "[996.3241],\n",
+      "[1866.844],\n",
+      "[100.4102]])}, {'10022': Matrix([\n",
+      "[990.0679],\n",
+      "[1896.536],\n",
+      "[100.2194]])}, {'10023': Matrix([\n",
+      "[ 987.3223],\n",
+      "[1889.8762],\n",
+      "[  100.343]])}, {'10019': Matrix([\n",
+      "[ 962.6387],\n",
+      "[1902.3565],\n",
+      "[  99.9772]])}, {'10033': Matrix([\n",
+      "[ 964.0191],\n",
+      "[1860.8023],\n",
+      "[  99.8551]])}, {'10017': Matrix([\n",
+      "[ 931.6761],\n",
+      "[1900.9945],\n",
+      "[  99.9572]])}, {'10052': Matrix([\n",
+      "[ 1037.875],\n",
+      "[1757.2999],\n",
+      "[ 100.2737]])}, {'10042': Matrix([\n",
+      "[1017.3489],\n",
+      "[1803.0742],\n",
+      "[ 100.3441]])}, {'10053': Matrix([\n",
+      "[1033.3758],\n",
+      "[1723.4258],\n",
+      "[ 100.2774]])}, {'10037': Matrix([\n",
+      "[ 966.2253],\n",
+      "[1774.2051],\n",
+      "[  99.9957]])}, {'10040': Matrix([\n",
+      "[ 990.8832],\n",
+      "[1780.9678],\n",
+      "[ 100.1677]])}, {'10041': Matrix([\n",
+      "[993.2769],\n",
+      "[1812.031],\n",
+      "[100.4749]])}, {'10038': Matrix([\n",
+      "[ 958.1899],\n",
+      "[1804.7135],\n",
+      "[ 100.0741]])}, {'10051': Matrix([\n",
+      "[1008.9811],\n",
+      "[1750.1838],\n",
+      "[  100.288]])}, {'10036': Matrix([\n",
+      "[ 948.6403],\n",
+      "[1763.5807],\n",
+      "[ 100.0063]])}, {'10035': Matrix([\n",
+      "[ 910.1265],\n",
+      "[1768.0099],\n",
+      "[ 100.0781]])}, {'10039': Matrix([\n",
+      "[ 960.3884],\n",
+      "[1820.0543],\n",
+      "[ 100.0983]])}, {'10059': Matrix([\n",
+      "[1049.2587],\n",
+      "[1662.5451],\n",
+      "[ 100.0148]])}, {'10050': Matrix([\n",
+      "[1010.0246],\n",
+      "[1726.2445],\n",
+      "[ 100.1493]])}, {'10049': Matrix([\n",
+      "[ 984.7667],\n",
+      "[1714.5709],\n",
+      "[ 100.0101]])}, {'100': Matrix([\n",
+      "[ 957.3912],\n",
+      "[1716.2864],\n",
+      "[  99.7777]])}, {'10013': Matrix([\n",
+      "[900.9076],\n",
+      "[1902.873],\n",
+      "[ 99.7911]])}, {'10028': Matrix([\n",
+      "[ 853.9608],\n",
+      "[1815.7417],\n",
+      "[  99.7793]])}, {'10012': Matrix([\n",
+      "[ 895.3032],\n",
+      "[1924.1523],\n",
+      "[  99.8758]])}, {'10014': Matrix([\n",
+      "[ 913.9706],\n",
+      "[1918.7731],\n",
+      "[  99.8872]])}, {'10031': Matrix([\n",
+      "[ 937.1557],\n",
+      "[1855.2805],\n",
+      "[  99.8479]])}, {'10015': Matrix([\n",
+      "[ 912.5157],\n",
+      "[1937.6471],\n",
+      "[  99.9834]])}, {'10032': Matrix([\n",
+      "[ 954.6732],\n",
+      "[1845.9356],\n",
+      "[   99.724]])}, {'10030': Matrix([\n",
+      "[ 908.4749],\n",
+      "[1828.8008],\n",
+      "[  99.5581]])}, {'10029': Matrix([\n",
+      "[ 909.3343],\n",
+      "[1814.8767],\n",
+      "[  99.5486]])}, {'10034': Matrix([\n",
+      "[ 860.2357],\n",
+      "[1758.9282],\n",
+      "[   99.737]])}, {'10045': Matrix([\n",
+      "[867.2324],\n",
+      "[1705.063],\n",
+      "[ 99.7214]])}]\n"
+     ]
+    }
+   ],
+   "execution_count": 4
   }
  ],
  "metadata": {
diff --git a/Datenbank.py b/Datenbank.py
index c9ddc24..b6f9f70 100644
--- a/Datenbank.py
+++ b/Datenbank.py
@@ -1,5 +1,6 @@
 import os
 import sqlite3
+import sympy as sp
 
 
 class Datenbank_anlegen:
@@ -25,4 +26,27 @@ class Datenbank_anlegen:
                            """);
             con.commit()
             cursor.close()
-            con.close()
\ No newline at end of file
+            con.close()
+
+class Datenbankzugriff:
+    def __init__(self, pfad_datenbank):
+        self.pfad_datenbank = pfad_datenbank
+
+    def get_koordinaten(self, koordinatenart, ausgabeart = "Vektoren"):
+        con = sqlite3.connect(self.pfad_datenbank)
+        cursor = con.cursor()
+        if koordinatenart == "naeherung_lh":
+            values = "punktnummer, naeherungx_lh, naeherungy_lh, naeherungz_lh"
+
+        liste_koordinaten = cursor.execute(f"""
+        SELECT {values} FROM Netzpunkte;
+        """).fetchall()
+        cursor.close()
+        con.close()
+
+        if ausgabeart == "Vektoren":
+            liste_koordinaten_vektoren = []
+            for koordinate in liste_koordinaten:
+                liste_koordinaten_vektoren.append({koordinate[0]: sp.Matrix([float(koordinate[1]), float(koordinate[2]), float(koordinate[3])])})
+            liste_koordinaten = liste_koordinaten_vektoren
+        return liste_koordinaten
\ No newline at end of file
diff --git a/Import.py b/Import.py
index 6b1a692..1a33a7c 100644
--- a/Import.py
+++ b/Import.py
@@ -6,6 +6,10 @@ class Import:
         self.pfad_datenbank = pfad_datenbank
         pass
 
+    def string_to_float(self, zahl):
+        zahl = zahl.replace(',', '.')
+        return float(zahl)
+
     def import_koordinaten_lh_tachymeter(self, pfad_datei):
         liste_punktnummern = []
         liste_punktnummern_vorher = []
@@ -45,7 +49,7 @@ class Import:
                 for row in r:
                     cursor.execute(
                         "INSERT INTO Netzpunkte (punktnummer, naeherungx_lh, naeherungy_lh, naeherungz_lh) VALUES (?, ?, ?, ?)",
-                        (row[0], row[1], row[2], row[3]))
+                        (row[0], self.string_to_float(row[1]), self.string_to_float(row[2]), self.string_to_float(row[3])))
 
             con.commit()
             cursor.close()